AC means Alternating Current and DC means Direct Current. … For example: a 12V AC power supply has an alternating voltage (which will make an alternating current flow).

What is 12V DC used for?

Since these devices convert 12V DC power to AC power (the electricity from a standard wall plug), they can be used to run most electronic devices off car power. Whether you want to plug in a crockpot, dry your hair, or microwave a burrito in your car, you can do it with a car power inverter.

What is a 12V DC adapter?

The 12 Volt Power Adapter, also known as a “Brick”, “Desk Wart” and “Floor” supply, provide a regulated 12 Volts DC output. A 12 Volt Adapter Power Supply is enclosed in a plastic protective case that comes with either an attached AC cord, or a mating socket for one of the 3 common IEC cordsets.