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Clamping wire in pancake box?

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Clamping wire in pancake box? Noozer 09-13-2007
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Posted by Noozer on September 13, 2007, 6:51 pm
I'm installing some lighting on the outside of my garage. It seems pretty
straightforward, but I've got a question regarding the electrical boxes...

I'm using "pancake" boxes. I knockout one of the holes in the back of the
box. Then I hold it up where I want it mounted and mark the wall. I take it
down and drill my hole. Put it back up and screw into place. Pull the wire
through.

How do I clamp the wire so it doesn't pull out of the box? I know that there
are clips that can be put into place, but the sheathing of the garage wall
precludes my using them. I guess I could put the clip in backwards, but they
are wider than the pancake box is high.

Do I just leave the wire loose and depend on the "staple" inside the garage
to hold the wire?

Just want to be sure that this will meet code here in Calgary. Don't want to
fail my inspection.

Thanks!



Posted by RBM on September 13, 2007, 7:01 pm
Assuming you are using non metallic cable, you can get a connector called
"button" made by Arlington Industries. It's very small and just pops into a
1/2" knockout, and the cable just pushes through it



> I'm installing some lighting on the outside of my garage. It seems pretty
> straightforward, but I've got a question regarding the electrical boxes...
>
> I'm using "pancake" boxes. I knockout one of the holes in the back of the
> box. Then I hold it up where I want it mounted and mark the wall. I take
> it down and drill my hole. Put it back up and screw into place. Pull the
> wire through.
>
> How do I clamp the wire so it doesn't pull out of the box? I know that
> there are clips that can be put into place, but the sheathing of the
> garage wall precludes my using them. I guess I could put the clip in
> backwards, but they are wider than the pancake box is high.
>
> Do I just leave the wire loose and depend on the "staple" inside the
> garage to hold the wire?
>
> Just want to be sure that this will meet code here in Calgary. Don't want
> to fail my inspection.
>
> Thanks!
>
>



Posted by willshak on September 13, 2007, 7:15 pm
on 9/13/2007 6:51 PM Noozer said the following:
> I'm installing some lighting on the outside of my garage. It seems pretty
> straightforward, but I've got a question regarding the electrical boxes...
>
> I'm using "pancake" boxes. I knockout one of the holes in the back of the
> box. Then I hold it up where I want it mounted and mark the wall. I take it
> down and drill my hole. Put it back up and screw into place. Pull the wire
> through.
>
> How do I clamp the wire so it doesn't pull out of the box? I know that there
> are clips that can be put into place, but the sheathing of the garage wall
> precludes my using them. I guess I could put the clip in backwards, but they
> are wider than the pancake box is high.
>
> Do I just leave the wire loose and depend on the "staple" inside the garage
> to hold the wire?
>
> Just want to be sure that this will meet code here in Calgary. Don't want to
> fail my inspection.
>
> Thanks!
>
>
>
My outside front door lights have been that way for 23 years. How can
they pull,or fall, out?
It was probably a little tough to bend it around the pancake box to
begin with.

--

Bill
In Hamptonburgh, NY
To email, remove the double zeroes after @

Posted by J.A. Michel on September 13, 2007, 7:29 pm

> I'm installing some lighting on the outside of my garage. It seems pretty
> straightforward, but I've got a question regarding the electrical boxes...
>
> I'm using "pancake" boxes. I knockout one of the holes in the back of the
> box. Then I hold it up where I want it mounted and mark the wall. I take
> it down and drill my hole. Put it back up and screw into place. Pull the
> wire through.
>
> How do I clamp the wire so it doesn't pull out of the box? I know that
> there are clips that can be put into place, but the sheathing of the
> garage wall precludes my using them. I guess I could put the clip in
> backwards, but they are wider than the pancake box is high.
>
> Do I just leave the wire loose and depend on the "staple" inside the
> garage to hold the wire?
>
> Just want to be sure that this will meet code here in Calgary. Don't want
> to fail my inspection.
>
> Thanks!
>
>

I'd use one of these if I were going in or out of a box. I assume you're
using NM cable?
http://www.doityourself.com/invt/u251507


Posted by John Grabowski on September 13, 2007, 8:06 pm

> I'm installing some lighting on the outside of my garage. It seems pretty
> straightforward, but I've got a question regarding the electrical boxes...
>
> I'm using "pancake" boxes. I knockout one of the holes in the back of the
> box. Then I hold it up where I want it mounted and mark the wall. I take
it
> down and drill my hole. Put it back up and screw into place. Pull the wire
> through.
>
> How do I clamp the wire so it doesn't pull out of the box? I know that
there
> are clips that can be put into place, but the sheathing of the garage wall
> precludes my using them. I guess I could put the clip in backwards, but
they
> are wider than the pancake box is high.
>
> Do I just leave the wire loose and depend on the "staple" inside the
garage
> to hold the wire?
>
> Just want to be sure that this will meet code here in Calgary. Don't want
to
> fail my inspection.


An 1 1/4" hole should be the right size to allow a two screw Romex connector
to fit behind the box. You can cut the screws a little to make it fit
better. As RBM suggested a button type connector will work also.


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