The photocell sensor switch is fast gaining on the wide usage of the time switch in cases where lights must be ON during night times. It is very widely used in public lighting systems nowadays. The photocell sensor switch works by using light sensitive cells somewhat similar to the solar cells. These cells are very sensitive to light and when there is light, the cell strips will expand enabling the strip to open two terminals akin to our normal switches. When it gets dark, it contracts to it’s normal length thereby closing the circuit again. With this capability it is [...] Read more »
What Is A Time Switch
As the name suggest, a time switch is a switch that can switch ON or OFF automatically on a specified and configured time. It is normally used for street lighting, compound lighting, corridor lighting and where ever there is need for the lights to come on at certain hours of the day. There are two main types of time switches and the most common one is the one that has a clock built into the switch. The motor is similar to the motor of our house clock and all the user has to do is to set the time for [...] Read more »
