Does the terminal box need to be grounded
Metal electrical boxes must be grounded because they are conductive components that enclose energized wires and connections. For one thing, the conductors are passing through box mounting holes! That particular kind of conductor belongs in conduit, which should be entering through one of the circular knock-out holes in the box. We can see the box is mounted to the drywall with simple sheet metal mounting tabs, and based. In this article, we'll discuss why grounding is so important and how you can go about doing so in an effective and efficient manner.
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