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Old 06-19-2009, 01:46 PM   #1
 
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More questions from me


can somebody tell me what the NEC says about the specifics of wiring a detached garage/workshop like type of outlets to use (gfci), outlet spaceing and distance from the floor, switch box distance from the floor, sub panel distance from the floor and how close to a door or window,wire over or under the outlet boxes and distance from box to wire either way, and distance between staples?
currently the wiring is lower than the boxes and I think maybe they are supposed to be like 12" above them?will I need nailer plates over each stud?
Im close to tearing it all out and just starting over because now I think I have it all wrong lol
thanks
Mark
the new NEC book is expensive!!
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Old 06-19-2009, 01:53 PM   #2
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Originally Posted by Suzuki91vx800 View Post
the new NEC book is expensive!!
It's free online..

http://www.nfpa.org/freecodes/free_a....asp?id=7008SB

You need to create an account to view it, but the account comes with a terrible curse, which is bad. But it also comes with a free frogurt, which is good. But the frogurt is also cursed, which is bad*.

*Free topping also cursed.
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Old 06-19-2009, 02:11 PM   #3
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like type of outlets to use (gfci),
All 125v 15 & 20a receptacles must be GFI protected.


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Originally Posted by Suzuki91vx800 View Post
outlet spaceing and distance from the floor, switch box distance from the floor,
No specific requirements.


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sub panel distance from the floor and how close to a door or window,
Only that the highest breaker andle be no higher than 6' 7" from the floor.


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Originally Posted by Suzuki91vx800 View Post
wire over or under the outlet boxes and distance from box to wire either way, and distance between staples?
Nope. Only the standard stapling and securing rules. 12" from a box and 4.5' apart max.


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currently the wiring is lower than the boxes and I think maybe they are supposed to be like 12" above them?
Nope.


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Originally Posted by Suzuki91vx800 View Post
will I need nailer plates over each stud?
Only if the holes are drilled closer than 1-1/4" from the edge of the stud.


All this is regular NEC stuff. Being a detached structure the physical installation is the same.

I suggest you get a couple of good books on home wiring. The NEC is not a good resource for a DIYer.
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Old 06-19-2009, 02:23 PM   #4
 
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thanks scott I was just actually looking through that!!

thanks Speedy Petey, I actually have a Hd wiring 123 which is not a bad book for us newb's, just trying to get specific so there is noquestion later, I should probably have this all inspected so just preping for that making sure my work is good.
Would I be able to use one of those breaker box gfci's and would it go into the sub panel or the main panel? thanks
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Old 06-19-2009, 05:10 PM   #5
 
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called a local electrician and he said that he has never had the inspecter even want to lok at the sub panel he only looks at the main box so I guess my problems are solved, just do it how ever and dont worry about it lol.... atleast now I know Im NEC compliant thanks to you guys..
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Old 06-20-2009, 11:02 AM   #6
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Keep in mind this is a structure and not a dwelling. What is required for dwellings is not always required in structures.
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Old 06-20-2009, 12:15 PM   #7
 
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good poin I always just figured that since it is next to a dwelling for 1 and that it is a garage/shop that they would feel that it is importand to make sure proper and safe practice was used to install an electrical service, being that a lot of people dont mind hacking cords and plugs and abusing and outlet to use some heavier tools and equipment.
at the same time if you run your 220v dryer a couple loads a day and run your electric range plus lights tv's radio's water heater etc all day long then 5 miniutes of drilling and grinding and welding or what ever there is a big difference.
any ways it might not be an issue for my city which is good for me because I can just do it without all of the red tape, at least I know Im in compliance or will be with the NEC which gives me a safe feeling!
I will add some pic's when I get the box all wired up and finished
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Old 06-22-2009, 10:30 AM   #8
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Do not get get me wrong. Structures are addressed in the NEC and must be compliant. When you add sleeping quarters then it becomes a dwelling. A dryer and range technically do make it a dwelling. The addition of a bedroom or sleeping area does.
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Old 06-22-2009, 10:37 AM   #9
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Speedy Petey- Why would "All 125v 15 & 20a receptacles must be GFI protected", in a detached garage/workshop? "All this is regular NEC stuff." Sorry, but I've looked and looked and can't come up with any NEC that would dictate this. Please elaborate. Thanks, David
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Old 06-22-2009, 11:02 AM   #10
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210.8(A)
All 125-volt, single-phase 15- and 20-amper receptacles installed in the locations specified in (1) though (8) shall have ground-fault-interrupter protection for personnel

(2)
Garages and also accessory buildings that have a floor located at or below grade level not intended as habital rooms and limited to storage areas, work areas, and areas of similar use
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Old 06-22-2009, 11:36 AM   #11
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Quote:
Originally Posted by Thurman View Post
Speedy Petey- Why would "All 125v 15 & 20a receptacles must be GFI protected", in a detached garage/workshop? "All this is regular NEC stuff." Sorry, but I've looked and looked and can't come up with any NEC that would dictate this. Please elaborate. Thanks, David
210.8(A)(2) The 05 has two exceptions, the 08 does not.

Edit:hpp58 already answered, did not see post.

Last edited by Code05; 06-22-2009 at 11:41 AM.
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