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Old 02-18-2009, 04:07 PM   #1
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Switch Box / Outlet Photos (with mid wire skining)


My first attempt at mid wire skinning as we discussed on here a couple days ago:
Switch Box / Outlet Photos (with mid wire skining)-mid-wire-skining-ground.jpg

The ground wire is chained to all 3 devices in the box:
Switch Box / Outlet Photos (with mid wire skining)-ground-chained-all-3-devices.jpg

A couple overview shots of the box, I am getting better at them, how does this box look? Does it looks like it was done by a pro?

Switch Box / Outlet Photos (with mid wire skining)-top-side-view-devices-wires.jpg
Switch Box / Outlet Photos (with mid wire skining)-overview-box.jpg

Finish photo of box with devices in

Switch Box / Outlet Photos (with mid wire skining)-finished-box-without-cover.jpg

Jamie

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Old 02-18-2009, 04:09 PM   #2
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Switch Box / Outlet Photos (with mid wire skining)


Hehe, insulated grounds. Looks good.

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Old 02-18-2009, 04:09 PM   #3
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Switch Box / Outlet Photos (with mid wire skining)


I think I did a nice job on these as well, nice at neat, atleast 6" of wire in the box. Connector was used. What do you think?

Switch Box / Outlet Photos (with mid wire skining)-ground-wires-twisted-crimped.jpg

Switch Box / Outlet Photos (with mid wire skining)-green-ground-screw.jpg

Thanks
Jamie
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Old 02-18-2009, 04:10 PM   #4
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Switch Box / Outlet Photos (with mid wire skining)


Your using a metal box, dont waste your time bonding the switches.
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Old 02-18-2009, 04:11 PM   #5
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by Gigs View Post
Hehe, insulated grounds. Looks good.
Thanks. I like the insulated green ground wire, and use it where I can. Unfortunately with romex, you have to deal with a bare wire, but when I have to add to it, I use my green thhn.

Jamie
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Old 02-18-2009, 04:15 PM   #6
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by chris75 View Post
Your using a metal box, dont waste your time bonding the switches.
While allowed by code, I don't trust the metal-to-metal contact of a switch to the box as a reliable ground, especially if the box is recessed slightly.

Looks good Jamie. As good as any I've seen out there
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Old 02-18-2009, 04:20 PM   #7
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Switch Box / Outlet Photos (with mid wire skining)


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Originally Posted by InPhase277 View Post
While allowed by code, I don't trust the metal-to-metal contact of a switch to the box as a reliable ground, especially if the box is recessed slightly.

Looks good Jamie. As good as any I've seen out there

How many metal plates you see in a residence?
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Old 02-18-2009, 04:26 PM   #8
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Switch Box / Outlet Photos (with mid wire skining)


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How many metal plates you see in a residence?
I have seen quite a few, but that isn't my point. I just choose to go beyond what is required. If a device has a metal body or strap that is not intended to carry current, I hook a bond wire to it. Just something I do and require my guys to do. Others are free to bond how they see fit.
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Old 02-18-2009, 04:28 PM   #9
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by InPhase277 View Post
I have seen quite a few, but that isn't my point. I just choose to go beyond what is required. If a device has a metal body or strap that is not intended to carry current, I hook a bond wire to it. Just something I do and require my guys to do. Others are free to bond how they see fit.
Actually it is the point. Thats why we bond switches to begin with, for metal plates...

Quote:
Originally Posted by inphase277
I don't trust the metal-to-metal contact of a switch to the box as a reliable ground
So you'll trust the plate screw to bond the switch plate, but not the device screw to bond the device?

Last edited by chris75; 02-18-2009 at 04:32 PM.
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Old 02-18-2009, 04:40 PM   #10
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Switch Box / Outlet Photos (with mid wire skining)


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How many metal plates you see in a residence?
I don't think my parents will use the same again, but previously most of their outlet / switch covers where these brass metal cover plates.

That's what started this whole project, a ground wire was energized, making contact with a switch plate in the hallway. When my mom turn it on barefoot with wet feet, she had a bit of a path to ground and would get a bit of a shock.

Jamie
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Old 02-18-2009, 04:40 PM   #11
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by chris75 View Post
Actually it is the point. Thats why we bond switches to begin with, for metal plates...
Hey, do what you do. I'm not saying your method is substandard or hack.



Quote:
So you'll trust the plate screw to bond the switch plate, but not the device screw to bond the device?

Absolutely. The plate screw is in much more intimate contact with the plate than the device screw is with the device. In fact, the screw on a metal plate often has to be screwed into the plate as it is screwed to the device. A device screw fits like a baseball in a hall way.
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Old 02-18-2009, 04:41 PM   #12
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by jamiedolan View Post
I don't think my parents will use the same again, but previously most of their outlet / switch covers where these brass metal cover plates.

That's what started this whole project, a ground wire was energized, making contact with a switch plate in the hallway. When my mom turn it on barefoot with wet feet, she had a bit of a path to ground and would get a bit of a shock.

Jamie
I dont think it was really a ground wire if it became energized....
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Old 02-18-2009, 04:43 PM   #13
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by InPhase277 View Post
Hey, do what you do. I'm not saying your method is substandard or hack.






Absolutely. The plate screw is in much more intimate contact with the plate than the device screw is with the device. In fact, the screw on a metal plate often has to be screwed into the plate as it is screwed to the device. A device screw fits like a baseball in a hall way.

I was just curious why you felt the way you did, was not trying to be a pain...
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Old 02-18-2009, 04:44 PM   #14
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by InPhase277 View Post
While allowed by code, I don't trust the metal-to-metal contact of a switch to the box as a reliable ground, especially if the box is recessed slightly.

Looks good Jamie. As good as any I've seen out there
Thanks!

I do understand that the ground wire is not required where there is metal to metal contact with a ground bonded to the box, my understanding was that it was good workmanship to make the physical connection with a piece of wire.

Jamie
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Old 02-18-2009, 04:47 PM   #15
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Switch Box / Outlet Photos (with mid wire skining)


Quote:
Originally Posted by chris75 View Post
I dont think it was really a ground wire if it became energized....
It was suppose to be a ground wire would be a better way to phrase it.

I think it was being energize where it was spliced to BX in the ceiling in a open splice. The stuff I found in the house was really scary. I wish I had taken more photos along the way.

Jamie

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