Cal. Code Regs. tit. 14 § 1747.4
Current through Register 2025 Notice Reg. No. 2, January 10, 2025
An auxiliary electrical power supply shall be installed to provide emergency power sufficient to operate all electrical equipment required to maintain safety of operation in the event the primary electrical power supply fails. The auxiliary system shall be tested weekly and the results recorded.
Cal. Code Regs. Tit. 14, § 1747.4