Posts Tagged ‘ 24 vac power supply’  24 Vac Power Supply
Written By: Tuesday, November 1st, 2011  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).  Even though in the
security camera industry today we basically only have two power
choices from which to choose, there are a few options for power
that will greatly affect your decision in the buying process.
With video being integrated into many aspects of our daily lives
such as phones, access control, and even mobile usage it is easy
to get confused about your power source. Traditionally, CCTV
cameras were 24V ac, but about 15 years ago 12V DC cameras
started to become popular due to their low c