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5k electric heater wiring?

cadunkle

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Feb 13, 2011
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I have a 5k BTU electric heater wired up temporarily in my shed with 10/2 romex. I am insulating the ceiling and before I close in the last bit or the walls I want to figure how to wire this thing. My thought it to put a box on the wall or ceiling and change from romex to MC for the heater. What would you guys do?
 

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Bert_

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Just sleeve it in some flex once it comes out of the wall. Really no need for a junction.
 
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cadunkle

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Just leave it in some flex once it comes out of the wall. Really no need for a junction.
I'm thinking to insulate and OSB the top 4' of the walls, if not the full height of walls.
 

nadogail

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That is what I did; 10 Gauge to a metal junction box and a 10 Gauge appliance whip to the heater. I control the heater with a 40 amp relay with a 24 volt coil that is energized through a mechanical twist timer. The 30 minuet timer ensures that the heater will not be left operating continuously by someone forgetting to turn it off.
 
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LS6 Tommy

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NEC allows an exception for what you're doing in single family dwellings, but if it has a fan I'd put a disconnect (or plug and receptacle) in anyway for ease of servicing purposes.

Tommy
 
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cadunkle

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This is what I did, finishing the ceiling. We had a cold snap so I had to wire it up temporarily to paint the ceiling, but I put a box in the ceiling. I have some 10/2 MC I'll run from the box to the heater.

I suppose I could have run MC from the panel and just drilled a hole in the wall or ceiling, but this should look cleaner.
 

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