Plug on ends of romex NM

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MichaelJ

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Is it legal to install a Male and female cord end on a section of romex wire?
looked at job today where the guy installing a surround sound system with a flate screen tv had run a piece of 12-2 w/ gromex with a male plug end from the control panel through the wall and floor up to the tv with a female plug end and the cord from the tv plugged in to it. Are there any plug ends listed for this use?
 
I've not seen any male or female plugs listed for that purpose.

FWIW your "guy" made an extension cord. And they are not code compliant if installed through floors and walls.:wink:
 
that = no good.

should have cut in 2 boxes, receptacle in one, plate with flanged inlet on the other.
 
The Inspectors around here don't allow this install enless you can show proof of the cord end being listed for the purpose that you are using it for.
 
William1978 said:
The Inspectors around here don't allow this install enless you can show proof of the cord end being listed for the purpose that you are using it for.
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agree. 110.3b in 05 . my leviton 5-15r and 5-15p instructions says refer to nec 400 for hard service, jr.hard sevice, and vacuum cleaner cord. no romex in t400.4 for nm. grabbed these two items just to check.
 
So what he has is an exstention cord field made and no UL. and the puting it thru a wall. NO,NO,NO WAY . Promlem is this is not hard wired so inspector never sees. Safe ? maybe, legal NO
 
Two options I use:

1) As the Guru said, one box with an inlet mounted on a plate (which I have made), and one box with a clock receptacle, the two boxes joined with NM.

2. Same as above, except instead of an inlet, I use a plug on a cord placed through a plate with a hole, knotted on the inside, and connected to the NM.

Either option allows the TV to be plugged into whatever surge/power strip the rest of the system is plugged into.
 
Cord / cable

Cord / cable

The "guy installing a surround sound system" did not make an extension cord.

He did make an extension cable. That cable is allowed to be run through walls, run concealed, through floors exposed (if 334.15), allowed to be fished, etc.

The problem, as OP suggested, is the listing of the plug / connector. I didn't look at UL, but the "modular home style" http://code-elec.com/userimages/Tyco%20NM%20connectors.pdf seems to include instructions that they are to be factory installed, then field connected. Even if it could be field installed, it doesen't seem to accept cords.

Of course, better, more reasonable, and NEC methods have already been suggested, but I've occasionally wanted NM plug mates to exist for field use . . .
 
Volta said:
The "guy installing a surround sound system" did not make an extension cord.

He did make an extension cable. That cable is allowed to be run through walls, run concealed, through floors exposed (if 334.15), allowed to be fished, etc.

The problem, as OP suggested, is the listing of the plug / connector. I didn't look at UL, but the "modular home style" http://code-elec.com/userimages/Tyco%20NM%20connectors.pdf seems to include instructions that they are to be factory installed, then field connected. Even if it could be field installed, it doesen't seem to accept cords.

Of course, better, more reasonable, and NEC methods have already been suggested, but I've occasionally wanted NM plug mates to exist for field use . . .
Click to expand...

I'll have to disagree there. Without being molded, I can't see an adaptable recep end on NM/Romex. Don't like it, wouldn't do it. Maybe that's just me. My opinion isn't worth much.
 
76nemo said:
I'll have to disagree there. Without being molded, I can't see an adaptable recep end on NM/Romex. Don't like it, wouldn't do it. Maybe that's just me. My opinion isn't worth much.
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What do you mean by adaptable?

I've plugged modular home units together, not saying I like those connectors. But there are times that it can be useful to have a cord cap, not what the OP witnessed per se, but maybe as a non-metalic extension 382.30 (A).

Correct me if I'm wrong (382.2 defines the original as an assembly of two insulated conductors within a non-metallic jacket). But I always figured that was intended to be NM, written to allow a plug by Section 3426 in 1937. Not before grounding in general, but I've never see an EGC in NM that old. The CMP simply may not have addressed this definition lately.

Mind you, I agree with you in general. I've never installed these extensions, and doubt I ever will. It just seems to be one sanctioned use of a plug for NM.

NM is not very flexibe, so I wouldn't want it used in place of a cord . . .
 
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