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It really depends on the tombstones your light fixture came with. I did the LED retrofit for all the light fixtures in my plant, and some of the fixtures had tombstones that only had two holes on one side, some tombstones had only one hole on each side. I was able to modify a lot of the tombstones that originally came with the light fixtures, but there ...


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It turned out that the neutral is grounded. The electricity company is actually grounding the neutral from the distribution room. That's why they are grounding the main building panel. I bootlegged the neutral to ground and it works fine now. I actually not considering that bootlegging is a SOLUTION. But according to the fact that the neutral is grounded, ...


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