If oxygen is stored or used on the premises, the following must apply in addition to other codes and regulations:

1. (1) Electrical equipment used in oxygen-enriched environments must be properly designed for use with oxygen and should be labeled for use with oxygen; and
2. (2) "No smoking" signs must be posted where oxygen is being administered.

[Statutory Authority: RCW 70.127.120 and 43.70.250. WSR 18-06-093, § 246-335-750, filed 3/6/18, effective 4/6/18.]