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I've read the posts by Tim and Mitch posted in Sept. I'm remodeling the kitchen with all new wiring. I've never had a dishwasher, but will at some point. I only have enough space for a 24"er, so probably not a huge draw. There's a sink to the right. To the left is a 6" space with a hinged door. I had planned on placing the dishwasher appliance receptacle in there for quick access. Being that it's within 6ft of water I had planned on a GFCI. I am short on available lines in my 100 Amp box, so I was wondering if I could tap into a new line from the adjacent living room? That line is already GFCI, 20A/120V, 12-GA with four outlets in the lvg room, one receptacle on the front porch, and one in the attic only to plug in a short length of of roof de-icer cable. These outlets are rarely used. I was also wondering about using that same living room line, or another nearby low usage line (furnace), to share with the kitchen gas stove and overhead exhaust filter?

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The most relevant NEC section is:

210.23(A)(2) (2)Utilization Equipment Fastened in Place. The total rating of utilization equipment fastened in place, other than luminaires, shall not exceed 50 percent of the branch-circuit ampere rating where lighting units, cord-and-plug-connected utilization equipment not fastened in place, or both, are also supplied.

Roof icer plus dishwasher sounds like a bad combination. Putting all your fixed items together (e.g. furnace) is reasonable.

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