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bobkbb10 08-15-2012 07:24 PM

Wiring Sub Panel
 
I have a 240 volt power supply. I'm installing a 100amp sub panel. I only need 120 volts out of the panel. How do i wire the 240 volt power supply in the homelite sub panel and have 120 volts at the breakers?:(

MisterZ 08-15-2012 08:22 PM

Do you understand how 120/240 works?
IMO if you need to ask such questions, perhaps you should call a pro;)

Maybe im just reading the question wrong. Please explain more.

andrew79 08-15-2012 08:26 PM

You require two hots a neutral and a ground at the new panel location.

Is the subpanel located in the same building. What size wire did you run? Need more info.

LooseSCruz 08-15-2012 09:59 PM

Quote:

Originally Posted by bobkbb10 (Post 989664)
I have a 240 volt power supply. I'm installing a 100amp sub panel. I only need 120 volts out of the panel. How do i wire the 240 volt power supply in the homelite sub panel and have 120 volts at the breakers?:(

The 240v supply is divided across the two phases in the sub panel, each of which measures 120v from phase to neutral. A standard single pole circuit breaker connects to only one phase and, therefore, supplies 120v.

That said, if your understanding of electricity is very basic, a sub panel is probably not the job to cut your teeth on. I would, as others have recommended, call an electrician to help you out. And I can't emphasize enough that I don't mean that as an insult I'm just concerned about ya safety wise. :thumbsup:


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