WAC 296-870-50015. Electrical

(1) You must make sure electrical wiring and equipment meets the requirements of the National Electric Code, NFPA 70-1987, ANSI C1-1987, except as modified by ANSI A120.1-1970 American National Standard Safety Requirements for Powered Platforms for Exterior Building Maintenance. (2) You must make sure runway conductor systems are: (a) Designed for use in exterior locations; and (b) Located to prevent contact with water or accumulated snow. (3) You must make sure conductors, collectors, and disconnecting means meet the requirements for cranes and hoists in Article 610 of the National Electrical Code, NFPA 70-1987, ANSI C1-1987. (4) You must make sure the power conductors are paralleled by a grounded conductor that meets both of the following: (a) It cannot be opened by the disconnecting means; and (b) The system is designed to not pose a hazard to persons in the area.