Cal. Code Regs. tit. 19 § 757
Current through Register 2025 Notice Reg. No. 2, January 10, 2025
An open or ground in a detector circuit shall not cause an alarm signal, but shall cause an audible trouble signal if it prevents the normal operation of the alarm signal. This may be accomplished by the use of either a closed loop detector circuit or normally open contact detectors with end-of-line resistor or equivalent.
Cal. Code Regs. Tit. 19, § 757