Switch and Socket

A switch is an electrical appliance used to control the connection or disconnection of a circuit, usually with one or more buttons or toggle parts, which can be manually operated to change the state of the circuit.

Socket is the insertable seat that one or more circuit connections are arranged, can insert various wiring by it, is convenient to connect with other circuits, and usually has one or more jacks, can be used with the plug cooperation of different types.

Switch and Socket Type

Single Control Switch

Single Control Switch

Control the connection and disconnection of the fire wire.
Double Control Switch

Double Control Switch

Two switches are required to be used together to control one load at the same time.
Doorbell Switch

Doorbell Switch

Three switches control one load on and off at the same time.


Sockets are divided into two-pole plugs, two-two plugs, three-pole plugs, two-three plugs, two-two-three plugs, and three-phase four-wire sockets.
Switch Socket

Switch Socket

No need to unplug the plug, just turn off the switch on the socket to cut off the power supply, so that the unplugged wires will not hang and affect the appearance.
Network Socket

Network Socket

Socket for connecting to home network.
Satellite Socket

Satellite Socket

Sockets that allow your TV to receive TV network signals.
Telephone Socket

Telephone Socket

Socket for telephone communication.


  • According to the installation and use habits, there are 86 types for concealed installation, 118 types for concealed installation, 86 types for surface installation, and 118 types for surface installation.
  • According to the function, there are single control, double control, multi-control and other switches, which are used to control different numbers of lamps and lanterns.
  • According to the appearance, there are switches with frame and without frame. The switch without frame has higher appearance, and the price with frame is lower.
  • According to the material, there are PC material and USB plastic shell material, tin phosphor bronze and brass current carrier material, sterling silver and silver alloy contact material.
  1. The first thing to consider is safety, choose a switch with good flame retardancy and a protective door to avoid electric shock or fire caused by inferior products.
  2. Secondly, we must consider the practicality, choose a switch that suits your needs in terms of specifications, functions, and number of holes, and pay attention to whether the spacing is reasonable and whether it is convenient to use.
  3. Again, consider the aesthetics, choose a switch with an appearance design and color that matches the decoration style, and you can choose products with high appearance such as borderless or fluorescent strips.
  4. Finally, we must consider the brand and price, choose brand products with good reputation and guaranteed quality, and compare the prices and cost performance of different brands and series.
  1. Before installation or replacement, cut off the power supply, use insulated tools, and keep tools and hands dry during operation.
  2. When disassembling the old switch, mark the wiring and take photos for reference.
  3. When installing a new switch, pay attention to the corresponding wiring, and connect and fix it according to the instructions.
  4. After the installation is complete, check whether it is firm, and use a multimeter to test whether it works normally.
  1. Cut off the power to ensure safety.
  2. Wipe the surface of the switch with a clean and soft cloth. If there is stain, you can wipe it gently with a slightly damp cloth. Do not use corrosive or abrasive cleaners.
  3. Use a cotton swab or toothpick to clean the switch gap to remove dust or debris, do not use metal or sharp objects.
  4. Use a hair dryer or dryer to dry the surface and crevices of the switch to avoid moisture residue.
  5. Restore power and check that the switch is working properly.
  • The isolating switch is a device used to achieve electrical isolation in a power-off state, and cannot be switched on or off with load. It is mainly used for switching power supply or isolating power supply.
  • A circuit breaker is a device used to switch on or off a circuit under normal or abnormal conditions, and has functions of overload protection and short circuit protection. It is mainly used in control circuits or protection circuits.
  • Air circuit breaker is the abbreviation of air circuit breaker, which is a circuit breaker with an air interrupter and can automatically cut off the fault current. It can be used both as a control device and as a protection device.
  • Divided by function, there are ordinary sockets, air-conditioning sockets, computer sockets, TV sockets, floor sockets, etc.
  • According to the number of holes, there are five-hole, three-hole, four-hole, seven-hole and other sockets, and the five holes are divided into positive five holes and oblique five holes.
  • According to whether it has a switch or a USB interface, there are sockets with a switch or a USB interface, and there are sockets without.
  • According to the appearance, there are framed and frameless sockets.
  • According to the material, there are PC material and USB plastic shell material, tin phosphor bronze and brass current carrier material, sterling silver and silver alloy contact material.
  1. Living room: 9 points in total, including 1 switch (at the entrance), 1 16A three-hole socket (for air conditioner), 1 cable TV socket (behind the TV cabinet), 4 five-hole sockets (behind the TV cabinet and Two on each side of the sofa), one network cable socket (behind the TV cabinet).
  2. Bedroom: 8 points in total, including 1 pair of switches (at the entrance and at the head of the bed), 4 five-hole sockets (two on each side of the bed), 1 16A three-hole socket (for air conditioning), and 1 five-hole socket Socket (spare).
  3. Restaurant: There are 3 points in total, including 1 switch (at the entrance), 1 five-hole socket (below or on the side of the dining table), and 1 five-hole socket (spare).
  4. Kitchen: 8 points in total, including 1 switch (at the entrance), 1 five-hole socket (above the stove), 1 16A three-hole socket (for refrigerator), 3 five-hole sockets with switches (above the operating table ), 2 five-hole sockets (spare).

The installation position and height of the socket should be determined according to the function of the room, the placement of furniture, the needs of electrical appliances and safety factors. Generally speaking, the lower edge of the socket is 0.3 meters from the ground and installed at the same height, and the difference cannot exceed 5mm; on each wall of the living room and bedroom, the distance between two sockets is not higher than 2.5 meters, and at least one spare socket is installed within 0.6 meters of the corner. Socket; the socket of the washing machine is between 1.2m and 1.5m from the ground, and it is best to choose a three-pole socket with a switch; The socket should be set according to the type and location of the air conditioner; the socket of the range hood should be 1.8 meters to 2 meters above the ground, and it is best to be covered by the exhaust pipe; the socket of the electric water heater should be installed 1.4 to 1.5 meters away from the ground on the right side of the water heater. Be careful not to set the socket above the electric heater; the balcony socket should be more than 1.4 meters away from the ground, and avoid the sun and rain as much as possible; the socket in the kitchen, bathroom, balcony and other humid environments should be as far away from the water area as possible, and Use outlets with splash-proof covers.

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