Do you need a grounding wire on the aluminum gusset in the bathroom?

Of course, as long as it is an electrical device, it must be grounded, but the grounding method is different.

Why do you need to connect the ground wire to the metal body? This is unsafe, there is a special grounding wire in the junction box of the building, you only need to connect the ground wire to the ground wire in the box through the plug. For reference, hope to adopt.

Household installation ground, use galvanized steel pipe or galvanized angle iron, drive at least 2 meters into the ground, and the joint can be treated with anti-corrosion, and the galvanized will not rust. >>>More

All the grounding wires in the bathroom can usually be connected in series, depending on the distribution of your wiring.

According to Article GB50169-2006 "Code for Construction and Acceptance of Grounding Devices for Electrical Installation Engineering", it is stipulated that when copper wire is used for equipotential grounding, its cross-sectional area should not be less. >>>More