§ 91.10 POWER SUPPLY.
   Such alarm systems shall be supplied with an uninterruptible power supply in such a manner that the failure or interruption of the normal utility electrical service will not activate the alarm system. The backup power supply shall be capable of at least four hours of operation.
('65 Code, § 4-10.14) (Ord. 242-C.S., passed - - ) Penalty, see § 10.99