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Overcurrent devices cannot be doubled up for higher voltages.

You need breaker designed for 220V. While you are technically correct, you need the 220V breaker because it is designed so that you always get 220V from the two phases (as opposed to 0V from one phase) and so both "breakers," so to speak, always trip together. Don't just use two 110V breakers you have lying around, it is not safe.

The approved method is to obtain a 2 pole breaker of the right amperage to run your 240 volt appliance. Also approved but not used as much is a common tie bar that incorporates the two breaker toggle handles into one. The reason for this is safety, if just one breaker trips there will still be 120 volts to ground on the un- tripped breaker. Anyone working on the appliance thinking that the power was off could get a severe shock. This holds true also with switches to turn off 240 volt loads, don't just use a single pole (SPST) switch which just shuts off one leg, use a double pole single throw (DPST) switch which isolates the load completely.

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โˆ™ 2015-07-16 19:31:01
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Q: If you have 240V going to a panel can you wire two 120V breakers for a 240V appliance?
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Related questions

What happens if you plug a 120V appliance into a 240V outlet?

You will burn up your appliance!!!!!


Can 120V appliance work with 220V?

120V appliance will not work on 220V. Use an instrument transformer or voltage regulator to adjust the high voltage to the desired level.


How do you plug a 120V appliance into an outlet wired for a 240V?

you get an adapter


In a home has 120v service there is an electric appliance that a risistance of 12 how much power will this appliance consume?

1440 Watts


How single phase 208 works without a neutral?

The potential of 208 volts is a three phase voltage. On a three phase distribution panel you can obtain 208 volts from any two adjacent breakers, just like 240 volts on a single phase panel. L1 - L2 = 208V, L2 - L3 = 208V, L3 - L1 = 208V. L1 - N = 120V, L2 - N =120V, L3 - N = 120V. 208V/1.73 = 120V.


Can you plug a 120v appliance in a 115v outlet?

Yes, no problem at all.


In a home that has 120 Volt service there is an electric appliance that has a resistance of 12 ohms How much power will this appliance consume in watts?

120V / 12 ohms = 10amps. 120V * 10amps = 1200 Watts.


Can you use a 125V appliance in a 120V outlet?

No problem what so ever. The 125 volt rating on the appliance is the maximum amount of voltage that is recommended for the appliance. This recommendation is set by the manufacturer of the appliance.


Will a 120V appliance work on a 115V outlet?

Yes. It's functionally the same.


Do you have 120 volts or 240 volts if you tie two 120 volt lines together?

Do you mean tying two breakers together or tying two 120v wire together. You can tie two breakers together with a breaker tie bar if they are each on seperate legs of the panel and yes you will then have 240. If you are talking about tying 2 120v WIRES together BE CAREFUL! If those two wires come from different 120v legs of the panel you will have a direct short and a pretty serious spark to put it mildly. You should only tie 2 120v wires together that are on the same circuit. And you'll still have 120 at that point


What is the normal voltage of house clectricity in the US?

120v or 240v. 120v is one leg of the main panel, and 240 is two legs of the main panel. 120v is lights,outlets. 240v, dryer,stove.


How do you change 120v appliances into 240v appliances?

You don't unless it shows a dual rating on the appliance.

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