wiring methods

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coach1573

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I am a home inspector. There has been an on going discussion in the office about the proper wiring method for a sink disposal. I was told in by an instructor that romex can don't be left exposed under the sink. It would have to be incased or an approver flexible wire to a outlet.
Is the use of wire ties to bind wires together in a circuit panel o.k.
 
Re: wiring methods

Originally posted by coach1573:
There has been an on going discussion in the office about the proper wiring method for a sink disposal. I was told in by an instructor that romex can don't be left exposed under the sink. It would have to be incased or an approver flexible wire to a outlet.
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This is a judgment call by the inspector and or the AHJ.

The NEC prohibits the use of NM where exposed to physical damage.

Everyone has a different idea of what areas expose NM to physical damage.

I see a lot of home disposals wired with just NM but I also would not be surprised if many inspectors would not allow it.


Originally posted by coach1573:
Is the use of wire ties to bind wires together in a circuit panel o.k.
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Sure, why not?
 
Re: wiring methods

I prefer using S.O.cord for sink disposal. As far as wire ties,should not be needed for romex wires in Panels. In Commercial wiring where stranded wire is used,wire ties shall be U.L rated. "Snugging" ungrounded conductors together causes heat. Wires should always be allowed to breath. I use skill and workmanship to avoid using wire ties as much as possible. :cool:
 
Re: wiring methods

Originally posted by chicar:
wire ties shall be U.L rated.
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Sure would like to see a code reference for that. ;)


PS I do not like ties in panels either but keep the bundles less than 24" and it is code compliant.
 
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