No laboratory engaged in the testing of unvented space heaters shall be approved by the state fire marshal unless the laboratory’s testing and approval criteria, at a minimum, conforms with Underwriters’ Laboratory Standard 647, "Standard for Unvented Kerosene-Fired Room Heaters and Portable Heaters", Edition 2, April 16, 2010, or ANSI Z21.11.2, "Gas Fired Room Heaters", 2013 edition, both available as noted in Appendix B.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Saf-C 6000) #13094, eff 8-25-20