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How do I wire a federal pioneer wall heater 240v with 2 wires there appears to be only 2 load wires to attach to and a bare ground where does a neutral conect to? Thanks Ross

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If you are certain that the heater has only two wires and that it is a 240 volt unit, here's what you do:
Bring in a 240 volt line.  There are three wires.  The red and black are the opposite phases and are each 120 volts above ground/neutral.  Connect them to the load wires.  If there is a neutral, connect that to the white wire, even if it is bare wire.  Bare wire and white are the same for all practical purposes.  If the unit has a fan, it will run on the neutral/white and one of the phases. Wire sizing is important.  Make sure you have a properly sized wire for the job Up to 20 Amps, use #12 wire.  If over 20 Amps rated, use #10.  Fuse appropriately.  
Make sure the power is off when doing this work!  240 will KILL YOU.

Posted on Nov 23, 2008

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