Can you use NM in a garage?

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  #1  
Old 10-30-07, 11:51 AM
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Can you use NM in a garage?

I know it seems like a basic question....

I have a detached garage that I would like to rewire.
I currently have BX cable, but wanted to see if I could use NM instead?

Are there code restrictions, or any other issues with my plan...

Thanks
 
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  #2  
Old 10-30-07, 12:08 PM
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Cable in the garage must be protected from damage. If the cable is exposed, use conduit down the walls. In the rafters/ceiling you won't need it.
 
  #3  
Old 10-30-07, 12:10 PM
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Thanks buddy....

just one quick question... is BX cable considered protected from damage?
 
  #4  
Old 10-30-07, 02:15 PM
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Code doesn't really make that many distinctions between NM, AC (a.k.a. BX), and MC -- none can be installed where subject to physical damage.

However, residential garages are an area where the inspector has a lot of leeway to define protected and exposed. Many inspectors would accept plain NM cable installed within the wall cavities, most would accept metal cables (AC, MC) with the understanding that they are tougher than NM. I suppose there are some inspectors who would mandate conduit.
 
  #5  
Old 10-30-07, 04:26 PM
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"However, residential garages are an area where the inspector has a lot of leeway to define protected and exposed."

In my town the inspector considers garage NM wiring within the stud bays to be "protected" even though the stud bays are open.

The same is true in the town where my daughter lives. The garage is open studs with NM wiring.
 
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