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Old 12-06-2010, 04:17 PM   #1
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Wiring Plan Check


Hi Guys

I'm starting a complete rewire in a 100-year old house. My entire first floor is back to the studs, so I have good access. it's also a balloon framed house, so the stud bays run from sill plate to the attic. Besides the fire hazard , it does means I can easily rewire the 2nd floor (walls are intact) receptacles without going through the attic.

I wanted to double check that there isn't an issue with the way I'm connecting the outlets. In the living room the North and South walls pretty much span the width of the house (21 ft), but the east and west are interrupted by a big fireplace, and a stairway and coat closet respectively. Both the east and west walls have a maximum uninterrupted wall area of about 3 feet, so there's no need for outlets (and there will be outlets in all for corners on North and South walls). Because of basement access, large obstructions in walls (like a huge brick fireplace), etc. it's easier for me to run 3/4 EMT in basement (Chicago code requirement), with 8 x 12 gauge THHN (no shared neutrals, de-rated to 70% with 20A OCPD) and periodically come-up through the floor (1/2" EMT) to one or more outlets (see attached).

I just wanted to double check that it's OK for me to branch off to multiple branches on the same circuit. for example JB1 to 1 outlet (end of run), JB2 to 3 outlets (2 middle of run and one end of run), JB3 to 2 outlets (one middle of run, 1 end of run), etc.

Regards

mark
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Last edited by mark_anderson_u; 12-06-2010 at 04:21 PM.
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Old 12-06-2010, 07:07 PM   #2
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1. The three foot wall requires a receptacle under the code.
2. The rest of the plan is good. AFCI is required under current code.
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Old 12-06-2010, 08:08 PM   #3
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Hi Joed

thanks for the reply

I forgot the 6-foot rule doesn't bedn round corners! Good catch.

I thought AFCI was only required for sleeping areas. Did something change, or am I mis-informed? Just curious: I have no problem putting them in, as safety is my number one concern, in fact, that's why I'm not using share neutrals.

Regards

mark
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Old 12-06-2010, 09:59 PM   #4
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2008n code change to require AFCI in I think it says all living areas. Kitchen and bath are exempt. They get GFCI.
The 6/12 foot rule does bend around corners.
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