Where is the equipotential connection of the toilet?
[Guide]The equipotential of the bathroom is connected to the grounding of the building structure steel bar on one side, and the equipotential terminal is connected to the sanitary ware in the bathroom on the other. The toilet equipotential terminal is connected to the structural steel bar of the building body through a wire. The structural steel bar has a grounding point at the foundation, so the toilet equipotential terminal is a grounding device, which is connected to the earth and is a grounding protection. This connection is generally completed when the building is handed over, and the grounding is effective when tested during the decoration.
Building grounding protection is mainly to avoid lightning strikes. Fires often occur in ancient civil buildings. Among them, there are not a few damages caused by lightning strikes because there is no grounding. The conductivity of reinforced concrete in modern buildings is better during thunderstorms, so in order to avoid thunder and lightning. If it is damaged, it must be grounded. In addition, current buildings are equipped with electrical circuit systems. There are more indoor appliances. Thunder and lightning are introduced into indoor appliances along the wires, which will cause great harm to the appliances or the human body.
Local equipotential terminals in the bathroom are generally connected to the electrical enclosures, water pipes, faucets, etc. in the bathroom that are prone to electric leakage and electric shock, such as the switch of the shower mixing valve, the faucet, the metal drain pipe, the water heater shell, and the water heater mixing. Valves, radiators, towel racks. The bathroom is a humid place. Although the socket has a grounding wire, once the power leaks, the instantaneous voltage is beyond the safe tolerance range of the human body. Moreover, if the socket ground fault occurs (the socket ground wire fails) or the switch fails to be reported, it is easy to cause harm to the human body . Therefore, equipotential wiring is very important, and it is the lifeline of electricity safety in the bathroom and cannot be ignored.
Equipotential connection, use double-color copper wire (common color for ground wire) to connect the equipotential terminal with the toilet water outlet and metal conductor. After connection, use professional equipment to detect, and the resistance should not be greater than 3 ohms. PVC or other non-conductive materials should be used for the conduit through which the wires are passed, and metal pipes should not be used.
To make equipotential connection, please ask professional and responsible electrician masters with a strong sense of professional responsibility, and have a job certificate to install, so that the quality assurance is better. Do the relevant tests after the installation is complete.
Source: Electricians and Electrical Learning
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