What is a master switch in electrical wiring?
What is a master switch in electrical wiring? In electrical wiring, a master switch is a switch that can ON or OFF or both ON/OFF a group of loads irrespective of their individual ON/OFF switch control. Using a master ON circuit a group of lamps or loads can be turned ON and kept in ON position even its individual control switches are turned OFF. Which is the master on and off switch? A master ON and OFF circuit can either turn ON or turn OFF the lamps irrespective of their individual control. Master ON switch is the most common type...