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3

The problem is, whenever you turn one set of lights on, power can go through that shared light into the other circuit. So each switch controls all lights. While it -might- be possible to make 2 light groups (1 common light) work the way you want with two 4-way switches back-wired through each other, you're asking for something even more complicated. Each ...


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Pretty simple question that seems to have gotten out of hand. I believe the OP was trying to fix or modify a work bench like this one, pictured. These would be the correct off-the-shelf parts... pretty legit if you ask me. Good luck finding a non-Decora GFCI for it, no wonder they needed a seprate GFCI.


2

You can do it using only 12/2 and 12/3 cables like this. Or you could use 12/2 and 12/4 cables like this. Because there will be so many wires in the box, you'll want to get at least a 34 cu. in. double gang box. Like this one. NOTES: I've excluded grounding conductors from the images to increase clarity. Do not forget to connect all grounding ...


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Any thoughts? Plainly something is messed up. I have many times taken apart a switch and discovered that the previous homeowner was creative in their choices. A recent one: white was hot and black was neutral, ground was open, the switch was wired to interrupt the neutral, the white wire from the lamp was connected to the black wire from the wall, and ...


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You'll start by connect the grounding conductor to the green screw. The black wires that are currently attached to the old switch, will attach to the black and brass colored screws on the new switch. Finally you'll have to locate a grounded "neutral" wire; or group of wires, within the box. Using a twist-on wire connector, connect a short bit of wire to the ...


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It could be the connection or the sensor. If those connectors move a lot when you wiggle them, they may just be loose, and vibrations from the furnace affecting them. So the first thing I would try is pulling the connectors off and squeezing them a little bit with a pair of pliers, so they dig in a little tighter when you put them back on. That costs ...


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Should be doable with relay logic. Switch one powers the center top light and the coils of two relays that do the top left and right corners. Switch 2 powers the left-center 2 lights and the coils of two DIFFERENT relays that power the top and bottom left corners. Switch 3 (once you correct your diagram per comments) powers the bottom center light and the ...



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