Some basic knowledge of switch sockets

Switch sockets are touched every day. The use of switches directly affects everyone‘s life and safety, so it is necessary to spend a little more time understanding the knowledge of switch sockets.

    The introduction of the switch socket according to the function classification, the knowledge is not comprehensive, separate classification, the use of functions and applications are not detailed, not very practical. Therefore, I have recently carefully combed the relevant information and wrote the following knowledge about the switch socket, which is convenient for friends who need to know the household switch socket.

    Second, switch product knowledge:

1, a few open: indicates that there are several buttons on a panel.

2, single control: ordinary button switch, generally a switch to control a light.

3. Dual control: The dual control switch can control one lamp together with another dual control switch. Turning on the lights in the living room and turning off the lights in the bedroom is to use the dual control switch.

4. Speed ​​switch: adjust fan speed.

5, dimmer switch: mainly used to adjust the brightness of incandescent lamps (ordinary tungsten filament bulbs), saving energy.

6. Sound and light control switch: The switch controlled by sound and illuminance, when the brightness of the environment reaches below a certain set value, and the ambient noise exceeds a certain value, the switch will be turned on.

    Third, the socket specifications and use

1, 10A socket: 2200W or less electrical appliances.

2, 16A three-hole socket: also known as air conditioning socket, air conditioning below 2.5P.

3, three-phase four-wire socket: 25A socket, used to connect to the central air conditioning.

4, 20A three-hole socket: 3P or more air conditioner cabinets.

5, four holes: can be connected to two plugs.

6, five-hole plus switch: the switch can be used independently as a switch can also be used to control the socket

7, multi-function five holes: three of them can be connected to two plugs can also be connected to three plugs, as well as foreign imports of electrical plugs.

8, whiteboard: also known as the cover, blank board, used to block the hole.

9, computer socket: also known as information outlets, network outlets, broadband outlets (RJ45).

10. TV plus computer: Connect the dedicated TV socket of the set-top box, or connect one interface to the TV and one to the broadband network (RJ45).

11, TV plus phone: one interface to connect to the TV, one interface to answer the phone (RJ11).

12, dual TV socket: can connect two TV signal lines.

13, socket wiring rules: left zero right fire on the ground.