How to connect the grounding connection for the distribution box door
Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). When inspecting the interior of a stainless steel outdoor electrical box distribution box, pay attention to the copper or tin-plated terminals on the base plate or side walls. 26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. Why ground the door if the cabinet body's already grounded? Imagine this scenario: You're racing to finish wiring up a production line. Then your supervisor walks by and points at the ungrounded door— "Add a wire to that!" Ugh. Preparation: First, you need to prepare some necessary tools, including grounding wire, grounding rod, voltmeter, insulating gloves and insulating tools.
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