Wash. Admin. Code § 296-46B-600
001 Electrical signs - General.
(5) Retrofitting signs. When listed signs or listed outline lighting are retrofitted to an LED light source, a licensed (01) general electrical contractor or (04) sign contractor using properly certified individuals or properly supervised trainees may make the retrofit in place so long as all the retrofit components and retrofit kit are listed and installation instructions applicable to the sign for making the retrofit are available for the inspector's use at the time of the inspection and physical access is provided to allow the inspector access to all components of the retrofit kit.
004 Markings.
(6) In addition to the markings required by the NEC, retrofit signs and outline lighting shall be marked with a label, made of a background color contrasting to the listed product, in a location visible during servicing near the listed retrofit subassembly that states, "This equipment contains a retrofit subassembly that may present a risk of electrical hazard. Replace parts only with same type and rating." The label's font must be Arial size 16 bold. This label may be an identification plate as described in WAC 296-46B-100 or an adhesive label approved by the electrical inspector. This label is in addition to any labeling required by the manufacturer's instructions or the UL Standard used to manufacture the retrofit kit.
007 Grounding and bonding.
(7) Remote metal parts of a section sign or outline lighting system only supplied by a remote Class 2 power supply that is listed or is a recognized component in a listed section sign or outline lighting is not required to be bonded to an equipment grounding conductor.
010 Portable or mobile outdoor electrical signs.
(10) All portable outdoor electrical signs must be listed by a qualified electrical testing laboratory accredited by the department.
030 Neon tubing.
[Statutory Authority: Chapter 19.28 RCW, RCW 19.28.031 and 19.28.251. WSR 24-05-085, § 296-46B-600, filed 2/21/24, effective 4/1/24; WSR 19-15-117, § 296-46B-600, filed 7/23/19, effective 8/23/19. Statutory Authority: Chapter 19.28 RCW, RCW 19.28.010 and 19.28.031. WSR 17-12-021, § 296-46B-600, filed 5/30/17, effective 7/1/17. Statutory Authority: Chapter 19.28 RCW. WSR 14-11-075, § 296-46B-600, filed 5/20/14, effective 7/1/14; WSR 13-03-128, § 296-46B-600, filed 1/22/13, effective 3/1/13. Statutory Authority: RCW 19.28.006, 19.28.010, 19.28.031, 19.28.041, 19.28.061, 19.28.101, 19.28.131, 19.28.161, 19.28.171, 19.28.191, 19.28.201, 19.28.211, 19.28.241, 19.28.251, 19.28.281, 19.28.311, 19.28.321, 19.28.400, 19.28.420, 19.28.490, 19.28.551. WSR 08-24-048, § 296-46B-600, filed 11/25/08, effective 12/31/08. Statutory Authority: RCW 19.28.006, 19.28.010, 19.28.031, 19.28.041, 19.28.061, 19.28.101, 19.28.131, 19.28.161, 19.28.171, 19.28.191, 19.28.201, 19.28.211, 19.28.241, 19.28.251, 19.28.271, 19.28.311, 19.28.321, 19.28.400, 19.28.420, 19.28.490, 19.28.551, 2002 c 249, chapters 34.05 and 19.28 RCW. WSR 03-09-111, § 296-46B-600, filed 4/22/03, effective 5/23/03.]