Question

Problem 17

Answer 1

Given information

here given the figure from that design the circuits which have two different switches 

the two way switch is used to On and Off from two different location and this type of switch used in home wiring.

Step-by-step explanation

Step 1.

the common, line l₁ and l₂ are the three terminals of the two-way switch.

The  l₁  terminals of both the switches are connected to phase, and l₂ terminals of both the switches connected to one end of the lamp terminal and the other end of the lamp terminal are connected to neutral of the AC supply.