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Old 03-28-2013, 05:19 PM   #1
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recepticale wiring /new construction


Hello Friends,
I am finishing my basement and I need to supply my local inspector with a wiring diagram that meets 2011 NEC. I have ran wire and replaced recepticles before so I know how to do the work, just not knowledgable on the exact codes. I have read through most of the 2011 NEC but I am having trouble finding all the information I need, specifically:

1. How far from recepticale does first staple have to be? 6"??
2. Size of NM recepticale box? I plan to use 3 5/16 x 3 1/2 x 2 1/4 (i'll using 14/3 and 12/3
3. He said something about free space???
4. How much jacket has to left on wiring when visible in box?
5. Staples every 2', correct??
6. Receticles every 6' or 8' horizontally?
7. I have them set at 16" from floor
8. I plan to use an outlet branch circuit AFCI at the first recepticle on each circuit. Is this sufficient or do I need a AFCI breaker as well??

Does anyone have link to a pic or simple diagram that would include all of this info?? Any links would be very helpfull.

Greatly appreciated,
SC


Last edited by Stcrosby; 03-28-2013 at 05:22 PM.
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Old 03-28-2013, 05:30 PM   #2
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recepticale wiring /new construction


Quote:
Originally Posted by Stcrosby View Post
I have read through most of the 2011 NEC...

Does anyone have link to a pic or simple diagram that would include all of this info??
This should answer most of the questions:
http://www.nojolt.com/residential_el...in_guide.shtml

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Old 03-28-2013, 05:34 PM   #3
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recepticale wiring /new construction


Quote:
Originally Posted by Stcrosby View Post
Hello Friends,
I am finishing my basement and I need to supply my local inspector with a wiring diagram that meets 2011 NEC. I have ran wire and replaced recepticles before so I know how to do the work, just not knowledgable on the exact codes. I have read through most of the 2011 NEC but I am having trouble finding all the information I need, specifically:

1. How far from recepticale does first staple have to be? 6"?? Within 8" without a clamp, or within 12" with a clamp.
2. Size of NM recepticale box? I plan to use 3 5/16 x 3 1/2 x 2 1/4 (i'll using 14/3 and 12/3. Deeper boxes allow more room to work and for more conductors.
3. He said something about free space??? Boxes are rated for a certain number of conductors. They need to be big enough for all the conductors.
4. How much jacket has to left on wiring when visible in box? At least 1/4"
5. Staples every 2', correct?? No more than 4 1/2' between.
6. Receticles every 6' or 8' horizontally? No more than 12' between
7. I have them set at 16" from floor Your choice.
8. I plan to use an outlet branch circuit AFCI at the first recepticle on each circuit. Is this sufficient or do I need a AFCI breaker as well?? AFCI receptacles are just hitting the market. The breaker would be easier.

Does anyone have link to a pic or simple diagram that would include all of this info?? Any links would be very helpfull.

Greatly appreciated,
SC
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Old 03-28-2013, 07:25 PM   #4
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recepticale wiring /new construction


In New Jersey since you are finishing off a basement the work falls under the ReHab Subcode. Follow the links in my signature to a thread I started for DIY in New Jersey. If you need additional info post your questions here.
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Old 03-28-2013, 11:33 PM   #5
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recepticale wiring /new construction


Quote:
Originally Posted by Stcrosby View Post
Hello Friends,
I am finishing my basement and I need to supply my local inspector with a wiring diagram that meets 2011 NEC. I have ran wire and replaced recepticles before so I know how to do the work, just not knowledgable on the exact codes. I have read through most of the 2011 NEC but I am having trouble finding all the information I need, specifically:

1. How far from recepticale does first staple have to be? 6"??

With some of the single gang plastique boxes without clamp it will be max of 8 inches or two gang plastique or any metal box with extreral clamps max is 12 inches beside the metal boxes with interal clamps it will be the max of 8 inches.

2. Size of NM recepticale box? I plan to use 3 5/16 x 3 1/2 x 2 1/4 (i'll using 14/3 and 12/3

The size of the box you are describing that sound like a single gang verison so therefore get the deepest one you can find. ( the deep verison will useally about 22 Ci size compared to standard one can hit about 18 Cu inches so that make the differnce.

3. He said something about free space???

Just make sure you don't over crowed the junciton boxes at all.

4. How much jacket has to left on wiring when visible in box?

Minuim of 1/4 inches and make sure you have the conductor come out about 6 inches from the point of entrance of junciton box.

5. Staples every 2', correct??
Max of 4 to 4.5 feet you can have it little closer if needed to. but do not overdrive them in the boards ( if get too deep it can actually cut the insulating materals and can cause a short circuit right there.)


6. Receticles every 6' or 8' horizontally?
Max of 12 feet apart with any unbroken wall more than 2 feet ( check with your local codes for minium witdth )
7. I have them set at 16" from floor
Your call but try to keep the same as upstair if possible
8. I plan to use an outlet branch circuit AFCI at the first recepticle on each circuit. Is this sufficient or do I need a AFCI breaker as well??

Genrally AFCI breakers are avaiable but the AFIC receptale device what I heard they just came out that part I do not know what the cost will be so it will be better off just get AFCI breaker.

Does anyone have link to a pic or simple diagram that would include all of this info?? Any links would be very helpfull.

Greatly appreciated,
SC
My reply in green

Also double check with Electures's link with the latest code on your state which he will give you a good infomation related to the latest edition of the state codes so that will give you the best answer on that.

The other thing I want to give you a head up if you going to use recessed luminaries ( if ever happend ) please size the circuit by max wattage of the recessed luminaire which it will be listed inside the luminaire can.

If you have more question just go ahead and posted in here one of us will reply to ya.

Bon Chance!

Merci,
Marc
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Old 03-29-2013, 06:06 AM   #6
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recepticale wiring /new construction


Quote:
Originally Posted by Stcrosby View Post
I have read through most of the 2011 NEC but I am having trouble finding all the information I need, specifically:
SC
If you really read through MOST of the 2011 NEC, you shouldn't still have all of these questions.

Mark
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Old 03-29-2013, 06:13 AM   #7
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While AFCI receptacles are basically brand new to the market and I wouldn't touch them with a 10' pole, there are some very specific requirements using the device over a breaker.
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Old 03-29-2013, 06:24 AM   #8
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While AFCI receptacles are basically brand new to the market and I wouldn't touch them with a 10' pole, there are some very specific requirements using the device over a breaker.
Fully agree.
In the average wired home an AFCI receptacle would NOT satisfy code.
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Answers based on the 2008 & 2011 NEC.
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Old 03-29-2013, 09:31 AM   #9
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recepticale wiring /new construction


Quote:
Originally Posted by Speedy Petey
Fully agree.
In the average wired home an AFCI receptacle would NOT satisfy code.
I'll second this.
Use an AFCI breaker; an AFCI receptacle might not satisfy code because the entire length of cable would not be protected.
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Old 04-07-2013, 02:21 PM   #10
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recepticale wiring /new construction


Thanks for all the help guys.
I opted for AFCI breakers on all circuits except bathroom and laundry room.
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Old 04-07-2013, 02:42 PM   #11
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Quote:
Originally Posted by busman View Post
If you really read through MOST of the 2011 NEC, you shouldn't still have all of these questions.

Mark
touche....

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