NM-B

[ongmark]

I have search through the NEC2002 for the designation of the B in NM and cannot locate. Can someone tell me where the table is that expalins what NM-B is?

Thanks

 

[templdl]

Re: NM-B

Refer to the 2002NEC Art334.112 Insulation, FPN.

 

[charlie]

Re: NM-B

You might check out the UL web site.

 

[websparky]

Re: NM-B

The -B indicates that the insulation is rated at 90c.

 

[bennie]

Re: NM-B

"C" means corrosion resistant. What resistant does "S" mean? or maybe I don't want to know.

[ August 26, 2003, 04:20 PM: Message edited by: bennie ]

 

[tom baker]

Re: NM-B

Its for NM with a built in signaling cable. See article 780. The company that developed the smart home wiring went bankrupt in 1997.