Elastimold 756/776LR Manuel utilisateur

IS---0465

IS---756LR

October 2008

Page 1 of 5

Installation Instructions

756/776LR

Deadbreak Elbow Connectors

CONTENTS: Elbow, Cable Adapter, Compression Lug, Insulating Plug, Crimp connector, Lubricant, Stud Prepack,

Installation Instructions, Crimp chart.

The 756/776LR connectors are designed to: 1) provide fully shielded, fully submersible deadfront cable connections to high

voltage apparatus and 2) provide a means to splice and tap 600--ampere (756LR) or 900--ampere (776LR) systems. The

connectors are rated for use on 35kV class systems.

DANGER

All apparatus must be de--energized during installation

or removal of part(s). For loadbreak products follow

operating instructions. All deadbreak connectors must

be de--energized before operating. All 200A deadbreak

connectors must be mechanically secured with bails

when connected.

All apparatus must be installed and operated in

accordance with individual user, local, and national

work rules. These instructions do not attempt to

provide for every possible contingency.

Do not touch or move energized products.

Excess distortion of the assembled product may result

in its failure.

Inspect parts for damage, rating and compatibility with

mating parts.

This product should be installed only by competent

personnel trained in good safety practices involving

high voltage electrical equipment. These instructions

are not intended as a substitute for adequate training or

experience in such safety practices.

Failure to follow these instructions will result in

damage to the product and serious or fatal injury.

If this product is supplied with a protective shipping

cover(s), remove this shipping cover(s) and replace

with the appropriate HV insulated cap(s) or

connector(s) before submerging or energizing the

circuit.

FOR MORE INFORMATION ON PARTS, INSTALLATION RATINGS AND COMPATIBILITY, CALL THE NEAREST ELASTIMOLD OFFICE.

IMPORTANT

1. Check contents of package to ensure they are complete

and undamaged.

2. Check all components to ensure proper fit with cable

and/or mating products.

3. Read entire installation instructions before starting.

4. Have all required tools at hand and maintain cleanliness

throughout the procedure.

ASSEMBLED ELBOW

Voltage Test Point

GENERAL INSTRUCTIONS

STEP 1

Position the cable so it is located in the final assembled position with enough slack to provide adequate clearance for removing

the elbows. Cut the cable 1--3/4” (45mm) from center line of the mating product.

600---ampere

Mating Product

1---3/4” (45mm)

Concentric Neutral Wires

(Where Applicable)

IS---0465

IS---756LR

October 2008

Printed in U.S.A. 8155 T&B Boulevard, Memphis, Tennessee 38125

(800) 888--0211 Fax: (800) 888--0690

IS---0465

October 2008

Page 2 of 5

STEP 2

Clean the outer jacket of the cable a distance of 24” (610mm).

STEP 3 CABLE PREPARATION NOTE: Follow the STEPS A, B or C that apply to the cable being prepared.

If a 20MA or 21MA grounding device or 600ECS Jacket Cable Seal is being used, refer to the Installation Instructions supplied

with those products for removal of cable outer jacket, shield connection and grounding.

B. UNISHIELD* AND LEAD SHEATH CABLE

For UNISHIELD* or LEAD SHEATH cable a 10TL cable shield adapter is required. Refer to the Installation Instructions

supplied with the 10TL cable shield adapter for cable preparation.

*Unishield is a registered Trade Mark of ANACONDA WIRE and CABLE COMPANY.

C. JACKETED AND NON--JACKETED CABLE

Remove the outer jacket (where applicable) and prepare cable as shown.

1. NON--JACKETED CONCENTRIC

NEUTRAL WIRES

Cable Insulation

10---5/8”(270mm)

11---5/8”(295mm)

S e m i --- c o n S h i e l d

Ta p e M a r k e r

13---5/8”(340mm)

Bind

2. JACKETED SHIELD WIRES

Shield Wires

Cable Insulation

S e m i --- c o n S h i e l d

Outer

Jacket

Ta p e M a r k e r

10---5/8”(270mm)

11---5/8”(295mm)

13---5/8”(340mm)

3. JACKETED FLAT METALLIC

TAPE SHIELD

Flat Metallic Tape Shield

and Vinyl Tape Location

Flat Metallic

Ta p e S h i e ld

Cable Insulation

S e m i --- c o n S h i e l d

Outer

Jacket

Ta p e M a r k e r

10---5/8”(270mm)

11---5/8”(295mm)

13---5/8”(340mm)

4. JACKETED FABRIC TAPE SHIELD

Fabric Tape

Shield

Cable Insulation

Outer

Jacket

Ta p e M a r k e r

Ta p e R e t a i n e r

10---5/8”(270mm)

11---5/8”(295mm)

13---5/8”(340mm)

5. JACKETED LONGITUDINALLY

CORRUGATED SHIELD

Flush

Ta p e M a r k e r

Longitudinally

Corrugated Shield

Cable Insulation

S e m i --- c o n S h i e l d

Outer

Jacket

10---5/8”(270mm)

11---5/8”(295mm)

13---5/8”(340mm)

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October 2008

Page 3 of 5

STEP 4 CABLE ADAPTER

Bevel the end of the cable insulation at a 45_angle, approximately 1/4” (6mm) back. Thoroughly clean, then lubricate cable

insulation always working toward semi--con shield. Install cable adapter, small end first, until it is flush with the edge of the tape

marker.

Cable Adapter

Lubricate

Ta p e M a r k e r

Edge Cable Insulation Bevel

Clean and

STEP 5 CONDUCTOR

Remove the protruding cable insulation by cutting it even

with the end of the cable adapter. Do not cut or nick the cable

adapter or the conductor. The length of exposed conductor

should be between 4--5/8”to5”(117mm--127mm).

Otherwise redo assembly.

4---5/8” to 5”

(117mm---127mm)

Even with Cable Adapter

Bare Conductor

Adapter

STEP 6 COMPRESSION LUG

Copper Conductor: Fully insert conductor into compression Lug.

Aluminum Conductor:Wire brush conductor and immediately fully insert conductor into compression lug.

Measure the “Check Dimension” before crimping. This

dimension should be less than 6--7/8” (175mm) otherwise

redo assembly. Crimp the compression lug following the

crimping instructions supplied with the lug. Wipe all excess

inhibitor from compression lug and cable adapter surface

after crimping. The distance from the end of the

compression lug to the cable adapter after crimping should

be between 6--7/8” to 7--5/8” (175mm--194mm). Otherwise

redo assembly.

Cable

Adapter

Compression Lug

Locate First Crimp

on this end

6---7/8” to 7---5/8”

(171mm---194mm)

After Crimping

Check Dimension

Before Crimping

STEP 7 ELBOW

Lubricate cable adapter and inside of elbow cable entrance.

Install elbow onto cable adapter until the elbow can not

advance further. Make sure cable adapter is still flush with

tape marker. If not, reposition cable adapter. Remove tape

marker.

Lubricate

Ta p e M a r k e r

Flush

Cable

Adapter

Elbow

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October 2008

Page 4 of 5

STEP 8 MATING PRODUCTS

DO NOT CONNECT OR DISCONNECT MATING PRODUCTS WHILE ENERGIZED.

DO NOT ENERGIZE WHILE DISCONNECTED.

Remove protective caps from the elbow and the mating part. Hand tighten the threaded stud supplied with the elbow into

mating part, if the mating part is not equipped with a stud. Clean and lubricate both the elbow and the mating part with lubricant

supplied. (Keep surfaces of elbow and mating part clean.)

Clean

Lubricate

Connector Plug

Insulating

Plug

Apparatus

Bushing

Threaded

Stud

Clean

Lubricate

Clean and

Lubricate

Elbow Tap Plug

STEP 9

Push elbow onto mating part, lining up the hole in the

compression lug with the stud on the mating part.

STEP 10

Clean and lubricate the mating part for the opposite end of

the elbow. Insert the mating part into the elbow. Engage the

threads and hand tighten. Torque mating part according to

the instructions supplied with the mating part.

Connector

Plug Basic

Insulating

Plug

Clean

Lubricate

Clean & Lubricate

Clean

Lubricate

Elbow

Ta p P lu g

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October 2008

Page 5 of 5

STEP 11

If an insulating plug is used as a mating part, clean and

lubricate inner surface of the voltage detection cap and

place on elbow. Push down hard until cap snaps into place.

CAUTION: The insulating plug provides a means for

detecting system voltage. Follow VOLTAGE TEST

directions below.

Clean &

Lubricate

Capacitive Test Points

STEP 12

Insert one end of a piece of wire with ampacity at least

equivalent to No. 14 AWG Copper through the grounding

eye and twist to make a small loop. Do Not damage the eye.

Connect wire to ground using a suitable connector.

The shield of the cable must be grounded. Ground

according to the instructions supplied with the grounding

device. If no grounding device is used, the shield must be

grounded through an alternate method.

It is also recommended that the jacket of the cable be

waterproofed at this point to prevent moisture from entering

the cable.

To Ground

Ground Eye

Connection Wire

STEP 13

CAUTION: When constructing 600amp L--Kits be sure to tighten each component to specified torque per instructions

provided with plug connectors.

VOLTAGE TEST

ELASTIMOLD connectors equipped with an integral capacitance test point can be used to establish whether or not the

circuit is energized. When using the test point, complete the following steps:

1. Remove test point cap with a hotstick. When removing cap, PEEL OFF AT AN ANGLE rather than pulling directly in line

with the test point assembly.

2. WARNING: THE VOLTAGE TEST POINT IS A CAPACITANCE DEVICE, IT IS NOT DIRECTLY CONNECTED TO THE

CONDUCTOR. Do not use conventional voltage measuring equipment. Follow the manufacturer’s directions for the

meter that is used. Test with a suitable sensing device, made for use with separable connectors manufactured with

capacitive test points, to determine if cable is energized. Contamination, moisture, dirt, etc. around the test point or use

of the wrong measuring equipment can provide a false “no voltage” indication on an energized elbow. To prevent

serious or fatal injury treat the elbow as energized until the “no voltage” test point indication is confirmed by other means.

3. After voltage detection has been made, clean and lubricate the inside surface of the cap with silicone grease and

replace it on the test point.

8155 T&B Boulevard, Memphis, Tennessee 38125

(800) 888--0211 Fax: (800) 888--0690

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