Mixing Circuits in Box

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  #1  
Old 11-21-04, 03:11 PM
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Mixing Circuits in Box

I want to put a 220 receptacle and a 110 receptacle in the same box (two totally separate circuits). Any problems doing this?
 
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  #2  
Old 11-21-04, 04:48 PM
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I don't see anywhere in the NEC that says you "cannot" do this. Just good luck finding a coverplace your box. I am assumming this will be a quad like installation, however on is a 15 or 20 amp 120v plug and next to it will be a 240v plug. I personally have never seen an installation like this in the same box, they have always been in seperate boxes. It is totally legal to have 2 plugs served from different circuits in the same box so I don't see why your situation should be any different. Also, a 240v plug is not compatible with a 120v plug so there shouldn't be any problems with wrong voltage for a device. I suggest contacting your local inspector first. They may have codes against it. Let us know how it turns out. Since I have never done it before, and you find out you can, let us know... It may be something I'll come across in the future.

Best of luck,
Paul
 
  #3  
Old 11-21-04, 05:40 PM
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It's fine, but just to satisfy our curiosity, tell us why you want to do it.
 
  #4  
Old 11-22-04, 02:49 AM
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Ouch, I never thought about the cover plate. Maybe I should see if I can find one before going too far with this.

Why do I want to do this? My wife bought a kiln and I need to run power to where she wants to put it. I need a 240V outlet for the kiln itself, and a 120V outlet for the ventilation system exhaust fan. I just figured a single box would be easier than two side by side.
 
  #5  
Old 11-22-04, 11:12 AM
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Well, as somewhat expected, I couldn't find a cover plate to match. Decided to go with two single boxes.
 
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