The fastening of the pulling rope to the cable must be undertaken with care to avoid losing the cable on the way. Cable preparation and pulling procedure best practices. Back strain, cuts, high pulling tension recoil, carrying wire on shoulders, provide nolube lowfriction wire. This instruction manual is a stepbystep guide for end. Cable installation manual for power and general cable. Although project design specifications typically state the maximum number of bends allowed in raceways and recommend using only approved pulling lubricants the raceway installation and cable pulling tasks are the means and methods of a project, defined by applicable building codes and manufacturer installation requirements. Cable pulling if it is not done properly may cause damages to the outer sheath of the cables, this leading, sooner or later, to a fault in the cable. The checklists are intended to help inspectors keep track of the numerous aspects of an electrical installation. Wire installation safety national electrical contractors. For single core cables trefoil arrangement is the most advised method.
Underground cable installation manual western power. This manual provides installation information for power and control cables for industrial. Rope is a very critical link in the cable pulling system. Manual or motordriven megohm meters are available for a range of fixed dc volt. No electric field emanates from underground cables. The color green for manual and poweroperated cable pullers is a. Scope of this method statement covers the following activities. Take reasonable precautions to prevent damage to the cable from severe blows with sharp instruments and pulling over sharp objects. The following is a recommended procedure for calculating installation parameters for. Nec defines process for calculating wire size based on current, voltage. Direct in the ground in trenches underground cables.
Grasp the pulling eye in one hand gloves are recommended and smooth out the mesh with the other, tightening the wires. Cable preparation and pulling procedure best practices for. Southwire companys power cable installation guide provides installation information. The cable is fed from the bottom of the reel so that its curvature is continuous with no reversed bends. In preparing for a cable pull, it is just as important to cover the. Hand feed cables around corners using large sweeping bends. The purpose of work procedure for cable pulling generating this method statement is to define the procedure step by step to implement the correct practice for laying the cable from substation to the location of newly assigned area.
Winches vary between telecommunications, power cables and. Pdf seb cable pulling and laying equipment catalogue size. Power failures and expensive replacement work are the result. Cable pulling if it is not done properly may cause damages to the outer sheath of. This pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. Do not pull cables around corners that have sharp edges, or other obstructions. The checklists are in pdf format and can be completed electronically or printed and used as hard copy. For telecommunications cables we recommend conductor pulling with a cable pulling head. Installation of power cables under tracks and elsewhere on railway property 19. For manual pulling in of the cable one thing that must be ensured is that the. A guideline for laying of cables and installation of sleeves.