When a 220 volt appliance such as an electric furnace is...

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Question by Scott_B_1960
Submitted on 1/19/2004
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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When a 220 volt appliance such as an electric furnace is connected to a subpanel, does the third wire (I am not sure if its proper to call the bare wire the ground or the neutral) get connected to the subpanel's nuetral bar or to the ground bar? Another similar question, can one subpanel feed a second subpanel? If "yes", I assume that the second subpanel's neutral and ground would also be separate, correct?

Answer by electrician
Submitted on 1/25/2004
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the bare wire is the ground wire, it should be connected to the ground bar. Yes, as long as your breakers and wire are the correct size.

Answer by riz khan
Submitted on 3/10/2004
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why neutral is connected why there is two wire in single phase wiring and why there is three wires in three phase wiring

Answer by roman
Submitted on 10/20/2004
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which wire is which on 220 3 wire

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