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Old 08-16-2013, 04:16 PM   #1
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Can I put a 3 wire romex into a 2 wire

I have a bathroom exhaust fan that has only 2 wire romex out of the ceiling. I want to install a fan with the heat and light and it requires a 3 wire connection. Can I put a 3 wire on the 2 wire? The bathroom is on the other side of the house so I am not sure where to run this to the fuse panel. Any help is much appreciated. Thank you

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Old 08-16-2013, 04:53 PM   #2
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Can I put a 3 wire romex into a 2 wire

Is this a heat lamp, or resistance heating?
If it's resistance heating it will require a 20 amp dedicated circuit.

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Old 08-16-2013, 05:01 PM   #3
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Can I put a 3 wire romex into a 2 wire

How hard would it be for you to pull a run of 12/3 Romex or AC up to where the unit will be in the ceiling, and where the switches are, along with 12/2 from the panel to the switches, or to the fixture, then use a "Switch" leg from the fixture to the switches?
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Old 08-16-2013, 05:48 PM   #4
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Can I put a 3 wire romex into a 2 wire

If the direction require two separate circuits for the unit then you must install it that way. Code requires all devices to be installed according to manufacturer directions.
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Old 08-16-2013, 05:59 PM   #5
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Can I put a 3 wire romex into a 2 wire

The junction box on the unit is very small. I would not try switch loops from the fan.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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