The switch should be as few as possible. If there are more switches, its operation will be very complicated. The fewer electrical appliances are, its failure rate is the lowest monthly.
The fewer switches, the better. If there are more switches, its operation will be very complex. The fewer electrical appliances, and its failure rate is the lowest in a month.
The fewer switches, the better. If there are more switches, its operation will be very complicated, but if there are fewer electrical appliances, its failure rate will be the lowest.