Nec defines process for calculating wire size based on current, voltage. 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. The checklists are intended to help inspectors keep track of the numerous aspects of an electrical installation. Southwire companys power cable installation guide provides installation information. Take reasonable precautions to prevent damage to the cable from severe blows with sharp instruments and pulling over sharp objects. No electric field emanates from underground cables. 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. Grasp the pulling eye in one hand gloves are recommended and smooth out the mesh with the other, tightening the wires.
For single core cables trefoil arrangement is the most advised method. This manual provides installation information for power and control cables for industrial. 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. Manual or motordriven megohm meters are available for a range of fixed dc volt. Winches vary between telecommunications, power cables and.
Cable installation manual for power and general cable. This method of laying cables into the ground tends to be used where the cables in. Hand feed cables around corners using large sweeping bends. Power failures and expensive replacement work are the result. Scope of this method statement covers the following activities. Do not pull cables around corners that have sharp edges, or other obstructions. Cable pulling if it is not done properly may cause damages to the outer sheath of. For manual pulling in of the cable one thing that must be ensured is that the. For telecommunications cables we recommend conductor pulling with a cable pulling head. A guideline for laying of cables and installation of sleeves. This pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists.
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. Pdf seb cable pulling and laying equipment catalogue size. Cable preparation and pulling procedure best practices. Ieee 3752 test procedure kinetic coefficient of friction tested at 300 lbft sidewall. The checklists are in pdf format and can be completed electronically or printed and used as hard copy. The fastening of the pulling rope to the cable must be undertaken with care to avoid losing the cable on the way. Installation of power cables under tracks and elsewhere on railway property 19. The color green for manual and poweroperated cable pullers is a.
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