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-   -   Can I run electrical wire BEHIND my basement walls? (http://www.diychatroom.com/f18/can-i-run-electrical-wire-behind-my-basement-walls-130482/)

GoBengals 01-18-2012 11:30 AM

Can I run electrical wire BEHIND my basement walls?
 
I am currently in Colorado, and finishing my basement. Due to expansive soils, floating walls are required. The builder put insulation on the walls in the basement, I decided to keep it there behind the floating walls. The walls are about 2.5-3" away from the concrete but with 2-3" of insulation behind them.

I will be done studding out my walls in a few weeks and was planning my outlets and things and came across a thought. Typically you have to feed the wires through holes drilled in the studs to prevent puncture from the outside on either side. With my setup, 95%of the walls border concrete with plenty of space to run the wire BEHIND the walls and just attached them to the BACK of the studs. Obviously on the independent walls I will have to drill and feed the wires. But on the outer walls, since nothing can puncture through from the concrete wall in any way, am I allowed to just run the electric wire BEHIND everything and save myself from drilling 100 holes in those studs to add my outlets and switches?

Thanks in advance for any advice!

-Ryan

GoBengals 01-18-2012 11:35 AM

1 Attachment(s)
I attached a photo of one wall, you can see some speaker and coax wires dangling behind it already. those are actually for the upper floor, but you can see what I am getting at with the floating walls.

Thanks

Julius793 01-18-2012 11:42 AM

I dont like doing it it looks a little hack. However i have done it and the inspectors never gave me an issue but make sure it is still secured to the studs.

md2lgyk 01-18-2012 11:49 AM

How are you going to get a tool between the walls to attach the cable to the back of the studs? Boring a few holes just might be easier.

Julius793 01-18-2012 11:52 AM

Quote:

Originally Posted by md2lgyk
How are you going to get a tool between the walls to attach the cable to the back of the studs? Boring a few holes just might be easier.

Put a staple near the back of the stud and zip tie it.

Beepster 01-18-2012 12:09 PM

Just drill the holes and run through the studs already. As previously mentioned, all the wiring has to be secured every so many feet. It will probably take longer to do that than the job you are trying to avoid in the first place.

Why the gap betweeen the studs and walls? Uneven walls?

B

gregzoll 01-18-2012 12:20 PM

Quote:

Originally Posted by Beepster (Post 826774)
Just drill the holes and run through the studs already. As previously mentioned, all the wiring has to be secured every so many feet. It will probably take longer to do that than the job you are trying to avoid in the first place.

Why the gap betweeen the studs and walls? Uneven walls?

B

The gap has to be there to allow the outside wall to breathe. Without it, and insulation pushed up, you get mold and mildew.

jbfan 01-18-2012 02:06 PM

Romex has to be supported every 4.5 feet, so drill every other stud and be done.

kwilcox 01-18-2012 08:38 PM

No code violation doing as you plan as long the wiring is secured as indicated. Somewhat OT but what kind of insulation is that up against the concrete walls? Hopefully not open faced fiberglass.


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