1. The power switch is generally between 1.2m and 1.4m from the ground (generally the height of the switch is as high as the shoulder of an adult), and it is installed at the same height, with a difference of no more than 5mm;
2. If several switches are installed side by side or multiple switches, the position of the control appliance should correspond to the position of each switch function, such as the leftmost switch when controlling the leftmost appliance;
3. Ordinary power sockets without special requirements are installed 0.3m from the ground, and installed at the same height, with a difference of no more than 5mm;
4. Wall sockets for audio-visual equipment, desk lamps, wiring boards, etc. are generally 0.3m away from the ground (the sockets in the living room are determined by the TV cabinet and sofa);
5. The socket of the washing machine is 1.2m to 1.5 cm from the ground;
6.The socket of the refrigerator is 0.3m or 1.5m from the ground (depending on the location and size of the refrigerator);
7. The sockets of air conditioners and exhaust fans are 1.9m to 2.0m from the ground;
8. The socket of the electric water heater should be installed 1.4m~1.5m from the ground on the right side of the water heater. Be careful not to install the socket above the electric heater;
9. The sockets on the terrace should be above 1.4m from the ground, and avoid the sun and rain as much as possible.
