WAC 296-52-70085
WAC 296-52-70085. Lighting
(1) Battery activated safety lights or lanterns may be used in explosive storage magazines.
(2) National Fire Protection Association (NFPA) Standards.
(a) Electric lighting used in an explosive storage magazine must meet National Electric Code (NEC) standards (NFPA 70-1992) for all magazine conditions.
(b) All electrical switches must:
(i) Be located outside the magazine;
(ii) Meet NEC standards.