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walt1122 03-02-2011 03:51 PM

1.5" deep wall can I use BX??
Hi had to cut into a section of 2 x 6 wall to recess a 5' wide by 6.5' high with a header and then reduce that area under the header to a wall cavity thickness of 1.5 and 16" OC. It is an area under some steps that was designed for a washer and dryer but the builder said he could make it a 1/2 bath (toilet and sink). Well he screwed this up too. Wall to close so standard sink won't fit. I got hold of a old gas station sink and it is better but I still had to reduce the size of the 2 x 6 wall. So I want to add some electric to the wall so I have a medicine cabinet above the sink and need an outlet on this wall. I asked the electrician here and he said NO PROBLEM!!! I can use Romex I think I have to protect the wire from puncture and shorts.

So, who is right and will BX be adequate of do I have to try and run EMT or what??

suggestions, advice, recommendations



Jim Port 03-02-2011 04:42 PM

Just follow this graphic from Mike Holt and keep the cables 1 1/4" away from the framing. There are standoffs made to hold the cables in place.

walt1122 03-02-2011 05:58 PM

Hi Jim Post, great drawing. This does help I hadn't looked at it that way but it makes sense. The use of furring strips on all those basements and the sheetrock placed so close to the wall. I will search out the standoffs. Now, what to do with the BX??



frenchelectrican 03-03-2011 12:41 AM

You can use the BX cable it the same rules as Jim Port posted the photo with standoff.

However there one issue with BX cable I am not sure which type of BX cable due there are few diffrent style of BX cable which it can be MC { metal clad } so the methold of use them will varies a bit as long the basement wall is very dry with no moisture show up { a quick vapour barrier test will show up on that one } then any type of cable or conduit will work.

Most of my furring strips sites which I have deal I hardly ever touch NM at all most case I run in conduit { useally EMT unless you have damp wall then I will switch over to PVC if that the case }


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