How To Ground A Wire？

1, A three-hole socket is connected to the earth wire. Left is the neutral wire and right to firewire.

2, with steel pipes and other metal objects buried in the earth, precisely according to the earth’s resistance value to choose, connected to the distribution box with a wire, and then distributed to each outlet.

3, the family ground, the wall of the three-phase plug alone on the top of a phase, is the ground. Some old buildings do not have a foundation. It is best to take it apart to see if that phase is wired on the right.

4, if it is a factory, the general distribution cabinets have ground, as long as it is received on the main body of the cabinet on the line, the outside of the building to the ground, underground metal objects are steel, some are steel bars.