Q. If five numbers of lamps to be installed in godown wiring, we require
Solution:
The phase has connected to the common pole of the first switch. The 1st throw of the switch has connected to load. And the 2nd throw has connected to the common pole of the next switch. Initially, common poles of all the switches are positioned to the 1st throw of the SPDT switch. So in such an arrangement, changing the switch position to 2nd throw OFF?s previous load and ON the next one. By this arrangement, an infinite number of loads can be connected in a sequence.
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