rules governing supply into bathroom

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  #1  
Old 06-09-06, 11:47 AM
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rules governing supply into bathroom

I am contemplating changing my bathroom wiring as follows and would like to know if I would be creating any violations

Present state

Two circuits, both on 15A breakers supply bathroom. First circuit supplies GFCI outlet. Second circuit supplies light above sink (35" above sink) and fan (60" from shower head)


Desired state

First circuit continues to supply GFCI outlet in a single gang box. Second circuit supplies new GFCI outlet in a single gang box. Load side of this second GFCI feeds 3 gang switch box. Switch box controls lite above sink, light above shower and fan.


New wires would be 12-2, existing wiring in walls would remain 14-2.


Would this be compliant and safe?

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  #2  
Old 06-09-06, 12:04 PM
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No, this would not be code compliant.

In the US, bathroom receptacles MUST be on 20 amp circuits.

You could make all the wiring on these circuits 12 gage and use 20 amp breakers, and you will be fine, as long as NO loads outside the bathroom are served.
 

Last edited by racraft; 06-10-06 at 03:47 PM.
  #3  
Old 06-10-06, 02:31 PM
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And 1 light must NOT be on the GFI. (not over the shower, unless over 7'6")
 
  #4  
Old 06-10-06, 02:44 PM
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Lee,

Where is this requirement found for 1 light not to be GFI protected? As far as I can remember there is no requirement for GFI protection unless required by manufacturers instructions, except for receptacles.
 
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Old 06-10-06, 02:54 PM
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The lights can't be on the SAME gfci as the receptacles, that's the only restriction I see. But running them off a separate gfci makes for a happy bathroom to me.
 
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Old 06-10-06, 03:01 PM
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Sorry, this is a state requirement, reasoning being you won't get caught in the dark, Unfortunately, this state must mess with everything so they can justify their existance.
Sometimes it becomes such common practice that the NEC and our changes get blured.
 
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Old 06-10-06, 03:04 PM
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Originally Posted by chandler
The lights can't be on the SAME gfci as the receptacles, that's the only restriction I see. But running them off a separate gfci makes for a happy bathroom to me.
Here the lights/fan may be on the same ckt. (ckt may not leave the bath) but at least 1 light must not be GFCI protected.
 
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Old 06-10-06, 03:37 PM
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Thanks for the explanation. I was wondering if I had taken a catnap during that part of the Code update class.
 
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Old 06-10-06, 03:43 PM
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You would not have been the first one. It's great bedtime reading, No?
 
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