All smoke detection devices shall be designed and manufactured in conformance with the requirements of Underwriters Laboratories, Inc. Standard UL 217 or International Conference of Building Officials Standard 43-6, and shall be approved or listed for the purposes for which they are intended.
[Statutory Authority: RCW
48.48.140. WSR 81-04-058 (Order FM 81-2), § 212-10-025, filed 2/4/81.]