SC Burglar Alarm Practice Questions - South Carolina Burglar Alarm Contractor Examination Exam

A central-station burglar-alarm system differs from a local-only system because it:

Has no detection devices Cannot have a siren on the premises Transmits alarm, trouble, and often opening/closing signals to a constantly attended supervising station Must be powered only from 120-volt branch circuits with no battery

Correct Answer:

Transmits alarm, trouble, and often opening/closing signals to a constantly attended supervising station

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