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joey b 12-03-2008 03:13 AM

routing of wire in garage
I believe the correct way to route the wire would be labeled as "A" in the diagram. However, once I am through the top do I drill through the roof truces as noted in "C"? Or do I attach to the underside of the truces? I don't believe that routing as denoted by label "B" is allowed, correct? Also, for routing the lights, may I route trough/above/below the beams that cross the length of the garage as labeled in "D", or is conduit required and what type? I do not plan to finish overhead in the garage. I will be wiring with nm.

wire_twister 12-03-2008 06:31 AM

I would wire the entire garage with EMT conduit and THHN wire. You may not be planning to finish overhead now, but time changes everything. It sure would be rough to have to move wiring so the interior could be finished. Wiring in conduit can be run concealed and exposed so you are OK weather or not you finish the interior.

jerryh3 12-03-2008 06:48 AM

Why are you bringing the wire up? Why not just run it along the wall?

Gary_602z 12-03-2008 07:31 AM

My inspector would not let me run perpindicular to my studs on a unfinished wall.


vsheetz 12-03-2008 09:00 AM

You can't have unsupported exposed wiring - so no stringing across joists or studs.

You can run along the plates as in B, but in case someone would ever want to finish the walls or ceiling that creates rework. Suggest to run a 1x4 across the top of the joists creating a raceway and staple the wiring to the top of it, and then run along the side of the rafters to the side walls as needed.

For down the walls, you can do A or B, but suggested would be A to again avoid possible rework later.


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