Quick switching circuit emergency lighting for _Parts of the second_ with high current support and can be connected to the lamp directly in a place close to the city power line AC 220v Explanation

1- When the public electricity (220v AC) is working, the Relay will be on and lamp off

2- when public electricity AC turn of, the relay will be switched off and emergency lamp on

3- Very Fast switching Parts of the second

4- High current

5- Small, cheap and can be used in many applications

Note

-Do not touch the circuit while working on AC 220 to avoid Electric shock

-keep it away from children in a high place

-Place the circuit in a suitable box to avoid Electric shock by water, Humidity and metal surfaces