K656LR-F2220

Frequently Asked Questions

How to Install Elastimold 655/675LR and K655/K675LR Deadbreak Elbow Connectors

This guide provides step-by-step instructions for the safe installation and initial setup of Elastimold 655/675LR and K655/K675LR deadbreak elbow connectors, including cable preparation, lug crimping, and connection to high voltage apparatus.

Estimated time: 1h 30m

1. De-energize and Prepare Work Area

   DANGER: Ensure all apparatus is de-energized before beginning installation or removal of any parts. Do not touch or move energized products in the work area. This product should be installed only by competent personnel trained in good safety practices involving high voltage electrical equipment. Assemble the cable in its final position with enough slack for elbow removal. For concentric neutral cable, unwind the concentric neutral wires. Cut the cable 1-3/4” (45mm) from the centerline of the mating product. Clean the outer surface of the cable a distance of 24” (610mm) or up to the bent back concentric neutral wires.

2. Prepare the Cable

   Prepare the cable according to its type (e.g., non-jacketed concentric neutral, jacketed shield wires, flat metallic tape shield, fabric tape shield, or longitudinally corrugated shield). Remove the outer jacket (if applicable) and follow the specific dimensions for cable insulation, semi-con shield, and tape marker as illustrated in the documentation. If using a 20MA or 21MA grounding device, 600ECS Jacket Cable Seal, or 10TL cable shield adapter, refer to their specific installation instructions for cable outer jacket removal, shield connection, and grounding.

3. Install Cable Adapter

   Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4” (6mm) back. Thoroughly clean and then lubricate the cable insulation, always working toward the semi-con shield. Install the cable adapter, small end first, until it is flush with the edge of the tape marker.

4. Prepare Conductor and Crimp Lug

   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 exposed conductor length must be between 4-1/4” to 4-9/16” (108mm-116mm); otherwise, redo the assembly. For copper conductors, fully insert the conductor into the compression lug. For aluminum conductors, wire brush the conductor and immediately fully insert it into the compression lug. Measure the “Check Dimension” before crimping (this dimension should be less than 6-3/8”); otherwise, redo the assembly. Crimp the compression lug following the crimping instructions supplied with the lug. Wipe all excess inhibitor from the 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 6-3/8” to 7-1/8” (162mm-181mm); otherwise, redo the assembly.

5. Install Elbow onto Cable Adapter

   Lubricate the cable adapter and the inside of the elbow cable entrance. Install the elbow onto the cable adapter until the elbow cannot advance further. Make sure the cable adapter is still flush with the tape marker; if not, reposition the cable adapter. Remove the tape marker.

6. Connect Elbow to Mating Product

   WARNING: DO NOT CONNECT OR DISCONNECT MATING PRODUCTS WHILE ENERGIZED. DO NOT ENERGIZEN WHILE DISCONNECTED. Remove protective caps from both the elbow and the mating part. Hand tighten the threaded stud supplied with the elbow into the mating part, if the mating part is not equipped with a stud. Clean and lubricate both the elbow and the mating part with the supplied lubricant, ensuring surfaces remain clean. Push the elbow onto the mating part, lining up the hole in the compression lug with the stud on the mating part. If connecting to the opposite end of the elbow, clean and lubricate that mating part, insert it into the elbow, engage the threads, and hand tighten. Torque the mating part according to the instructions supplied with the mating part. If an insulating plug is used as a mating part, clean and lubricate the inner surface of the voltage detection cap and place it on the elbow, pushing down hard until the cap snaps into place.

7. Ground the Cable Shield

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

8. Perform Voltage Test (if applicable)

   If performing a voltage test, remove the test point cap with a hotstick, peeling it off at an angle rather than pulling directly in line with the test point assembly. 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 the 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. After voltage detection has been made, clean and lubricate the inside surface of the cap with silicone lubricant and replace it on the test point.

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