# Is 120v AC the same as 12V?

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## Is 12V DC the same as 120V AC?

There are a few major differences between the two, one being 120V requires and electrical license and 12V in Texas does not. Also, 120V is the power that runs through your house, where 12V is dropped down from 120V using a transformer, and is much safer to work with that 120V, especially in your yard.

## Is 12 volts DC the same as AC?

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). An electrical signal is a voltage or current which conveys information, usually it means a voltage.

## Can I use a 120V AC switch for 12V DC?

The Square D line of QO breakers and QO load centers are rated for 120/240 Volts AC, and they also have a lower voltage DC rating. When used in DC branch circuits (circuits from the battery to the load) they can be used on 12 and 24 Volt battery systems.

## Will 120V work on 12V?

On the other hand if you plug a 120 volt bulb into a 12 volt fixture the bulb will not turn on, and vice-versa is you plug a 12 volt bulb in a 120 volt fixture the bulb will be permanently damaged.

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## Can I use 110v wire for 12v?

That’s a no-no. Break the Positive wire across the light switch and return the Negative wire to the negative side of the 12V source. Most modern dimmer switches don’t work on 12V.

## Can I use 12V AC instead of 12V DC?

simple measurement method: with a stylus pen (non-ordinary pen) on the wire foreskin, 12V AC will still show, 12V DC no display. 12V DC is safer than 12V AC. Body resistance decreased when the 12V AC still may cause the dead, 12V DC will not be in 100%.

## Is 120v AC or DC?

The power that is available at a wall socket in the United States is 120-volt, 60-cycle AC power. The big advantage that alternating current provides for the power grid is the fact that it is relatively easy to change the voltage of the power, using a device called a transformer.

## Is there a 12V AC?

Most RVs today are equipped with a 120V AC air conditioner that requires shore power, a generator or an inverter if running on batteries. However, it’s possible to reduce the power consumption by switching to a 12V RV air conditioner.

## Can you run 120V through a 12V relay?

Simply connection your controlling 12 V switch to the relay’s coil connection and then use the N.O. (normally open) contacts to break the hot side of your 120 VAC supply to the outlet. When you turn the switch on, the relay will close and the outlet will have power.

## Can I use a 24V switch for 12V?

Can I use your Non-Lighted Toggle and Rocker switches at 24V DC? Yes. If they are rated at 12V, you must reduce the amp rating by half to obtain the same durability.

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## Can I use AC switch for 12V DC?

Yes, an AC switch should be fine to control a few milliamperes of a relay coil. The relay is designed to switch high DC currents.