120v/208v single phase appliance wiring

labman · Feb 24, 2005, 04:42 PM

If nobody here can give you the convention, check the generator. You should be able to identify the neutral and ground. Wire the white and green or bare to them. I am not sure if the black and red make any difference. If it does, it may be marked on the plug.

tkrussell · Feb 25, 2005, 02:09 PM

This is a simple fix. Look at the terminals on your twist lock plug. You will find 4 terminals, two brass colored, one silver/nickel colored, and one green.

The green wire of your cord goes to green terminal, the white wire goes to the "white" terminal, and the black and red each go to any one of the brass.

However, you mention the appliance is 208 volt, and the generator is "220" volt. I quote the 220 because standard voltage in USA is 240 volt. Check the genset to be sure of the voltage output. Then if it really is 240 volt, check your appliance to be sure it can handle 240 volt. You may need to call the manufacturer to be sure. Heating appliances are usually tolerant of higher voltage, but I always check to be sure there will not be any operational or safety problems.

Remember,you are dealing with a lethal energy source, better to be safe than sorry.

Kevin

120v/208v single phase appliance wiring

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