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| I'm in the process of sketching out a new electrical supply for my garage, using EMT as a raceway. 750 SF, so I need at least 6 fluoro fixtures, 6 receptacles, two 3-way switches, etc. I got the design reduced to the fewest number of splices and boxes, but now as I'm drawing out the actual wiring, I see there is a six-way splice for the neutrals in the first j-box, because all the legs emanate from this point. The required volume of this box, based on number and type of conductors, is 80 cubic inches, including clamps, per NEC.
After looking online, I've seen that some folks will splice that many wires together with a properly-sized wire nut, but that makes me skittish. Is a terminal/junction block the way to go here? If so, I would assume its meant to be secured to the bottom of the j-box? I've just never had a reason to use one before. Thanks. |
Follow-Up Postings:
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| Personally, I wouldn't try to put that much wiring in one box. You may have figured out the fewest number of splices, but not necessarily the highest quality ones. Instead of having everything emanating from that first octopus box, figure out a better layout so that the wiring and splices are distributed around, and you have a better balance. |
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| That is going to be a real mess of a JB. Better to spread everything out. Run the wiring from fixture to fixture. A correctly made junction is not going to fail in your lifetime (and often much longer). Even a simple wire nut is a gas tight connection. You can remove a wire nut after years and see the bright copper surface in the conductors (You have to unwind the spring not unscrew it to avoid 'cleaning' the joint during disassembly). |
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