Section 561.1 - Classification and Rating System(a) The classification and rating system described in these regulations is that of ANSI/UL Standard 711, and is based on extinguishing preplanned fires of the determined size and description as follows: (1) CLASS A RATING. Wood and excelsior.(2) CLASS B RATING. Two-in. (5.1-cm) depth n-heptane fires in square pans.(3) CLASS C RATING. No fire test. Agent must be a nonconductor of electricity.(4) CLASS D RATING. Special tests on specific combustible metal fires.(5) CLASS K RATING. Special tests on cooking appliances using combustible cooking media (vegetable or animal oils and fats).Cal. Code Regs. Tit. 19, § 561.1
1. New section filed 3-4-92; operative 4-3-92 (Register 92, No. 15).
2. New subsection (a)(5) filed 12-27-2001; operative 1-1-2002 pursuant to Government Code section 11343.4 (Register 2001, No. 52). Note: Authority: Section 13160, Health and Safety Code. Reference: Section 13160, Health and Safety Code.
1. New section filed 3-4-92; operative 4-3-92 (Register 92, No. 15).
2. New subsection (a)(5) filed 12-27-2001; operative 1-1-2002 pursuant to Government Code section 11343.4 (Register 2001, No. 52).