A terminal is the name of equipotential connection terminal, which means to building all the internal structure of the metal are connected together, create equal potential, so when the leakage points in indoor potentials are equal, thereby not current generation.

High-grade construction must have the equal potential connection, to ensure the safety of occupants. In the bathroom can take the equipotential connection terminal and electric water heaters, washing machine casing connection, so even if there is leakage will not cause harm, you can rest assured that boldly open electric water heater to take a shower.

Intercede with custom is: even if your electric water heater shell charged, you use wet hand to touch, will not get an electric shock the.