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The white wire in a 240 circuit may be hot depending on exactly how it was wired. There are 2 120V circuits in a 240 v circuit and if all the electrician had was a cable with black and white then he very well may have used white as the other hot wire leaving 2 hot wires and no neutral. If a separate neutral was not run for the 240 circuit then a new cable may have to be pulled from the breaker panel that has a neutral. If you have the skills with a meter, you can check. If you are going to do this work yourself make sure that you shut off the main disconnect to the electrical panel and just use a flashlight to see the work you have to do. That said, it is common practice to use a two wire to feed wall heaters. You will find that the two wires are fed from a 2 pole breaker. Keep in mind that there should not be any other heaters on the circuit, if there is the other heaters will not work. In the electrical panel the white wire has to be taken off the 2 pole breaker and terminated onto the neutral buss. The other wire on the 2 pole breaker should be taken off and put into a single pole 15 amp breaker. Now on the receptacle end white wire to the silver coloured screw and black coloured wire to the brass screw.

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15y ago
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1mo ago

No, the white wire is typically the neutral wire in a 240-volt system. In this case, the black wire is typically the hot wire that carries the current. It's important to verify the wiring with a voltage tester before connecting the wires to the receptacle to ensure proper installation.

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13y ago

No, the white wire is neutral It depends on how many wires you have. If you have just a black and white, the white is hot. If you have a black, red, white, the white is the neutral

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Q: You disconnected a 240 volt wall heater now connecting the wire to a receptacle Is white wire hot in that case?
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Connect the white wire from the European oven to the white wire in the US receptacle. Connect the black wire from the European oven to the black wire in the US receptacle. Connect the green wire from the European oven to the bare wire in the US receptacle. The green wire serves as the ground wire since you don't have a separate ground wire in the US receptacle.


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To convert a 220-volt outlet to a 110-volt outlet, you would need to reconfigure the wiring at the circuit breaker panel by connecting the outlet to a different circuit. It's important to consult a qualified electrician to ensure the proper voltage conversion is done safely and in compliance with local electrical codes to avoid any hazards or damage to electrical components.


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