5 training of power cable terminal preparation (01 august 2006)

Internal 01 August 2006 Training of Power Cable Terminal Preparation Course No : EQA CM 001 Composer : Engineering Quality Dept HUAWEI TECHNOLOGIES CO., LTD All rights reserved www.huawei.com Chapter Preparation of OT Terminal Chapter Preparation of Cold End Terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Tools  Prepare the following tools: Power cable crimper, power cable, insulation tape, paper knife, cable cutter, and OT terminal Power cable crimpe r OT termin al HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Stripping Step 1: Use the paper knife to strip off the insulation skin of the power cable (Note: The length of exposed conductor must be one to two millimeters longer than the tube of the OT terminal.) HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Sheathing Step 2: Sheath the power cable with the OT terminal (Note: The length of exposed conductor must be one to two millimeters longer than the tube of OT terminal.) HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Crimping Step 3: Use the power cable crimper to crimp the OT terminal onto the power cable (Note: Generally you need to crimp twice to ensure that the OT terminal is crimped reliably.) HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Wrapping Step 4: Wrap the well-crimped OT terminal with insulation tape Requirement: The lugs and naked wires of the power cable and ground cable must be wrapped with tubes or insulation tapes No copper wire can be exposed at the lug or terminal Installation order of the flat washer and spring washer must be correct (Note: The length of the insulation tape wrapped on the conductor cannot be too long Otherwise, the terminal cannot be in good contact upon installation.) HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page End of Preparation of OT Terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Chapter Preparation of OT Terminal Chapter Preparation of Cold End Terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Tools Prepare the following tools: Power cable crimper, power cable, insulation tape, paper knife, cable cutter, and cold end terminal cold end terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 10 Stripping Step 1: Use the paper knife to strip off the insulation skin (Note: When stripping the insulation skin of the power cable, you need to strip 12 to 15mm more of the external water-proof layer than the inner fire-proof layer.) HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 11 Sheathing Step 2: Sheath the power cable with the cold end terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 12 Crimping Step 3: Use the power cable crimper to crimp the cold end terminal onto the power cable and then use the cable cutter to trim off the extruding conductor of the power cable on the cold end terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 13 Thank You www.huawei.com ...Chapter Preparation of OT Terminal Chapter Preparation of Cold End Terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Tools  Prepare the following tools: Power cable crimper, power cable, ... rights reserved Page End of Preparation of OT Terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Chapter Preparation of OT Terminal Chapter Preparation of Cold End Terminal HUAWEI TECHNOLOGIES... the power cable with the cold end terminal HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 12 Crimping Step 3: Use the power cable crimper to crimp the cold end terminal onto the power cable