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paulyg 01-26-2010 04:30 PM

running boards for electrical in unfinished basement
 
Hello folks,

1st time homeowner and 1st time posting here. I need to add a few runs of romex in my basement, part of which will be perpendicular to the joists. Reading the NEC I can drill holes through the joists or add a "running board" and staple the romex to that. I'm opting for choice B since I will be adding/replacing 4 circuits and want provision for a 5th. My plan is to get some 1/2" x 3 or 4" wood and attach that to the bottom of the joists.

Being a rookie I'm not sure how I should be attaching these boards to the joists. Specifically should I just nail straight up through the joists? Should I go on an angle? And what size type of nails should I use. Or should it be screws?

Thanks in advance.

Oh, and PS. Is there any type of wood I should use? I'd like to go as cheap as I can as all I am doing is hanging a few wires. I need it to be kind of moisture resistant though. The basement can get damp.

Scuba_Dave 01-26-2010 04:35 PM

I use scrap 1x4 wood usually old pine trim
I may have screwed some...nailed others
As long as the screw/nail is long enough to hold the weight
Probably a 2" nail/screw into each joist should work

Gary in WA 01-26-2010 09:21 PM

"Specifically should I just nail straight up through the joists? " -------- YES.

"Should I go on an angle?" -------- No.

" And what size type of nails should I use." ------- 8d

"Or should it be screws?" ------ No, not per code.

Use 2- 8d nails per joist as per code: 21. 1" x 8" (25 mm x 203 mm) sheathing
or less to each bearing, face nail ------------ 2-8d From: http://www.mcvicker.com/resguide/page014.htm

Be safe, Gary


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