Wiring Receptacles and a Light Switch - Ask the Electrician Wiring for Receptacles and a Light Switch Electrical Wiring: How do I wire a single pole switch, one light, and two receptacles for a bedroom. The switch would only control the light. I was wondering if I can connect all four together so they work properly. Wiring Diagrams for Electrical Receptacle Outlets - Do-it Wiring a 20-Amp 240-Volt Appliance Receptacle. This outlet is commonly used for a heavy load such as a large air conditioner. The outlet should be wired to a dedicated 20-amp/240-volt circuit breaker in the service panel using 12|2 awg cable. With this wiring, both the black and white wires are used to carry 120 volts each and the white wire is wrapped with electrical tape to label it hot.