How To Ground The Distribution Box

How should we protect ourselves from the safety issue? For example, for High And Low Voltage Distribution Cabinets, the distribution box needs to be grounded regardless of size. So how should the distribution box be grounded?

1. The grounding "bus" (grounding bus, PE bus) in the box is directly connected to the power ground wire or grounding system;

2. The metal box itself should be processed with a "box grounding bolt" (with PE mark), which must be connected to the grounded PE bus with a copper core wire or a special braided soft wire;

3. The metal threading pipe connected to the box must also be electrically connected to the box (it can be simply connected by welding with galvanized round steel or flat steel);

4. The part of the electrical components in the box that needs to be grounded must also be connected to the PE bus;

5. All ground wires in the circuits that need to be distributed are led out from the PE bus.