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  #1  
Old 02-02-00, 08:02 PM
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what is the diffrence between type nm and type nm-b and nmc and what are the allowed and not allowed applications to them i know about type nm and nmc but dont know where typenm-b is classified and for what applications.
 
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Old 02-03-00, 01:10 AM
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hi ele,
this is a verry good ? here in all my years i dont recall nm-b being listed in the code book, we use it all the time in houses and install it in same way the nm is installed. heres a tip whin in doubght check with your local building department in the electrical inspections department, they have final say in instulations any way. hope this helped u out
 
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Old 02-03-00, 04:53 AM
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The -B in the nm-b is the temperature rating. -b means its rated at 90 degrees C. NM is rated 60 degrees. NM-B is used whereever code calls for NM. I doubt you can buy NM anymore. Its all NM-B.

[This message has been edited by BobF (edited February 03, 2000).]
 
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Old 02-03-00, 10:58 PM
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thanks bob 4 your input on this i kinda figured it was something 2 that effect but didnt want 2 give out the wrong info, and your right i dont c nm any more just nm-b
 
 

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