Can new cable be secured to panel w/o opening wall?

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Old 11-29-07, 07:45 PM
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Can new cable be secured to panel w/o opening wall?

Is there any cable clamp that will not require access to both sides (inside and outside) of the panel box in order to attach it? It occurs to me that all my DIY books conveniently never have their main panels surrounded by finished wall. Do I have to open up the wall in order to attach the clamp or do I just need more sleep?

(In my case I am wanting to enter/exit thru the bottom of the panel and fish down to the floor where I do have the wall opened up behind the removable baseboard.)

Thanks!
 
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Old 11-29-07, 07:53 PM
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Sure, there are many types of romex connectors that snap into the knockout.
Simply insert it from the inside or fish the wire up the wall to the panel with the connector already installed and let the connector snap into place.
If you use a metal connector and fish it up the wall, all you have to do is put the locknut on when you get the threads through the knockout.
 
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Old 12-02-07, 11:29 AM
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Are there any that can handle a #2 NMB cable?

I think I am probably going to try to fish the cable up the wall w/ the clamp bottom already attached about 18" from the end and then pull it through and attach the nut from inside. (I have a cutout at the bottom of the wall behind the baseboard... trying to avoid opening the directly below the panel).
 
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Old 12-02-07, 11:32 AM
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Not sure what you are talking about when you say #2 NMB.
If you are talking about 2 cables, yes there are quite a few.
Try the Arlington plastic snap in cable connectors.
 
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Old 12-02-07, 04:14 PM
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Originally Posted by dezwit View Post
Not sure what you are talking about when you say #2 NMB.
It's 2-3 NM-B Cable... it has three 2 awg conductors and a ground. Big boy. Its about an inch diameter.
 
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Old 12-02-07, 04:31 PM
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Use the lock nut type connecter for that size cable.
 
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Old 12-02-07, 04:49 PM
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Dare we ask what youre feeding with a monster like that?
 
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Old 12-03-07, 01:59 AM
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Its for a 100A subpanel... it is easier to run this in my situation than conduit with THWN, although I will transition to that for the outside run to the garage.
 
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Old 12-03-07, 02:54 AM
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Originally Posted by dezwit View Post
Not sure what you are talking about when you say #2 NMB.
If you are talking about 2 cables, yes there are quite a few.
Try the Arlington plastic snap in cable connectors.
Unforteally they {Arlington } dont even have snap in cable connecter for that big the only way you can secure it that big you have to use the standard run of mill cable connector many store have pretty large cable conneter for this size IIRC they have in 1 1/2 inch size and 1 1/4 inch size connector you may have to check the package listing to get the proper sizing there.


it will be little tough to snake in that pretty big beast but you can notch the drywall a little where the cable will run and that location you can just open the drywall something like 2X2 inch sq opening and instrest the cable connector first then [ tip.,, make sure you open the connecter clamp much as you can with out get the screw fall out ] and mount the clamp in the box and with locknut tighten down some so you can able to get the screwdriver and tighten down after the cable is in the box. then tighen down the locknut the rest will be not bad at all.

Merci, Marc
 
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Old 12-03-07, 06:31 PM
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Your foolish for even attempting to wrestle a cable of that size without opening the drywall. Patching couldn't be simpler and for something like that i'd definatley secure to the stud before it enters the panel anyway .
 
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