SWITCHING OFF
Lights, fan, AC etc., left on in an unoccupied room is sheer wastage of electricity, for which you are paying. It is not free. Lights are kept on in passages, courtyards or outdoors, but those are for safety purpose. It does not take any prolonged effort to put off a light; just a flick of the switch does the trick, compared to the effort of lighting a kerosene lamp or a candle just a few decades ago. Even the government exhorts everyone not to waste electricity, as whatever saved can light up another’s home. But some people, when on tour or holidaying, and staying in a hotel, “forget” to switch off the lights, fan etc when going out. Whatever their thinking, the hotel was the sufferer, so hotels started to install a master switch outside every room which would cut-off electricity to that room. The hotel staff had to go to each floor to do this. Personnel were involved, and some rooms could be left out. Very soon, manufacturers invented a switch which was installed