Learn what OSHA requires for temporary wiring on construction sites, from grounding and GFCI protection to overhead clearances and employer liability. These federal rules, enforced by. Although BS 7671 touches on the subject of cable supports, it does not detail specifically what these support distances should be. 8 (Other Mechanical Stresses (AJ)) in that document provides requirements for cable support. Clause 522-08-04 Where conductors or cables are not supported. These regulations place a requirement on every employer to assess every work activity in order to identify any hazard that employees or any other person might encounter as a result of the work being carried out. HSE document INDG 163 gives advice on these regulations. The. association representing the major electrical equipment manufac-turers in the U. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. BS 7909:2008 separates the requirements into two areas - small/simple events and activities requiring up to 6 kVA and Large/complex events and activities requiring in excess of 6 kVA. To summarise, the table shown above indicates which standard applies to the type of temporary electrical.
