This page contains wiring diagrams for a service panel breaker box and circuit breakers including: 15amp, 20amp, 30amp and 50amp, as well as a GFCI breaker and an isolated ground circuit.
This wiring diagram illustrates installing a 15 amp circuit breaker for a 120 volt circuit. The 14/2 awg cable for this circuit includes 2 conductors and 1 ground. A 15 amp circuit is usually used for wall receptacle outlets and light fixtures.
Here a receptacle is added to a 3 way light circuit before the first switch. It is not controlled with the switches but is instead always hot. The source hot, neutral and ground are spliced to a 2-wire cable that runs to the new outlet. The 3 way switches and light are then wired in the usual way with the common on SW2 spliced to the source hot and the light hot wired to the common on SW1.
This wiring diagram illustrates wiring a light switch to control an existing receptacle outlet. The source is at the receptacle and a switch loop is added to a new switch. The hot source wire is removed from the receptacle and spliced to the red wire running to the switch. The black wire to the switch connects to the hot on the receptacle.