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November 1, 2011

24 Vac Power Supply

There are several different types of CCTV (Closed Circuit TeleVision) power supplies. Currently in the digital video security industry there are two basic types of power that are used; 1.) 24 Vac and 2.) 12 v DC. Most digital video cameras utilize a low-voltage power supply so there are not as many potentially dangerous factors to be concerned about as there is if they used full household Alternating Current (AC).