WAC 296-78-730. Electrical service and equipment

(1) Electrical service and equipment must be constructed, maintained, inspected and operated according to chapter 296-24 WAC, General safety and health standards, Part L, and WAC 296-800-280 of the safety and health core rules. (2) Repairs. Electrical repairs must be made only by authorized and qualified personnel. (3) Identification. Marks of identification on electrical equipment must be clearly visible. (4) Protective equipment. Rubber protective equipment must be provided as required by WAC 296-800-160 of the safety and health core rules. (5) Open switches. Before working on electrical equipment, switches must be open and must be locked out. (6) Concealed conductors. Where electrical conductors are known to be concealed, no work must be performed until such conductors are located. (7) Overload relays. Overload relays must be reset by authorized qualified personnel only. (8) Passageways to panels. Passageways to switch centers or panels must be kept free from obstruction at all times. Not less than three feet of clear space must be maintained in front of switch centers or panels at all times. (9) Bridging fuses. Fuses must not be doubled or bridged.