ML20215N330

Rev 1 to General Const Spec G-38, Installing Insulated Cables Rated Up to 15,000 Volts,Inclusive

ML20215N330
Person / Time
Site:	Sequoyah
Issue date:	10/22/1975
From:	Chandler F, Hodges R, Springer J TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20215N324	List: ML20215N323 ML20215N330 ML20215N333 ML20215N337 ML20215N338 ML20215N340 ML20215N351 ML20215N355 ML20215N359 ML20215N362 ML20215N370 ML20215N379 ML20215N383 ML20215N384 ML20215N390 ML20215N393 ML20215N395 ML20215N400 ML20215N407
References
G-38, NUDOCS 8611050247
Download: ML20215N330 (33)

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TENNESSEE VALLEY AUTHORITY f DIVISION OF ENGINEERING DESIGN /

r SEQUOYAH IMCLEAR PLAI7f , )

A11D  ;

ALL FUTURE IiUCLEAR PLAITIS GENERAL CONSTRUCTION SPECIFICATION -

N O. G-38 FOR nsTALLETG HISUIA.TED CABLES RATED UP TO 15,000 VOL'IS HTCLUSIVE t,;

REVISION R1 R2 R3 R4 .R5 Date . July 25. 1973 10/22/75 SPONSORED *J.L.Sprih$er l SUBMITTED

• R. ft. Hodges III n CONCURRED RECOMMENDED (Sponsor Branch Chief) *F. W. Chnndler Nf((f,s ,

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SPEC. CONTR OL

• P. L. Duncan

, W M--

. APPROVED

, (Dir.of Construction)

• Horace H. Mull M//hy APPROVED (Dir. of Eng. Dsgn.) *M. N. Sprouse" ,

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• Original signed by'

• • For Director of Engineering Design 8611030247 861031 PDR P

ADOCK 05000327 TVA 1057 _

, _ _ _ , . . _ _ __ __ , _P DR _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ , _ _ _ . . _ _ _ _ _ . _ _ _ _

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. REVISION LOG

- CONSTRUCTION SPECIFICATION FOR INSTALLING INSULATED CABLES

Title:

RATED UP TO 15,000 VOL'IS INCLUSIVE G-38

"';';.'*" DESCRIPTION OF REVISION Ap ed 1 Complete revision of this specification to (1) conform to the 10/22/75 format established by DED-EP 3 0l+, (2) include the material sent to the Sequoyah and Watta Bar DEC project manngers by memorandums since original issue of G-38, and (3) include the requirements of conmitments TVA has made to NRC in safety analysis reports.

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l 11 l TVA 10534 (DED 9-73)

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CONSTRUCTION SPECIFICATION. FOR INSTALLDIG INSULATED CABLES RATED UP TO 15,000 VOLT 3 INCLUSIVE G-38

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. This specification supersedes General Construction Specification No. G-4 for Sequoyah Nuclear Plant and all future nuclear plants.

- This specification'is' intended to'be a geheral guide; and,'therefore, it~

does not define installation procedures for all possible configurations.

Special instructions will be issued on design documents of the respective design project for areas where environmental or other special requirements prevent the use of stan<1a d cable and terminala.

1 The materials used in the construction of nuclear plants (and other projects) are conti==11y reviewed by the TVA Hazards Control Branch

• fbr their acceptability to the health and safety of the personnel. ,

Should a material specified herein become restricted from use, then its equivalent that is approved by the Hazards Control Branch shall be used.

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- TVA 10535 (DED 5_74)_ __ _ ._ _ _ . , . _ . _ _ _ _ _ _ _ _ .

E' CONSTRUCTION SPECIFICATION IDR INSTALLING INSULATED CABLES RATED UP TO 15,000 VOLTS IUCLUSIVE G-38 TABLE OF C01TfEITfS Pagte

. Revision Log . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Preface ............................. iii 1.0 GENERAL . . . . . . . . . . . . . . . . . . . . .'. . . . . . 1-1 1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . .- . 1-1 1.2 Drawings . . . . . . . . . . . . . . . . . . . . . . . . 1-1

'13 Engineer . . . . . . . . . . . . . . . . . ....... 1-1 1.4 Definitions ...................... 1-1 -

2.0 MATERIALS . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.1 Insulated Cables . . . . . . . . . . . . . . . . . . . . 2-1

} 2.2 Cable Accessories ................... 2-1 2.2.1 Terminals and Butt Solices . . . . . . . . . . . . . . 2-1

, 2.2.2 Terminating Kits . . . . . . . . . . . . . . . . . . . 2-4 2.2 3 splice and Termination Insulation .......... -

2-4 2.2.4 Lighting System Branch Circuit Terminations and Splices . . . . . . . . . . . 2-4 2.2 5 Wire Strinners . . . . . . . . . . . . . . . . . . . . 2-5 2.2.6 Cable Bending Equipment ............... 2-5 2.2 7 Cable Lubricants . . . . . . . . . . . . . . . . . . . 2-5 2.2.8 Cable Ties . . . . . . . . . . . . . . . . . . . . . . 2-6 2.2 9 Identification Tags and Markers ........... 2-6 30 INSTALLATION ........................ 3-1 31 Cable Selection .................... 3-1 32 Cable Pulling ..................... 3-1 3 2.1 In Cable Tray or Conduit . . ............ 3-1 3 2.1.1' Preocration for Pulling .............. 3-1 3 2.1.2 Mmnm Pulling Force ............... 3-2 iv TVA 10535 (DED 5 74)

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E' CONSTRUCTION SPECIFICATION FOR DETALLEIG HEULATED CABLES RATED UP '1D 15,000 vaLTS ncLUSIVE o-38 TABLE OF CONTENTS (Continued)

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3 2.2 In Earth . . . . . . . . . . . . . . . . . . . . . . . 3-2 3 3 wire strinning . . . . . . . . . . . . . . . . . . . . . 3-3 3.4 Termination and splicing . . . . . . . . .  : . . . . . . 3-3 3.4.1 Themoniastic or Thermosetting-Tyne Insulations . . . 3-3 3.4.2 Rubber or Rubber-Like Insulations . . . . . . . . . . 3-6 3.4.3 Coaxial and/or Triaxial . . . . . . . . . . . . . . . 3-6 3.4.4 . Signal . . . . . . . . . . . . . . . . . . . . . . . . 3-6 .,

35 Cable Temination Torque values . . . . . . . . . . . . 3-6 3 5.1 Terminations at standard Molded Terminal Blocks

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. . . 3-6 352 Terminations at Motors, Panels, Bus, Etc. . . . . . . . 3-7 353 Terminations at Molded-Case Circuit Breakers and Other Equipnent Having Pressure Wire Connector Terminnla . . . . . . . 3-8 3 5.4 special Configurations . . . . . . . . . . . . . . . . 3-8 3.6 Identification Tags and Markers . . . . . . . . . . . . 3-9

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3.6.1 Cable ..'...................... 3-9 3.6.2 ~ Terminal Blocks an.1 strips . . . . . . . . . . . . . . 3-10 3.6.3 Cable Trays ..................... 3-10 4.0 CONSTRUCTION QUALITY COITIROL ................ 4-1 4.1 Tool Maintenance . . . . . . . . . . . . . . . . . . . . 4-1 4.2 Documentation ..................... 4-1 50 REFEREDCES ......................... 5-1 6.0 ATTACIMITS . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 V

TVA 10535 (DED 5 74)

CONSTRUCTION SPECIFICATION ITR INSTALLING INSULATED CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 1.0 GENERAL 1.1 Scope It is the purpose of this specification to prescribe materials and procedures for installation, termination, splicing, and marking of insulated cables rated up to 15,000 volta inclusive.

This specification is for Sequoyah Nuclear Plant and all future nuclear plants, except for those portions of the design under separate contract. In this case the procedures provided by the Contractor shall be followed.

1.2 Drawings All work shall be done as herein specified and as indicated on the respective Division of Engineering Design (DED) detailed -

design drawings, conduit and cable schedules, and the attached following standard drawings:

30B340 - coaxial Termination Panel - Assembly and Details 30A551 - Switchboard and Panel - Wiring Arrangement 30A565 - Switchboard Panel Wiring - Wiring Methods 30A811 - Conduit Sizes for Cables - Various Diameters 30A1031 - Terminals ca=v4=1 co==ainication cable -

Straight Termination 30A1032 - Junction Box Termin=1 Details - convi=1 con ==>nication Cable 30A1033 - Terminals coaxial communication cable -

curved Termination 3081045 - conduit and cable Identification Tags 30810'75 - Shielded cable Termination - Ground Sensor current Transformer Application 13 Engineer The Electrical Engineering Branch of DED is responsible for the contents of this document. The respective construction project

! manager, acting directly or through properly authorized agents, i is responsible for enforcing these general construction I' specification requirements.

1.4 Definitions

, class 1E. The safety classification of the electric equipment and systems that are essential to emergency reactor shutdown, containment isolation, reactor core cooling, and containment and reactor heat removal, or otherwise are essential in preventing significant release of radioactive material to the environment (IEEE 323-1974).

Terminating Kits. A package of material together with instructions that includes all necessa:y items, except for the terminal lug, for cable termination.

1-1 L TVA 10535 EDEEks-743

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CONSTRUCTION SPECIFICATION FOR INSTALLING INSULATED CABLES

. RATED UP TO 15,000 VOLTS INCLUSIVE G-38 2.0 MATERIALS 2.1 Insulated Cables-Insulated cables to be installed in accordance with this

' construction specification include the following classifications according to service:

a. Power, control and lighting.

b. Signal and instrumentation.

c. Thermocouple.

d. Telephone.

e. Switchboard wire. -

All classes of insulated cables shall be purchased primarily by procurement personnel in the Equipment Procurement Group of the Electrical Engineering Branch, DED, in accordance with TVA stanrinvd specifications referenced in section 5 0 when applicable. Miscellaneous cables for use in the comnnmications room are the responsibility of the Electrical Engineering and Design Branch, DED.

2.2 Cable Accessories These materials shall be purchased directly by the field construction office. Many of the insulated cables listed in subsection 2.1 according to service classifications are

, further divided into groups according to voltage or ampacity l 1evels and other considerations. Cable accessories shan in all instances be suitable for use with the specific cable and compatible with the environment in which the cable is to be installed. The following general requirements shall govern the purchase of these components:

2.2.1 Terminals and Butt Splices

Vinyl, Tefzel, or Kynar self-insulated and noninsulated ring l . tongue terminals and butt splices shall be required for wire I

size 10 AWG and smaller. Terminal lugs and butt splices for j wire size 8 AWG and larger shall be of the noninsulated type.

The following tabulations specify terminals and butt splices for copper wire size 22 AWG to 1000 mcm.

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TVA 10535 (DED-5 74) l

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2.0 MATERIALS (Continued) a y 2.2.1 Terminals and Butt Splices (Continued) g U

a Terminals and splices purchased from the Thomas and Betts Company shall be installed with tools purchased from that company as follows: N g 600 Volts and Belcw 601 15,000 Volts O!

Applications Applications Um Copper Wire Terminal Butt Splice DieNl Die Die (2) gg Range, AWG Catalog Series Series Tool No. Catalog No. Code No. Catalog No. 6y 22-16 A AA WT 130A None None Not Applicable 18-14 B Noninsulated BB WT 130A None None Not Applicable 13 s 12-10 C CC WT 130A None None Not Applicable yO 22-16 RA Vinyl (3) RAA WT 145C None None Not Applicable 18-14 RB self-insulated RBB WT 1450 None None Not Applicable g g @w

.12-10 RC RCC WT 1450 None Hone Not Applicable ry

'? 8 54000 54000 TB}R5 15520 21 Not Applicable $M

'o 6 54000 54000 TBML5 15522 24 Not Applicable @

4 54000 54000 TBML5 15527 29 Not Applicable E 2 54000 54000 TBlE5 15528 33 Not Applicable y 1 54000 54000 TBML5 15508 42H Not Applicable 20 54000 54000 TBML5 15526 45 150-45R  %

40 54000 54000 TBIE5 15511 54H 15C-54R 250 Mem 54000 54000 TBla5 15510 62 150-60R 300 fem 54000 54000 TBla5 15534 66 150-60R 400 Mem 54000 54000 TBla5 15512 76 15C-76R 500 Mem 54000 54000 Tara5 15506 87H 150-87R O 750 Mem 54000 '54000 TBla5 15515 106 15C-106R N-1000 Mem 54000 54000 TBM15 15603 125H 150-125R 2 i

(1) Only enclosed (ring or rectangular type) tongue terminals shall be used. Terminals with NEMA drilling and spacing shall be used when available.

(2) The TBML5 byaraulic head (15 tons) when using 15500 die series catalog numbers requires a die adapter, Thomas and Betts catalog No. 15500. [*

i (3) For self-insulated applications within the primary containment, terminals with Tefzel insulation, RAT through RCT series as required, shall be installed using tool No.WT1450.

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' CONSTRUCTION SPECIFICATION FOR INSTALLING INSULATED CABLES RATED UP To 15,000 VOLTS INCLUSIVE G-38 2.0 MATERIALS (Continued) 2.2.1 Terminals and Butt Splices (Continued)

Terminals and splices purchased from the AMP Special Industries,

. - Division of AMP Product Corporation, shall be installed with tools purchased from that company as follows:

Copper Wire -Self-Insulated Termiral Series (1)

Range, AWG .and Butt Splice Series Tool No.

22-16 PIDG Vinyl 59170 16-14 PIDG Vinyl 59170 12-10 PIDG V 59239-4 22-16 Nuclear PIDG(Kynar) 5917o 16-14 Nuclear PIDG(ICynar) 59170 -

12-10 Nuclear PIDG(Kynar) 59239-4 Noninsulated Copper Wire TerminalSeries(1)

Range, AWG and Butt Splice Series Tool No. Head No. Die Catalog No.

22-16 Solistrand 49900 None 'None

. 16-14 Solistrand 49900 None None 12-10 Solistrand 49900 None None *

. 8 Solistrand. 69355 None None 8 Solistrand 69062 None None 6 Solistrand 69062 None None 4 Solistrand 69062 None None 2 Solistrand 69062 None None 6 Aapower 69120-1 69099 69131-1 4 Anyover 69120-1 69099 69134-1 2 Ampower 69120-1 69099 M765-2 0 Angover 69120-1 69099 M766-2 20 Angover 69120-1 69099 M767-2 0 Angover 69120-1 69099 M750-2 250 Men Asipcr a 69120-1 69099 M751-2 300 Mem Aapower 69120-1 69099 M752-2 400 Men Ampower 69120-l' 69082 M754-2 500 Mem Ampower 69120-1 69082 M755-2 750 Mca Ampower 69120-1 69082 (2)M758-2

. 1000 Mem Ampower 69120-1 69082 M760-2 I

(1) Only enclosed (ring or rectangular type) tongue termina1= shall be used.

Termin=1= with NEMA drilling and spacing shall be used when available.

(2) Each installation to verify cable size. If less than 750 mcm, use die catalog No. M757-2 instead.

-(3) For self-insulated applications within the primary containment.

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TVA 10530 @_F.@-@ 74) . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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CONB1RUCTION SPECIFICATION FOR INSTALLING INSULATED CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38

, 2.0 MMERIALS (Continued) 2.2.2 . Terminating Kits For medium voltage terminations, Raychem Corporation cable insulation terminating kits shall be required as follows:

) a. 15 Kv Conductor Size Range Lh Kit No. Outdoor Kit No.

2/O-350 Men avT-I-B-2 HvT-0-B-2 400-1000 Men HVT-I-B-3 HVT-0-B-3

b. 8 Kv Conductor Size Range Indoor Kit No. Outdoor Kit No. -

2/O-250Mca HVT-I-A-1 HVT-0-A-1 300-500 Mem HVT-I-A-2 HVT-0-A-2 750-1000 Mca HVT-I-A-3 HVT-0-A-3 2.2 3 Splice and Termination Insulation j For insulsting 600-volt and below splices and terminations (other than self-insulated) the following shall be required:

a. Cables with thar W == tic or thermosetting-type insulations.

Conductor or Application Standawi Raychem Corporation

] Diameter Range, Inches Lengths Part No.

0.08 to 0.14 6 WCSF-070-N-4- 0.13 to 0.23 6 WCSF-ll5-N O.22 to 0.40 6, 9, 12 WCSF-200-N 0 33 to 0.60 6 9, 12 WCSF-300-N

0 55 to 1.00 6,, 9, 12 WCSF-500-N 0.72 to 1.30 6, 9, 12 WCSF-650-N 1.10 to 2.00 12, 18 WCSF-1000-N 1.65 to 3.00 12, 18 WCSF-1500-N l i

b. Cables with rubber or rubber-like insulation - Minnesota l Mining and Manufacturing Company " Scotch 70" tape shall be required.

i 2.2.4 Lighting System Branch Circuit Terminations and Splices 4

l One-piece, self-insulated, screw-on electrical connectors in different sizes, UL approved for various wire combinations of

, 2 single conductor No. 8 AWG and smaller shall be required for 6 all splices and joints. No terminating materials shall be i

2-4 l TVA 10535 (DED 5-74) ,

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CONSTRUCTION SPECIFICATION MR INSTALLING CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 2.0 MATERIALS (Continued)

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2.2.4 Lighting System Branch Circuit Terminations and Splices (Continued) required for terminala having pressure connectors or connections of No.10 AWG or smaller conductors to wiring devices or lighting fixtures having wire b1 Ming screws or studs and nuts having upturned lugs, or equivalent.

2.2 5 Wire Stripoers

a. Cables No. 24 AWG to No. 10 AWG. Self-adjusting wire strippers shall be selected from the following:

(1) Thomas and Betts Company catalog No. AMBK-1 for '

wire sizes AWG 24 to 12 and catalog No. AMBK-3 ,

for wire sizes AWG 18 to 10.

j (2) Ideal Industries, Incorporated, model 45 series for ,

l , wire sizes AWG 22 to 10.

', b. Cables with wire sizes No. 8 AWG and larger shall require electrician or sir 4nning knives, Klein, or equivalent.

2.2.6 Cable Bending Equipment i

Mechanical cable baMing equipment such as the model 750 cable S e

bender by Manufacturing Research Corporation (Post Office '

Box 813, Eau Gallie, Melbourne, Florida 32935).may be utilized in the beMing of 600-volt cables (in range from 250 to 750 mem) for connections in locations such as terminal boxes in annulus areas, where space is limited or otherwise

] requires the use of mechanical bending equipment. Cable bends shall be made per the manufacturer's recommendations when j using this equipment.

2.2 7 Cable Lubricants ,

RecammaMad. lubricants for pulling insulated cables are as i follows:

a. Rubber or plastic covered cables I

(1) Dust with mica or soapstone (2) Water (3) Wire Lube or Yellow 77 (Ideal Products Company)

(4) Talc 2-5 N

C0ZETRUCTION SPECIFICATION FCE IIETALLING CABLES

( RATED UP TO 15,000 VOLTS INCLUSIVE G-38

. 2.0 !&TERIALS (Continued) 2.2 7 Cable Lubricants (Continued)

(5) Soapstone and water (6) Soap (low alkali such as Ivory Flakes) and water

b. Asbestos-braid covering .

(1) Soapstone (2) Tale (3) Soapstone and water thick paste (use very little water and smear the paste lightly on the cable) 2.2.8 Cable Ties Cable ties shall be of the self-locking type. Those for use within the primary con +minmant shall be either:

, a. Stainless steel as manufactured by AMP Special Industries, or

b. Tefzel with a stainless steel locking device as available from Thomas and Betts Company.

Cable ties for general use other than as above may be of nylon as manufactured by Thomas and Betts Company or AMP l Special Industries.

2.2 9 Identification Tags and Markers Refer to standard drawing 30B1045 for information relative to materials for polystyrene tags and terminal marker strips or Thomas and Betts Ty-Rap. Self-sticking Mylar cable markers from the following sources shall be suitable:

i a. AMP Special Industries

b. W. H. Brady Company

, c. LEM Products, Incorporated 9

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"'^ !asas coco:gg4L____, _..__ . _ __ __

( o CONSTRUCTION SPECIFICATION FOR ESTALLLIG CABLES RATED UP TO 15,C00 VOL'In LILU3IVE G-38 30 INSTALLATION 3 1 . Cable Sclet. tion Af'er ascertaining that conduit identification tags have been installed, a cable of the type specified in the DED conduit and cable schedule computer printout " pull cards" shall be~ obtained in accordance with established construction procedures.

i j 32 Cable Pulling 3 2.1 In Cable Tray or Conduit s 3 2.1.1 Preoaration for Pulling q The cable shall be prepared for pullirg by one of the -

following methods:

a. Remove the insulation a sufficient length to allow the conductor to be folded back.on itself in order to form a loop. The joint shall be tapped with plastic tape to present a smooth surface to the inside of the conduit.

B is loop shall be the means of attachment to the pull rope. In no case will the rope be attached to the insulation of the conductors. If multiconductor cable is pulled, each conductor shall be attached to the pn114nc rope. Coaxial, triaxial, and signal cable shall

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r have the shields and conductor fastened to the rope.

4 i b. For tough pulls (where mav4== forces calculated in subsection 3.2.1.2a. will be approached) or where moistureproofing of the cable end is required, a field-applied, crimped-on-the-conductor pulling eye (available from Cyprus Cable Support Systems Company) may be used.

The insulation is removed for a short distance, the eye is crimped on, and a heat shrink sleeve with heat melt  !

adhesive supplied by pulling eye manufacturer is shrunk on. The ==v4=n= pulling tension for crimped-on-the-conductor pn114ng eyes is as calculated in subsection 3.2.1.2a. The only limit is the maximum force calculated in subsection 3 2.1.2c.

c. A basket grip cc.n be used without removing the insulation

, for pulls on unleaded cable that will not exceed 1000 i

pounds as calculated in subsection 3 2.1.2a. The-measurement of cable pulling force is not necessary if

, the cable is pulled by hand. If the cable is pulled b;r mechanically assisted methods, cable pulling force shall be limited to that given under subsection 3 2.1.2.

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CONSTRUCTION SPECIFICATION FGL E1 STALLING CABLES i RATED UP TO 15,000 VOLTS INCLUSIVE G-38 .

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30 DISTALLATION (Continued) 3 2.1.2 Maximum Pulling Force

'Kuclear Instrumentation System (NIS) cables shall be installed in accordance with the recommendations defined in mamifacturer's or Nuclear Steam Supp4 System vendor's i specifications which are approved by TVA.  !

Other copper conductor cables shall not' exceed the following limits:

a. The marimim allowable force (Fm) shall not exceed 0.008 times cail area when pulling on the conductor with mechanically assisted methods.

Fm = 0.008 x n x cail -

4 Fa = mari== allowable pulling force, pounds n = number of conductors in cable

! cail = circular mil area of each conductor

', b. When pulling a nonloaded cable with a basket-weave type

, pulling grip, the marim m force should not exceed 1000 pounds or the Fm as determined above, whichever is less.

c. In the absence of specific instructions from the cable mamtfacturer, the marimim force in pounds on a cable shall not exceed 100 times the bend radius in feet for small instrumentation type cables and shall not exceed 44

9 300 times the bend radius in feet for medium voltage power cables.

! 3 2.2 In Earth l The trench for the cable should be dug to at least 24 inches below surface gnie so cable will not be disturbed by surface dia-ing or frost. The bottom of the trench should be loosened and free of rocks.and other rough material.

Prepare a Wdine of sand or screened dirt in bottom of trench for the cable to rest. In laying the cable on this badding, permit it to analta slightly in the trench to allow slack when the earth settles. If several single-conductor cables are to

, it is desirable to keep them be separated laid in the same trench,6 uniformly, about inches between centers, so earth and sand can be filled in around them. Be certain there are

. no crossovers.

3-2 TVA 10535 (DED-S 74)

CONSTRIX: TION SPECIFICATION ITE INSTALLING CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 30 INSTALLATI03(Continued) 3 2.2 In Earth (Continued)

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After the cable is laid and before backfilling, cover the cable at least 6 inches with screened dirt to improve heat dissipation and avoid bruising or distorting the cable during backfi". ling.

In areas of heavy traffic or places where excavating is likely to occur, protective slabs should be placed over the screened dirt covering to protect the cable acad warn workmen of its presence. If planka are used, be r.ure they are free of nails and not less than 3 inches above the cable. Planka should be creosoted or penta-compouni (or equivalent) used as preservative.

Where physical protection is not required, use electrical warning tape (Lineguard, Incorporated, or equivalent) installed not less than 1 foot above cables. ,

3.3 wire stripping Stripping tools chall be selected from those specified in subsection 2.2 5 Care shall be exercised to assure that all insulation layers or fillers are removed down to the metallic conductors and that no conductor strands are clipped or nicked.

3.4 Termination and splicing After pn114ng each run of cable and prior to cutting from the reel, the pulling end of the cable should be avamined for any distortion or deformtstion to assure that a sufficient length of unicjured copper, insulation, and jacket is available as required for the splice or termination.

Cleanliness is of great importance in the making of any splice or termination. The splicer's handa should be clean, particular4 when applying the tapes, and every reasonable precaution should be taken to exclude dirt and moisture while the work is in process. In hot atmosphere, sweat bands around the splicer's wrists will tend to prevent perspiration from accumulating on the handa and are recommended.

3.4.1 Thermoclastic or Thermosetting-Type Insulations

a. Terminations and splicing of conductors aball generally be accomplished by means of enclosed (ring or rectangular) tongue terminal lugs and butt splices crimped onto the wires by means of matching tools, all as specified in subsection 2.2.1. Exceptions to this method are noted in subsection 3.4.lf. Because of differences between tools and terminals of the listed manufacturers, it is important to follow closely manufacturer's instructions applicable to the specific installation being made.

3-3 TVA 10535 (DED 5 74) _ __.

C01ETRUCTION SPECIFICATION MR INSTALLING CABLES RATED UP TO 15,000 VOLTS.IHCLUSlVE G-38

30 INSTALLATION (Continued) 3.4.1 Thermoplastic or Thermosetting-Type Insulations (Continued)

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Terminals mal splices of a company shall always be instaued with a tool purchased from that same company to ensure a carefully controlled uniform pressure crimp.

b. Terminations of medium-voltage power conductors shall ba insulated with Raychem Corporation kits specified in subsection 2.2.2a. and b. and installed in accordance with manufacturer's instructions using an electric heat gun (do not use torch with open flame) available from Raychem as the heat source.

Cable shields, 8 and 15 kv, should be grounded at both -

switchgear ends and at equipment end of the run with No. 10 AWG bare copper, or equivalent flexible copper braid, unless the drawings specifically state otherwise.

All ground connections shall be made in such a way as to provide a permanent low resistance bond, and precautions shall be taken to prevent corrosion of the connections and grounding wires.

On long runs, shields should also be grounded at intermediate points not over 800 feet apart except as noted on design drawings. - The locations of points of access, such as pull boxes and manholes, will determine the interval. In =*4 na the intermediate grounds, remove only an amount of the jacket sufficient to permit soldering the ground lead to the shi=1 ding tape and then replace the jacket with Raychem heat shrinkahle cable repair sleeve.

Shields of all conductors 1,000,000 cail or larger shcIl not be grounded at both ends. The drawings will show the 4 location of the grounds and of shield insulating joints if the latter are required.

Where shielded power cable is terminated through a ground sensor current transformer, the shield ground lead shall be installed in accordance with standard drawing 3aB1075 in order that the current transformer sees only the phase currents and to avoid the ground connections constituting a shorted turn in the current transformer primary. i

c. Either noninsulated or self-insulated terminals and butt splices, as specified in subsection 2.2.1, may be installed in systems of 600 volts or less and wire size AWG No.10 and smaller. The self-insulated terminals having a wire insulation grip shall be used where the insulation of the barrel of the terminal is desirable to give some protection against electrical faults and accidental contact with live 3-4 TVA 10535 CDED 5 74D

N ..

C0llSTRUCTION SPECIFICATION NR II1 STALLING CABLES RATED UP To 15,000 VOLTS II;CLUSIVE G-38 3.o IIISTALLATION (Continued) ,

3.4.1 Thermoolastic or Thermosetting-Tyne Insulations (Continued)

" 'ter bala or where mechanical stress relief to vibration or flexure at the point of application might be required.

Self-insulated teminals and butt splices within the primary containmant shall be either Tefzel (Thomas and Betta Com pny) or Kynar (AMP Special Industries). The vire/l self-insulated fittings are intended for applications where the total temperature of the conductor does not exceed 105 C (221 F).

d. Splices of 600 volts or less wire size AWG 8 and larger a:wi those of the noninsulated type for smaller wires shall be insulated with Raychem Corporation WCSF-N splice covers specified in subsection 2.2 3a. and installed in accordaner -

with the manufacturer's instructions using an electric heat gun (do not use torch with open flame) available from Raychem as the heat source.

e. For special configurations, such as certain motor connections when multiconductor cable, with 90 C or less insulation, is used to feed the motor, vinyl plastic electrical tape may be used for insulating splices.

Install uninsulated connector (of appropriate size) as listed under subsection 2.2.1 and build up over exposed copper surfaces with 3M Compcny, Scotch 33 tape to a .

thich ess equal to the original insulation and jacket.

For similar applications, with 125 C or higher

insulation, see subsection 3.4.2.

f. Exceptions to the preferred method ~c,f terminations using ring tongue terminals as described in subsection 3.4.la.

shall include enemications cables (mevhm wire size No. 22 AWG), li8hting branch circuits, and general purpose low voltage circuits terminating at equipment provided with solderless pressure-type connectors and amil size solid conductor field vire where the preferred method is impractical. Comcnnications cables on the main distribution frame shall have soldered terminations. Lighting system branch circuits may be spliced or joined in boxes by using an approved self-insulated hand twist wire nut as specified in subsection 2.2.4. It shall also be pemissible to terminate solid conductor field wire using flat washers or washer head screws.

j 3-5 t w wmaggsem

EE CONSTRUCTIO!! SPEcIFICATI0II FOR ElST!J1 DIG CABLES PARED U2 TO 15,000 VOLTS IIrLUSlVE G-38 30 EUTALIATION (continued) 3.4.2 Rubber or Rubber-Like Insulations Cables with rubber or rubber-like (silicone) 125 c or more insulations shall be terminated or spliced by one of the followir4 procedures:

, s. Install noninsulated terminal or conndctor (of appropriate size) as listed under subsection 2.2.1'and b'lild up over exposed copper surfaces with 3M co=pany, Scotch 70 tape to a thickness equal to the original insulation and jacket. The use of Raychem's WCSF-IT (subsection 2.2 3) is suitable as a replacement for the jacket material.

Install as in subsection 3.4.1d.

b. For splices in multiple-conductor cable, splice the sin 61e conductors in accordance with a. above and build up final cover with Scotch 70 tape to approximately the same thickness as the original jacket. The use of Raychen's WCSF-N (subsection 2.2 3) is suitable as a replacement for the jacket material for the overall jacket, and shall be installed as in subsection 3.4.ld.

3.4.3 coaxial and/or~ Triaxial Caav4=1 and/ortriaxialcablesshallbeterminatedwiththe appropriate connectors furnished on the instrumentation equipment contract. The procedure used shall be in full camp 14.ance with the instructions furnished by the ins k w tation

, equipment manufacturer and the terminations shall be made with i

appropriate tools and supplemental materials (such as solder-and sleeving) furnished by the instrumentation equipment manufacturer.

Splicing of coaxial and triaxial cable shall not be permitted for Class lE cables.

3.4.4 Signal Where multiconductor signal cable is to be terminated in analtipin connectors supplied with instrumentation equipment, the same procedure shall be followed as outlined in subsection 1

3.4.3 for coaxial cable.

l 3 5' cable Termination Torcue values 351 Terminations at Standard Molded Terminal Blocks '

Torque screwdrivers shall be used to set the torque requirements for slotted head screws accordire to the following tables.

3-6 m_

i r_

, Co:GTRUCTIoN SFFCIFICATIoN MR DETALLDIG CABLES RATED UP To 15,000 VOLTS DCLUSlVE 'G-38

. 3.o DsTALLATIoN (Continued) 3.5.1 Terminations at Standard Molded Terminal Blocks (Continued)

, a. Cable terminations with ring tongue terminals shall be tightened to torque values based on the screw sizes as follows:

Slotted Head Torque Screw Size in Inch-Pounds 4 3 5 4.5-5 6 5-7 8 10-14 lo 12-15 1/4 25-30 -

b. Qable terminations without terminnla shall be tightened to torque values based on the wire sizes as follows:

Wire . Torque

, Size, AWG in Inch-Pounds -

20 8-10 18 8-10

._r.16 1o-12 14 10-12 12 12-15 lo 32-15 3 5.2 Terminations at Motors, Panels, Bus, Etc.

Lugged and bolted cable terminations shall be tightened with torque screwdrivers or torque vrenches to values based on the bolt sizes as followc:

Toroue in Foot-Pounds Except as Noted Bolt Steel Bolts Steel Bolts Duronze Size (Standard) (HighStrength) Bolts lo 12-1 -

15-2o Inch-Pounds 14 4-6*5 Inch-Pounds _ .

8 6-12 12-28 1o-20 12 15-30 30-6o 25-50 58 30-60 60-120 50-100 Ffhis value applies to hex head fasteners. For slotted head fasteners, 25-30 inch-pounds apply.

3-7 TVA 10535 (DED 5-74)

i s COIE3tUCTION SPECIFICATION FOR DETALLING CABLES RATED UP TO 15,000 VOLTS E1CLUDIVE G-38

. 30 DETALLATION (Continued) 3 5 3 Terminaticas at Molded-Case Circuit Breakers and Other Equipment Having Pressure Wire Connector Term b la

a. General Cable terminations shall be tightened with torque screwdrivers or torque wrenches to the following values based on the trire size:

Torque in Inch-Pounds Wire Screwdriver Wrench

• Range, AWG for All Slotted Heads for All Hex Heads 14-8 20 75 -

6-4 35 100 2-2/0 50 125 4/0 200 250-400 Mcm 250

, 500-750 Men 300

• For a screw which can be tightened only by a tool of a particular type and to which the tightening torques specified above cannot be applied without. damage to the

, screw or to the tool, a reduced value of tightening torques may be employed, as determined by special inves-tigation. See subsection 3 5 3b.

-a

b. Connectors With Hexagonal Socket Head Screws Cable terminations shall be tightened with a solid wrench with exterior hexaconal flats to the following tightening torques based on the size of the hexagon, across the flats:

Size of Hexagon in Inches, Torque Across Flats in Inch-Pounds 18 50 64 75 32 100 16 180

% 2%

~. 14 500 3 5.4 Special Configurations For special configurations (thermocouple heads internal to instruments, etc.) where small solid trire is used, the torque value npecified in subsection 3 5.lb. shall be reduced to a value that will cause only a slight deformation of the wire.

3-8

4 CONSTRUCTION SPECIFICATION FOR INSTALLING CABLES RATED UP TO 15,000 VOLTS INCLUS7.VE G-38

. 30 INSTALLATION (Continued) 3.6 Identification Tags and Markers 3.6.1 ' Cable

a. Termination:s Each conduit (see TVA General Construction Specification No. G40) and cable teunination shall be tagged and marked in the manner shown on standard drawing 30B1045 or by use of self-sticking Mylar cable markers (see subsection 2.2 9).

Where terminal boxes have limited space available for cable tags, such as manufacturer's thermocouple terminal boxes, it is permissible to use conductor tags (size as shown on drawing 30B1045). It shall also be permissible to use self-sticking Nylar cable markers (see subsection 2.2 9) -

to mark and tag cables. If the cable's unique designation is imprint marked per subsection 3.6.lb., cable tags are not necessary if the imprint is visible and legible at terminations.

Individual conductor terminations shall also be identified per standard drawing 30B1045 or by use of self-sticking Mrlar wire marker (see subsection 2.2 9) to mark and tag conductors.

In addition to the above, Sequoyah and Watts Bar Nuclear Plants have Post Accident Monitoring (PAM) Systems where j identification of redundant divisions of separation is required. The following color codes and suffix shall be used at the respective cable terminations:

Division Background Lettering Conduit or System of Separation Color Color Cable Suffix PAM 1 1 Purple White J l PAM 2 2 Green Black K l

[ Likewise, conduits should be tagged using the above in accordance with TVA General Construction Speci*ication No. G40.

i b. Intermediate Points in Class lE Cable Trays Beginning with Watts Bar Nuclear Plant and subsequent nuclear plants, cables routed in Class lE (train or channel) cable trays shall be identified at intermediate points. As i a min 4== the identifications (which may be accomplished by means of markirP, tagging, or taping) shall occur near tray intersections and along the Class 1E cable tray system i at sufficient intervals to provide visual verification that' l

l 3-9 TVA 10535 (DED 5-74)

CONSTRUCTION SPECIFICATION JOR INSTALLING CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 30 IESTAILATION (Continued) l l

3.6.1 Cable (Continued) j the cable installation conforms with the separation criteria.

The intermediste cable markings shall conform with the color code scheme, except as noted below, defined for the respective nuclear plant (see table A or B on drawing 30B1015).4 The use of self-sticking Mylar cable markers (see i subsection 2.2 9) is a suitable means to intermediately mark cables in Class 1E cable trays. The use of imprint markings, generally with white ink, of the cable's unique designation on the cable jacket with an automatic reel-out i machine (available from J. H. Matthews and Company) is also acceptable provided the imprint on the cable jacket is legible. Where multivire circuits are comprised of single conductors and are grouped together on Class 1E cable trays, it is necessary to identify only one conductor of the circuit.

'. 3.6.2 Terminal Blocks and Strips All terminal blocks shall be marked the same as designations on wiring diagrams or computer wire tables. Terminal strips shall be marked using waterproof ink. The letters and figures shall be carefully made to produce clearly legible designations.

3.6.3 Cable Trays Cable tray marking shall be done when the cable tray installations are completed and prior to cable installation.

The cable tray identification markings shall be as defined on the respective design project cable tray drawings.

Beginning with Watts Bar Nuclear Plant and subsequent nuclear plants, the respective voltage level markers shall be located

.on exterior side surfaces of Class 1E trays at intervals not 1

to exceed 15 feet and at points of entry to and exit from enclosed areas. In addition, each cable tray system (by

, voltage level) shall be identified with node numbers (for coaguter routing of cables) at intermediate points as shown on design drawings (cable tray node diagrams). These markers shall conform with the color code scheme defined fo.. each respective nuclear plant (see table A or B on drawing 30B10l+5).

Markers for trays designated for nondivisional cables shall be white background with black lettering. The markers shall be j of the self-sticking Mylar type (see subsection 2.2 9) l installed per manufacturer's instructions.

P 3-10 l _ . _]VA 10535 ( ED-5 74)__ , _ _ _ , _ _ _ _ _ , _ _ ___ _ _ _ _ _ _ _

CONSTRUCTION SPECIFICATION FOR INSTALLING CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 i 50 REFERENCES l The latest revisions (ir.d.uding tentative revisions) of the following

. specifications shall ap',$1y where referred to in this specification.

l TVA Specification 25 013. StaMad Specification for Polyethylene-Insulated Wire and Cable.

TVA Specification 25.014. Standard SpecificatioA for Switchboard Insulated Wire. l TVA Specification 25.016. StaMad Specification for Cross-Linked Polyethylene-Insulated Wire and Cable.

MIL Specification MIL-W-168784A. Wire Electrical Type E, 200 C and 260 C, 600 Volts (Insulated, High Temperature,.)

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4 9

4 5-1 renfanumreant _ _ _ _ , _ _ _ . - _ . _ , _ . _

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CONSTRUCTION SPECIFICATION FOR INSTAILING CABLES RATED UP TO 15,000 VOLTS INCLUSIVE G-38 6.0 ATTACHMENTS 6.1 Adderdum 1 for Sequoyah and Watts Bar Nuclear Plants.

6.2 Standard drawings as listed in section 1.2.

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CONSTRUCTION SPECIFICATION FOR INSTATLING INSULATED CABLES o RATED UP To 15,000 VOLTS INCLUSIVE G-38 ADDENDUM 1 S MUGYAH AND WATTS BAR NUCLEAR PLANTS ONLY Cast copper compression series 53000 terminals and splices furnished by Thomas and Betts Company shall be instan ed with tools purchased from that company as follows:

Copper Wire Termi =1 Die Butt Splice Range, AWG Catalog No.

DieCatalogg)DieCatalogNo.

TBM15 Tool 40-Ton Head Tool Code Catalog No.

8 53104 or 53204 15527 n401 29 53504 6 53105 or 53205 15527 n401 29- 53505 4 53106 or 53206 15527 n401 29 53506

-2 53107 or 53207 15526 n405 45 53507 -

1o 53109 or 53209 15526 n405 45 53509 20 53no or 5321o 15534 n409 66 53510 o 53n2 or 53212 15534 n409 66 53512 250 Mem 53113 or 53213 15512 n410 76 53513 300 Mem 53114 or 53214 15512 n41o 76 53514

. 400 Mem 53n6 or 53216 (2) n424 99 53516 400 Men 53n6 or 53216 155o5 (2) 99H 53516 500 Mem 53n8 or 53218 (2) n424 99 53518 500 Mem 53n8 or 53218 15505 (2) 99H 53518 750 Mem 53123 or 53223 (2) n426 n2 53523 750 Mem 53123 or 53223 15609 (2) n2H 53523 (1) TBML5 head when using 15500 die series catalog numbers requires a die adapter No. 15500.

(2) Not available.

The cast lugs listed above are factory marked for use with the 40-ton hydraulic head; therefore, the use of TBML5 bydraulic head would require twice the number of compression operations on large rize lugs for proper termination due to the amaner compression area of the 15-ton dies.' Lugs for the 350- to Soo-mem and 600- to 750-mem copper vire ranges employ die codes of 99H and 112H, respectively, for the 15-ton head which are half-size.

Whenever possible all Thomas and Betts series 53000 cast copper termi=1s above 300 mem should be compressed with a 40-ton head.

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l l LEAD, RUBBER OR THERMOPLASTIC JACKET l

l Not to scale f ELECTRICAL STANDARDS TERMINALS l

..' COAXIAL COMMUNICATION CABLE

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=H-H--l-i H DESIGN AND DRAFTING STANDARDS Cu,,if. .

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tm>=>= g333 A =E M ag e9 *E e4 WWM E 3D & >=>= W3 =E =W =E et

>dW 4 -W EEEE 4 -W me wvuu M.D MM MM

.- as . - < @M=

wO= >= OM Quuu OM .'

e- O O =~~

E J O D M s O .-/'. . -

ed Ew >" e

- nad > d C>

w WD tad er .e asgag E er w

8 e.

== Q 59.J M m w W == > Q

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>==>= b.

0 > > M D as as O at aD >= >= >=

E- O tad 3 naJ g M eE ate M G C>es #3 8 > WD D .J E tad 8 m X -E h 44 - == =

a t= 3

• -wu tad e E w= w a, en Caet.n tad y", w > en e A. O.

is era.m,o m - = 3= = O = t.a.J.5= e.J >= et =e -E B B u

> en > ta www J em E=M er s nas s

e-as o O as EM we > e em W--4 em 6.s J n as OO as

- er- cs* .,***>

> MMX Mw 3 O-M l Q > B ed FBba

>* .J > end taJ >===u - 44 es 6. M M

ed tad 4 hW8 nae w tsJ 0.J *E had

$= E W3 3p M ein.

• = WD tad G.

naJ E 3

euD e.D %sI pas

.,g'.

8

p. fg.a ta.d 4.d E ag og >= to had DO *E S 4.3,a g L. 4J . .

d had ta.d es -at e4C==o9 a= eJ m ue taJ B E3 =*ee vt taJ E ta

=8 8 gg >= *E>=> > tad 4 J O tas .s J >. A Q

T >= Z D* 2 LaJ ted eJP

• C9.d4- WB tae naa t=

taa tad

>= m E E E g.g {p 8 4 ***%. e"

>= 40 g em W3tE, a es m had WD W at 64 4- u 4 W ., O ta# < t ,. -

M-E-M

e. O 4.a- . .e E . O. O

. ==. w ts. ..

. wwwEs n .- M m u s. > E w e.

>= w s e.

tad had e9 m

M M

.=. .>MOwE

-*=E 8 tad es a e4 taJ G. E u > as e9 > e4 tea 4 et O "a e w- e9

>= u had w- es O w==,

O.

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- ta.

M En es w

-u

- >= *= gg_ [W* .'-

w wE & w  %,

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e < E nn. O C er O ins O

ins O

44 P. g .

to, es *E E W.e n.a uer

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>*>=

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w W GwtdOO WEE at b att >= -

gf ,. .- ?,7

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ow O a 3 v oM E E enJ E m -a- .E .t-O tad =E wzG tea.m

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> as tad **8 - 3 == L et had usan D=e tad u O O O M =*

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g,g g g,' tad e4 O O u t. ,

O-

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> eEt 188 -

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>= tad 5 ew "sE.a B > - Ga =4 est EE G

e= == O "" O 'a#

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>=

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• *= g *a.stetaa saa WI

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o ar e .J =a & E E u

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n A n n

' ' S lCe6. re 1tee 04 Sreeter termanets freebor rerminess Conneer no gg

4 venn* *n m a11 I .l d 111 Ie

.{

. F 7 l Greend senser t eer wensrermer,

wondee type "

, r/

Mress Str l

f..s

~~ f',a ~ess

'i

'),

@?

1 f Greend senser ter rrenstermer, Greend seeser eer, transformer, j. l nde. orre no are s 3 -,nde- ryre, ne nre a sesa re senser s li f li 3 es

) g i 8g3 ---

I W F J F 7  :

h l1I Greend e Cebles Gr*end f Cebles bus ne med Oee go good A A A fA F Y F

,j o

} , CASE A CASE B l

~

Leed eeblee Jeoeme airner see Leed eebles leeeing eimer 909

}

. er serrem er sw:xhgea e serrem er niresgar (Cebles teerung sorten sheen) (Ce6tes teneing berres sheen)

, Greend senser NOTES: 900TES: *, Q,Y,", ** *

9. As leed centes most pens neeepn the erndow et the curreno resnetermer.

L Als feed eebles mest gene rareegh the window of me corrent keesformer.

j ,

g 11,\

) 2. amen eer*ent wensfereeer os 2. Terminere ce6he the some es y 11 \ \

meenrod as en Case A, termheere Cene A,eeeert emir ne greend eeson por studed dremong error er ese sween een and V D so E.d soniodo, rods - h,suro tr a en oud side er e,,nd gesen Cusweenu Sreemeesen e d. rse eerrear wasreme er su re seed

3. We cebles leave ree of serisch. erHing ebreegh the entMjecher geer, corrent wensrermer etN end cerefeHy 2004e940g rhe he ebene breeeer norminels. grened strip re Ne shield. , ,

J. Iriben toenes Jesse rep e# ee/ree. , y gear, rerrent wensformer atto se esere broeeer norminene. CASE C Leed eebles seerlag berb eep

< end berren of sworehgeer W III#

i Not to scele

s. Genen reed eesses Jeeve kom

] eern rap and eerrem et i ELECTRICAL STan0ARDS wir:hena, roe grond neene corrent r,enedormwe we se SHIELDED CABLE TEResteIATIOct

s. rer *b"'"*e'e amie . 4f100000 SEllSOR CUR.TRASISF

D unse_ ug,msnKGil se Cese A.

as APPLICATl001

) M-: ' .

n oamos

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_, g. . otsies.e n a.e,o snpaarTime

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m ue sT.am.m

- m

'I

'.I Twit NAWING SUPER 3fMS JM10!Sne -

I I I I anusmaAs F-7-es Fe Ie I e IS0e107S er

',P * '*

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,e .". Y!..@ < -

p ', %s

,  ; e y ,

. 9g- , .

-3 mm ci e

n. -

. .e .

, h" Tope M sist oflug Unravelmek//k bred s,,See note.. . . . . . . . .p. . . . ... c-) 0) 14 NN)enydene vowyf Renove aufer"jecketm ~ y - hssulatocrr u , f*solderkss Arg wf"seemless ll solderung luf. Ream hole or n file lug to fit terminal when Make length ofhts,/2 straoded suhd ###*

ll 't ww to suit exentations. Lug may be ll opplied cirectly M breid if a short ground leadis requerd.

O o)

AnkfiNonallength ofshe*M wjacket k be remoewdif ceMr is equipped eth pape wrapping. ,

m B-

- ** a r Wrop m*th Scotch A 33 eledrical tape half-topped. Tape shouM be wrapped tyhtly enough k esclude nods in the tope, but never stretched or elongated beyond '~

~. 25%. Final wrap should be opplied with f \ mm, mum sims tomt ero.iing.

\ nfmy the U skanded ends of the hk12 nww and Aeper eroppeg the cable braid, mesh tne two ends, and tmst (hs cables se equipped) 169 ether. Wrap this twisted plice with teseloyr of k 22 solid finned wire, then sordre entre splice.

Spike to ethin f*ofcable

.?~ Leed, rubber or f.* thermoplasticJacket e

LEAD. RUBBER OR THERMOPLASTIC JACKET wort:

4 ply heat slowly M point at whkh the poffethylene or smyl rasv/sted cable is to be bent. Bend the cobie M desired shape and hold in position until cool.

e oo not apoly host to rubber caWe.

Net to scale ELECTRICAL STANDARDS TERMINALS h ' ' ' ' ' ' '

COAXIAL COMMUNICATION CABLE CURVED TERMINATION

"* l*a h=la*H **h=l ==

~"#~--- *""

DESIGN AND DRAFTING STANDARDS

~ ' " ' ' " TENNESSEE om ssonVALLE.Y on nsion AUTHORITY asse onawinc: aea socio33 a. -.

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ccunamou onamuas:sostosi JoAtoJE M , n.

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