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...attach wiring to steel studs?

<< Back to: Electrical Wiring FAQ (Part 1 of 2)

Question by vberg
Submitted on 12/13/2003
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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How do you attach wiring to steel studs?

Answer by A Guy Who Knows
Submitted on 4/13/2004
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You use metal clips and wafer (self tapping like the ones that are used to connect the studs).

You can also "weave" it in and out of the stamped cutouts in the studs on vertical runs. Horizontal runs just sits in the stamped cutouts in the studs, there is no need to secure it further (except when a vertical run exceeds 18 inches it should be clipped).

Also in metal studs you must use an armored cable (generally speaking in most jurisdictions, be sure to ask your electrical inspector)you cannot use NMD, this is because the metal studs are sharp and will nick the jacket and/or insulation.

When running low voltage (ie data/telephone/alarm etc) cables (which is not armored) through metal studs you need to use grommet or grommet material to prevent the cable from getting damaged.


Answer by Don't know it all
Submitted on 11/10/2005
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Check with your local building inspector, but we do use romex (NMC) with steel studs and inserts (insulators, bushings)even in commercial buildings.  Sure wish a manufacturer would come up with a good box attachment, and even a combo (hi & LV) box with a steel stud attachment.


Answer by harris
Submitted on 2/23/2006
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actually they sell a very cheap plastic grommet specifically for metal studs that allows you run wires/pipes/tubes or whatever through the cutouts. as a cheap alternative you can use foam pipe insulation to protect the wires, but I have used the grommets and they stay secure and sturdy.


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