I have a multiwire beach circuit which feeds the furnace and the laundry area. At the junction box where the neutrals are tied together, what do I do with the ground wires from each circuit (furnace & laundry)? Are they tied together? Not used?
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ThreePhaseEel
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Mak2290
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Post a pic of the inside of the junction box. – RibaldEddie Apr 23 '22 at 03:09
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Tie them all together and to the box
Grounding conductors are always tied together at every box; since you have a metal box, you need to provide a grounding pigtail to the box as well.
ThreePhaseEel
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1OP needs to find a ground screw. It should be a 10-32 machine screw with a hex or round head. – RibaldEddie Apr 23 '22 at 03:29
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1@RibaldEddie -- yeah, they can just get the pre-made grounding pigtails and put one in the correct size hole tho :) – ThreePhaseEel Apr 23 '22 at 03:30