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Old 05-07-2009, 10:31 AM   #16
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rewiring garage, questions about conduit pros and cons


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Originally Posted by schmolze View Post
thanks man. yeah, this GFI thing seems a bit absurd to me, considering what's been there has been a single 15amp circuit fuse for ONE outlet, and ONE light, with knob and tube wiring, stapled to the inside edge of the studs.

questions: rather than having the first outlet on each circuit be GFI, can i do a GFI circuit breaker instead?

thanks again.
My 2 cents- Yes you can use a GFCI breaker but if the (sub)panel is not in the garage (or close by), it can be much less convenient when it pops; a GFI in the first position of a garage circuit seems easier (and cheaper) to me for a reset.

In my garage (previously drywall finished and insulated) I have predominately used romex with EMT using surface mounted boxes where exposed for physical damage. I also have AC/MC where connecting boxes on both pillars of a 16' garage door. I like using nice, solid connection boxes mounded well to studs as too often my tool plugs have a way of loosening the boxes installed in drywall.

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Old 05-07-2009, 10:32 AM   #17
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rewiring garage, questions about conduit pros and cons


Schmolze, Yes, GFCI breaker is acceptable and cheaper to your wallet. But remember the recpt. must be identified as a GFCI at all location when using a breaker typ. And I really suggest that no matter what you are wiring or thinking about doing it, do the raceway, install the conduit get away from the romex. and always us a 3/4 or higher. You may what to add other circuit later.

Last edited by FOKAI_RACING_FL; 05-07-2009 at 10:35 AM.
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Old 05-07-2009, 10:33 AM   #18
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rewiring garage, questions about conduit pros and cons


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Since Tom Silva is working on the garage I would have thought he would have brought the whole Ask This Old House crew.
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Old 05-07-2009, 10:38 AM   #19
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Even with 1/2" EMT you still have plenty of room if you needed to add additional circuits.
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Old 05-07-2009, 10:43 AM   #20
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rewiring garage, questions about conduit pros and cons


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Even with 1/2" EMT you still have plenty of room if you needed to add additional circuits.
i'm confused, so now you guys are saying DO use the conduit? this would be installed on the inside face of the room...

thanks.
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Old 05-07-2009, 12:03 PM   #21
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rewiring garage, questions about conduit pros and cons


by the way, any of you guys know where i can buy:
(not sure what it's called)

but basically a way of having an outlet up on the ceiling joist, with a little extension cord that can be pulled down and back up when not in use. would be great to have this for table and chop saws.

just called my local supply house; they don't have it...
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Old 05-07-2009, 12:22 PM   #22
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rewiring garage, questions about conduit pros and cons


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Originally Posted by schmolze View Post
by the way, any of you guys know where i can buy:
(not sure what it's called)

but basically a way of having an outlet up on the ceiling joist, with a little extension cord that can be pulled down and back up when not in use. would be great to have this for table and chop saws.

just called my local supply house; they don't have it...
Hey, I have one of those things don't know what it's called either but it's basically an extension cord that retracts back into it's own case. You should be able to find one pretty easy. Try Sears or somethin lik that
heres a website that has them.(tooltopia.com)Retractable extension cord.
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Old 05-07-2009, 01:34 PM   #23
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rewiring garage, questions about conduit pros and cons


I would not do conduit

ALL outlets are now required to be GFCI protected under NEC2008
There is no longer any exceptions
It can be a breaker or a single GFCI outlet
I prefer the single GFCO outlet - in the garage

Easiest method is to drill the studs IMO
And that makes it easier to cover the walls with drywall or sheathing

IF the garage already had drywall/insulation then I would consider conduit

Nailing a board to the bottom of joists/trusses is required
Otherwise the wire can be easily used like a clothesline

Going down a post in the middle of the garage I would use conduit for protection. But I'd rather not have an outlet there at all. It's only 12' to either wall for power in my case
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Old 05-07-2009, 05:27 PM   #24
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Pfffffftt.... In that case you could just wet the romex. I mean, the water will provide about as much physical protection as the smurf, and water is much cheaper....
A smurf fan, huh?

As a test, I just took a four foot piece of 1/2 inch smurf, put it under the front wheel of my minivan, backed up over it, then pulled up over it. Result? No damage. Not even any evidence it had been run over. Not a scratch. Pffffftt yourself.

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Old 05-07-2009, 05:38 PM   #25
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rewiring garage, questions about conduit pros and cons


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A smurf fan, huh?

As a test, I just took a four foot piece of 1/2 inch smurf, put it under the front wheel of my minivan, backed up over it, then pulled up over it. Result? No damage. Not even any evidence it had been run over. Not a scratch. Pffffftt yourself.
Typically you don't have cars running over wiring in your walls.

Smurf offers no protection from physical damage for the wiring inside. It's no better than unprotected Romex.
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Old 05-07-2009, 05:46 PM   #26
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A smurf fan, huh?

As a test, I just took a four foot piece of 1/2 inch smurf, put it under the front wheel of my minivan, backed up over it, then pulled up over it. Result? No damage. Not even any evidence it had been run over. Not a scratch. Pffffftt yourself.
Try hitting it with a hammer
I can run over Christmas lights with my car without any damage
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Old 05-07-2009, 06:03 PM   #27
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Try hitting it with a hammer
I can run over Christmas lights with my car without any damage
Fair enough. I just went outside, took a piece of scrap 12-3, put it in the smurf and hit it five times with a 24 oz framing hammer. The smurf deformed from impact and got dented up pretty good. I pulled the romex out and the outer sheath had some marks on it but wasn't broken. A 24 oz framing hammer will do a lot of damage, particularly when you are beating on something laying on asphalt. Smurf offers plenty of physical protection. I would have beat on some EMT but I didn't have any in the garage. I am going to venture a guess it would be pretty bent and beat up too. Smurf is tough.

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Old 05-07-2009, 06:05 PM   #28
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Fair enough. I just went outside, took a piece of scrap 12-3, put it in the smurf and hit it five times with a 24 oz framing hammer. The smurf deformed from impact and got dented up pretty good. I pulled the romex out and the outer sheath had some marks on it but wasn't broken. A 24 oz framing hammer will do a lot of damage, particularly when you are beating on something laying on asphalt. Smurf offers plenty of physical protection. I would have beat on some EMT but I didn't have any in the garage. I am going to venture a guess it would be pretty bent and beat up to. Smurf is tough.
Not tough enough for code
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Old 05-07-2009, 06:39 PM   #29
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Not tough enough for code
It is permitted where "not subject to physical damage." EMT is permitted where not subject to "severe physical damage." ENT is code compliant for use in exposed work in a single family residential garage.

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Old 05-07-2009, 06:50 PM   #30
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EMT is permitted where not subject to "severe physical damage."
There you go
I'd say a car can do severe physical damage

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