What do the switch indicators 0 and 1 mean?

Switch is very important in our life, it can control the switch of the circuit and ensure the normal use of indoor appliances. However, in order to use it for a longer time, it is necessary to choose a switch with good quality. So what do the switch indicators 0 and 1 mean and how to choose the switch? You got it? Now let's take a look.

1. What do the switch indicators 0 and 1 mean?

The switch indicator "0" stands for "off" and "1" stands for "on". The switch plays a very important role in the whole circuit. When the switch is closed, it can open the circuit, let the current pass, and ensure the use of indoor appliances. When the switch is turned on, it can break the circuit and prevent the current from flowing.

Second, how to choose the switch

1. When you buy a switch in the store, you need to observe its appearance. Generally speaking, the outer surface of a good quality switch is very smooth and has no burr. The raw material used is PC imported from abroad. However, the poor quality switch gives people the impression that it is very rough, has poor flame retardancy and has potential safety hazards.

2. Touch the outer surface of the switch by hand, and judge the quality of the switch by your own hand feeling. If the switch feels light, tight and full of power, it means that the quality of the switch is good, but the spring feels soft and easy to get stuck, so there is something wrong with the quality of the switch. A good switch has high safety performance.

3. The material of the switch also needs special attention. Good quality switches are made of flame retardant materials, so you can conduct a combustion test when you buy the switch. If the switch is of good quality, there will be no flame when the switch panel is taken out again. Besides, a good switch is relatively heavy.

Firstly, the meaning of switch indicators 0 and 1 and how to select switches are introduced. You got it? Pay special attention when buying and selling switches. Only by purchasing good quality switches can normal use be guaranteed.