WAC 296-32-23512. Cable fault locating and testing

(1) Employees involved in cable fault locating and testing must be instructed in the precautions necessary for their own safety and the safety of other employees. (2) Before voltage is applied to equipment not isolated, all possible precautions must be taken to ensure that no employee can make contact with the energized conductors under test. (3) Only trained and authorized personnel must repair and test medium and high voltage equipment.