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The power sources for use with fire alarm circuits shall be either power limited or nonpower limited as follows:
(a) The power source of nonpower-limited fire alarm (NPLFA) circuits shall have an output voltage of not more than 600 volts, nominal; and
(b) The power source for a power-limited fire alarm (PLFA) circuit shall be listed equipment marked as a PLFA power source.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. New section filed 5-5-2008; operative 5-5-2008. Submitted to OAL for printing only pursuant to Labor Code 142.3(a)(3) (Register 2008, No. 19).