· It is often used copper bonds with diameter from 14mm upwards, and 2m long.
· Depth and number of bonds depend on the geology, but measured resistance is under 10 ohm.
· The bond must be connected by wire, welding or using copper bulon.
· Ground wire is connected to the metal cover of the electrical equipment in the house.
Note:
- Currently, most of the electrical wires are connected via the plug with 3 feet in the market, so just here to plug into the 3 hole. When using the 3 feet plug plugged into socket 3 holes .
- Now, some advanced apartments are intrerested in this problem. There are sockets with 3 "legs" in the flat, which has a "leg" conneted to the land is quite safe.
- The color of ground wire is green and white striped.