Automatic UPS System in Case of some items on UPS and rest on main power supply

By Bharat Ribadiya -
Sometimes you wants to connect only some appliance or just one emergency light or PC, this article is about how to connect automatic UPS system in case of  some items depends on UPS and others are on main power supply. The below circuit diagram is suitable for home and office.
Their are two bulbs, one fan and one 2-pin socket in both rooms. Now, suppose you wants to fan and one bulb is fully depends on automatic UPS system while other are on the main power supply. In case of main power failure the fan and a bulb will work on UPS system in both the rooms and when main power supply available all these appliance will work. 


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