Electrical Wire


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Old 01-23-04, 11:18 PM
WHEELERBUFFY's Avatar
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Electrical Wire

can you please tell me the difference or the meaning of 2 conductor wire verus 3 conductor wire.
thanks for your advice.
 
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Old 01-24-04, 03:19 AM
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Cool

I'm not an electrician, so I can't tell you the technical answer, but the simple answer is 2-conductor wire has two insulated wires plus a bare ground wire (for hot-hot for 220v or hot-neutral for 110v), and 3-conductor wire has three insualted wires plus bare ground (for 3-way switches, power for 220v and 110v for hot-hot-neutral to a subpanel such as in a boathouse, etc.). At least that's my wiring use.
I'm sure that the pros here can give you a lot more info.
 
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Old 01-24-04, 05:47 AM
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You said it well enough old guy! 12-2 romex will have a black, a white, and a bare copper conductor. 12-3 will have a red, a white, a black, and a bare copper conductor.
 
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Old 01-24-04, 08:50 AM
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Originally posted by OldGuy
I'm not an electrician, so I can't tell you the technical answer, but the simple answer is 2-conductor wire has two insulated wires plus a bare ground wire (for hot-hot for 220v or hot-neutral for 110v), and 3-conductor wire has three insualted wires plus bare ground (for 3-way switches, power for 220v and 110v for hot-hot-neutral to a subpanel such as in a boathouse, etc.). At least that's my wiring use.
I'm sure that the pros here can give you a lot more info.
THANKS--MCCOY
 
 

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