Page 324 - CITS - Electrician - Trade Practical
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ELECTRICIAN - CITS
4 Termination joint
TASK 3: Join 11 kV XLPE cable
1 Identify the accessories
• Crimping type jointing ferrule.
• Self amalgamating insulating tapes.
• Self amalgamating semiconducting tapes.
• Non-linear stress grading pads.
• Earthing connector and clamps.
• Plastic mould and jointing compound etc.
2 Cut the given cable to half, Strip the outer sheath, armour and inner sheath, insulation screen, core insulation
and conductor screen.
3 Joint all the conductor cores shall be joint with the help of jointing ferrule and its crimping by suiTable crimping
tool.
4 Fill up the space between the ferrule and the core insulation and the crimped portion in ferrule with semi
conducting tape, so that it forms a smooth and round profile with 2 mm. Overlap on the insulation on each side
of the ferrule as shown in Figure given below.
5 Apply stress grading pad of 30mm on both sides of the semiconducting for a distance of 20 mm tape.
307
CITS : Power - Electrician & Wireman - Exercise 111