Junction Box Grounding Bolt
When mounting a junction box, it is recommended to use #8 pan/washer head screws that are at least 3/4" long but not exceeding 1" in length. These screws are typically available in Phillips or square drive #2, although straight drive options may also be available. Get reliable electrical screws for wall plates, outlets, and switch installations. Its function is not to carry current under normal operating conditions, but to provide a dedicated, low-resistance path for fault current. Shop the #10-32 x 3/8, 100PK combination head self drilling/tapping screw from Southwire. Because metal is conductive, the box itself can become energized in the event of a fault, posing a risk of electric shock.
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