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Old 12-27-2010, 03:50 PM   #16
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Cable Clamps


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Originally Posted by J. V. View Post
Thats correct. But you failed to mention that you were "fishing" cables in your original post. We can help, we cannot read minds.
Sorry about that. I guess that was a pretty important detail.

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Old 12-28-2010, 02:01 AM   #17
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Cable Clamps


if faced with a cable clamp like that one behind a finished wall during troubleshooting for example, what i do is to force my screwdriver into the drywall/mud just over the top of the box making a small hole in the wall that will be covered by the cover plate. If the screws do not face toward me i take pliers and turn the clamp from inside the box so i can get at the screws. So to say that you can't monkey with these clamps after finish is untrue.
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Old 12-28-2010, 10:15 AM   #18
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Cable Clamps


Since part of the clamp protrudes inside the box I think you have to count it as part of the box fill. But the side with the screws takes up more space so putting that part outside makes it easier to work with the wires on the inside.

Box fill calculations are the same either way; all clamps together count as one more of the largest gauge entering conductors.
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Last edited by AllanJ; 12-28-2010 at 10:18 AM.
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Old 12-28-2010, 10:37 AM   #19
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Cable Clamps


if you install the clamp correctly you do not have to consider it in box fill. It is no more intrusive than a conduit entrance which isn't counted in fill. If you reverse it I would think the clamp would have to be figured in.

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