ML20133A369

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Rev 1 to Maint Procedure ME-4-809, Low Voltage Control Cable Terminations & Splices
ML20133A369
Person / Time
Site: 05000000, Waterford
Issue date: 12/29/1983
From:
LOUISIANA POWER & LIGHT CO.
To:
Shared Package
ML082320156 List: ... further results
References
FOIA-84-206 ME-4-809, NUDOCS 8510020199
Download: ML20133A369 (18)
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SAFETY RILATED TI ? AGE (/J7207AL e 1 DEPLN.AL 710m E 800 gry.s:03 1

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PROCCURE E7ALCA;;05 Date

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Maintenanco Procoduce HE-4-809 Low Voltage Centrol Cable Revision 1 Ter=inations and Splices TABLE OF CONTENTS 1.0 PURPOSE

2.0 REFERENCES

3.0 PREREQUISITES 4.0 PRECAUTIONS AND LIMITATIONS j

5.0

! NIT!AL CONDITIONS 6.0 MATERIAL AND TEST EQUIPMENT 7.0 ACCEPTANCE CRITERIA 8.0 PROCEOURE 8.1 Preparation 8.2 Crimping 8.3 Termination / Insulation 9.0 SETPOINTS

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10.0 ATTACHMENTS 10.1 Low Voltage Control Cable Termination Data Record For= (1 page) 10.2 PIDG Cri=p Acceptance Criteria Chart (1 page) 10.3 Methods of Grounding Foil Shields Diagrams (1 page) i 10.4 Single Wire Shield Coaxial Termination Diagram (2 pages) 10.5 Double Wire Shield Coaxial Termination Diagram (1 page) 10.6 Amp PIDG Terminal Lug and Splices Reference Chart (1 page) 10 7 Insulating Ring Lug Splices (1 page) 11.0 COMMITMENTS AND REFERENCES i

l LIST OF EFFECTIVE PAGES Title Revision 1 1-16 Revision 1 l'

1

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Maintenance Procedure ME 4-809 Low Voltage Control Cable Revision 1 Ter=inations and Splices 1.0

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1.1 This procedure presents the requirements, methods and =aterials to be used in ter=inating, splicing and connecting low voltage control cables to permanent plant equipment.

2.0

  • ErroEMcEs 2.1 Drawing LOU-1564-3-288, Cable and Conduit List i

2.2 A=p (Cri=per 49935, 59170-AH and 59239-4) Instruction Manual, RAN 457000736 2.3 The applicable =anufacturer's technical manual for the specific equipment being worked on 2.4 UNT-5-002, Condition Identification and Work Authorization 2.5 UNT-5-003. Clearance Requests. Approval and Release 3.0

    • E'E0"7-*S 3.1 The Nuclear Operations Supervisor (NCS) has granted permission to perfer= this procedure.

3.2 Equipment and cables to be worked on by =eans of this procedure have been electrically 1sclated and safety tagged in accordance with procedure UNT-5-003, Clearance Requests, Approval and Release.

33 Health Physics has issued a Radiation Work Permit (RWP) for working on ter=inations and splices in radiation controlled areas.

3.4 All measuring and test equipment (M&TE) used to perform this procedure shall be within its current calibration cycle as evidenced by an affixed calibration st eker.

4.0 5 ' E C 1'J T I O N S AND LIMI'1? IONS 4.1 PRECAUT!0NS 4.1.1 Sundling and shaping must be accomplished so as not to apply any l

force in any direction on the termination.

6 2

Maintenance Procedure ME-4-809 i

Low Voltage Control Cable Revision 1 i

Ter=inations and Splices t

1 i

4.2 LIMITATIONS 4.2.1 If any discrepancies are encountered that cannot be resolved i

within the scope of this procedure, submit a CIWA in accordance i

with UNT-5-002 to initiate futher corrective action.

I 4.2.2 Step completion shall be signified by initialing or entering data in the appropriate space on Attachment 10.1.

If a procedure step coes not apply to a particular component or the equipment being

tested, "NA" shall be recorded in the appropriate data or signoff space.

4.2.3 Only Pre-Insulated Diamond Grip (PIDG), inner-grooved barrel, radiation resistant, tin-plated copper, compression-type ring tongues, terminal lugs or splices shall be used for connecting control wiring to permanent plant equipment.

4.2.3.1 Other types of connectors may be used for nonpermanent plant equipment as deemed necessary, on a case-by-case basis, by the

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Electrical Assistant Superintendent (EAS).

i 4.2.4 When bundling wires together ensure that separation criteria are j

met for fire protection, safety classification or other criteria per drawing LOU-1564-3-2BS (Sheets 10A through 10C), and oth'er sheets as they apply to specific panels and situations.

4.2.4.1 In general, a minimum of 6 inches of separation must exist I

between redundant class 1E cables and between safety and nonsafety cables, unless they are separated by a fire barrier per drawing LOU-1564-B-288 (Sheet 101, section 16.1.1).

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4.2.5 When shaping conductors or bundles, do not exceed the minimum bend l

radius of four times the conductor or bundle diameter.

4.2.6 The disposition of wires / cables with nicks or abrasiens will be determined on a case-by-case basis by the EAS.

4.2.7 This procedure provides limited instructions on the termination and splicing of low voltage control cables.

Additional informa-i 3

Maintenance Procedure ME-4-809 Low Vcltage Control Cable Revision 1 Ter=inatiens and Splices tien and techniques are delineated in Reference 2.1 and should be usec as necessary to provide guicance.

5.0 I!??"TA' CONDITIONS 5.1 The plant may be in any operational mode when this procedure is performed, as determined by the NCS on a case-by-case basis.

6.0 MATED?t' AND TEST EOUIDMENT 6.1 MATERIAL 6.1.1 Appropriate size PIDG terminal lugs and splices 6.1.2 Okonite T-35 jacketing tape or equivalent 6.1.3 Heat shrink tuoing (nuclear resistant) Ray Chem, or equ1 valent 6.1.4 Hot air gun 6.1.5 Appropriate size Ty-Wraps 6.2 TEST EQUIPMENT 6.2.1 A=p Cri=per 59170-AH (for FIDG sizes 14-12) 6.2.2 Amp Cri=per 59239-4 (for PIDG sizes 10-12) 6.2.3 Amp Cri=per 49935 (for PIDG si=es 22-16) 7.0 ACCED*1NCE CDT*ERTA 7.1 Terminations and splices are made in accordance with this procedure.

8.0 DDOCEDURE

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3.1 PREPARATION 8.1.1 Ensure that all of the prerequisites have been completed.

8.1.2 The outer insulation jacket of a multi-conductor cable may be removed to within 4 inches from its point of entry for bundling and routing ease.

Maintenance.oroceduro ME-4-809 Low Velttge Cont.ol Cable Revision i l

Terminations and Splices 8.1.2.1 Seal the cuter insulation jacket end with two laycrs of Okonite T-35 Jacke' ting tape er equivalent.

Weave between the individual conductors (if enough roce exists) and over the insulation jacket at least 1 inch.

8.1.2.2 Install the taped cable identification tag on the outer insula-tion of the stripped-back cable.

8.1 3 Sundle wi.es which have the same inner-panel routing together.

8.1 3.1 Sundle wires parallel to each other, not crossed or twisted.

8.1.3.2 Do not bury the wire identification tag in the bundle.

8.1.3.3 Secure the bundles with Ty-Wraps at least every 5 to 9 inches.

I 8.1.0 Support the bundle by securing it to the panel close to its entry point and/or elsewhere as needed for adequate support.

t 8.1.4.1 Use panel wire trays or, troughs, where so equipped, for wire i

bundling.

NOTE Do not exceed the minimum bend radius of four times the conductor or bundle diameter.

8.1.5 Shape the wire bundle or individual conductors so as to present a neat, uniform appearance and so as not to interfere with panel components, movable parts, etc.

8.1.5.1 Sundles shall be shaped vertically down the sides of the panels.

Horizontal shaping is permitted where necessary if space allows.

8.1.5.2 Where wiring must pass from inside the panel to components on the panel door, shape the bundle with a drop loop to provide slack so as not to strain or pinch the wires with the docr open or closed.

Use sleeving material to guard against abrasion.

5

Maintenance Proceduro ME-4-809 Low Voltage Contrcl Cable Revision 1 Ter=inations and Splices 8.1.5.3 Sundling, snaping or securing cust be acco=plished so as not to apply any force, in any direction, on the ter=1 nation.

8.1.6 Install the dog-tag type plastic cable identification tag around all the conductors of each bundle with a Ty-Wrap, as close as practical to where the conductors are separated (fanned out) for individual routing.

8.1.6.1 Deter =ine the proper conductor length by routing the wire to its termination point.

Add enough slack (at least three terminal 4

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lengths) to allow for possible future retermination; to produce no force on the termination; and to present a neat, rounded appearance.

8.2 CRIMPING 8.2.1 Using a =echanical wire stripper, remove the required amount of insulation as indicated in Attachment 10.6, taking care not to nick or cut the wire strands.

8.2.2 Select the correct ratchet-type crimping tool as indicated in At-tachment 10.6.

B.2.3 Select the correct size terminal lug / splice as indicated in At-tact =ent 10.6.

8.2.4 Crimp the terminal lug / splice, ensuring that the completed crimp meets the criteria indicated in Attachment 10.2.

8.2.5 Where terminals require a bare wire (no terminal lug), termination strip the wire slightly longer than the terminal requires to preclude clamping the insulation under the terminal screw.

8.2.6 Attach any required wire identification markers.

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Maintentr.co ProcGdure ME 4-809 Low Vcltage Control Cable Revision 1 Ter=1 nations and Splices 8.3 TERMINATION / INSULATION 8.3.1 Attach the ter=inal lug / wire to its ter=ination point, ensuring that any wire identification used is visible.

8.3.2 Tighten the ter=inal screw securely.

S.3 3 Ter=inate foil-wrapped cable shields as indicated in Attachment 10 3 8.3.4 Ter=inate single-wire shield coaxial cable as indicated in At-tach =ent 10.4.

8.3.5 Ter=inate double-wire shield coaxial cable as indicated in At-tact =ent 10.5.

8.3.6 Record all ter=1 nations on Attach =ent 10.1, Low Voltage Control Cable Ter=ination Data Record For=.

NOTE Use radiation-resistant heat shrink tubing on all splices if tubing is available; if no tubing is available, use the hand-taping

=ethod shown on Attach =ent 10.7.

8.3.7 If the ter=ination is a ring lug splice, securely fasten the con-nection together using silicone bronze fasteners and tape in ac-cordance with Attach =ent 10 7 9.0 SETDOINTS NONE 10.0 A*TACMMENTS 10.1 Low Voltage Control Cable Termination Data Recced For:

10.2 PIDG Cri=p Acceptance Criteria Chart 7

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Mair.tenanco Proceduro ME 4-809 Low Vcitage Control Cable Revision 1 Terminations and Splices 10.3 Methods of Groundi.ng Foil Shields Diagrams i

10.4 Singic Wire Shield Coaxial Termination Diagram 10.5 Double Wire Shield Coaxial Termination Diagram 10.6 Amp PIDG Terminal Lug and Splices Reference Chart 10.7 Insulating Ring Lug Splices 11.0 Couvrtweives inn eergeenegg e

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AMP Tarsinal Lugs sad Splices shall be crimped with AMP crimpers only.

I 2.

Natural color of the insulated Terminal lug or Splice indicates Radiation Resistant.

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AMP P!DG Esavy Duty Terminal Lugs may be shaved to fit j

regular size terminal blocks. See LOU-1564 8288 (FCR E-2110)

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