Do these boxes need to be grounded? : r/electricians
Do these boxes need to be grounded? Inspector is telling us these need to be grounded even though they''re pass throughs. I''ve done it this way a hundred
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Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). 26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. If you've ever found yourself scratching your head over whether that metal door on your distribution cabinet really needs a grounding wire, you're not alone. Preparation: First, you need to prepare some necessary tools, including grounding wire, grounding rod, voltmeter, insulating gloves and insulating tools. In modern power systems, distribution boxes are the core equipment for power distribution and control, and their stable operation is crucial to ensuring the safety and reliability of power supply.