Few circuits are as simple as this first one, however, for there are generally additional lights or receptacles installed elsewhere, either in the same room, or in ... The simplest of this type of switch is called a 3-way switch, probably because it has three terminals (Figure 13-9a). ... The wiring diagram in Figure 13-10 shows anbsp;...
|Title||:||Fundamentals of Electricity|
|Author||:||Russell R. Thwaits|