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Old 02-25-2009, 11:11 PM   #1
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Code Q on NM in NYC


Hi All - New member with questions and hopefully something to contribute thats worth the while.

I recently saw in someone's home, they had NM cable (2/12), that was connected to standard 2/12 BX. Apparently, someone didn't have enough BX to reach the destination but said they had some NM in their truck and completed the job that way.

Does anyone know were I can find out if NM is even allowed in NYC?

Thanks for any advice,
Eddie

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Old 02-26-2009, 05:33 AM   #2
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Code Q on NM in NYC


Eddie, the term is 12/2. I would be more concerned about BX being allowed than NM. Is it really BX? Or is it armored cable (AC)? Lots of people still call AC BX. You may want to look at the connections from your "BX" to the NM especially the grounds and may want to find out if it is allowed to mix BX with NM (I don't know but I would not do it). Then again rules vary from state to state and I don't know NYC's rules. I am sure NM is widely used though.

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Old 02-26-2009, 07:08 AM   #3
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Code Q on NM in NYC


NM has been allowed for several years now.

NYC Electrical Code
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Old 02-26-2009, 07:19 AM   #4
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Code Q on NM in NYC


Not allowed in the city. Actually not allowed in most major cities. Not allowed in most all commercial work.
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Old 02-26-2009, 07:30 AM   #5
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Code Q on NM in NYC


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Originally Posted by Bob Mariani View Post
Not allowed in the city. Actually not allowed in most major cities. Not allowed in most all commercial work.
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Old 02-26-2009, 07:45 AM   #6
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Code Q on NM in NYC


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Originally Posted by Bob Mariani View Post
Not allowed in the city. Actually not allowed in most major cities. Not allowed in most all commercial work.
Besides Chicago, which cities can you think you?
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Old 02-26-2009, 11:11 AM   #7
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Code Q on NM in NYC


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Originally Posted by Bocolo View Post
Eddie, the term is 12/2. I would be more concerned about BX being allowed than NM. Is it really BX? Or is it armored cable (AC)? Lots of people still call AC BX. You may want to look at the connections from your "BX" to the NM especially the grounds and may want to find out if it is allowed to mix BX with NM (I don't know but I would not do it). Then again rules vary from state to state and I don't know NYC's rules. I am sure NM is widely used though.

Thanks - It is AC connected to NM. They simply joined the two and ran the remaining 15' thru external (plastic), channeling to the box.

I've seen NM in pictures, mags, etc. but this was my first time seeing it in a NYC building.
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Old 02-26-2009, 11:39 AM   #8
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Code Q on NM in NYC


The statement that NM is not allowed in most major cities is incorrect. I do not know specifically for NYC but someone posted a link for you. I am not sure about commercial applications. If it is AC 12/2 with ground connected to NM 12/2 with ground in a Junction Box you should be OK. I personally (my preference) do not like mixing any wires and again you need to check NYC specific codes.
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Old 02-26-2009, 03:24 PM   #9
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Code Q on NM in NYC


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Originally Posted by Speedy Petey View Post
NM has been allowed for several years now.

NYC Electrical Code

Thanks a lot for the link.
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Old 02-26-2009, 05:18 PM   #10
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Code Q on NM in NYC


Quote:
Originally Posted by Bob Mariani View Post
Not allowed in the city. Actually not allowed in most major cities. Not allowed in most all commercial work.
Really. You sound like someone who has been told these things his whole career but never checked for himself.
The old "No NM on commercial jobs" wives tale has been around a long time. Just like the "No conduit runs over 200' " rule.
I was told both of these early on in my career. I found out that both were just myths perpetuated by folks who will simply take other folk's word for things as fact.

Well Bob, we did the checking for you. I am not sure why you even made this post just 10 minutes after I posted the link to the NYC codes saying it is fine.

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