Light Switch Wiring Diagram (Single Pole) Whether you have power coming in through the switch or from the lights, these switch wiring diagrams will show you the light. Light Switch Wiring Diagram (Single Pole) This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house.. Home Wiring Basics That You Should Know Dec 24, 2018Home Wiring Basics. The meter records all electricity used by the home, measured in kilowatt-hours, or kWh. A 100-watt light bulb burning for 10 hours uses 1 kWh of electricity. Meters may be analog or digital type, although most new meters are digital and can be Wiring a Basic Light Switch Diagra - Electrical-online Power Into Switch – Out to Light. Click on Image for Larger Size. Related posts: Wiring a Light Switch. The Basic 3-Way Switch Wiring Diagram. Wiring a 3-Way Switch. Wire a 3-Way Switch to Control a Light PLUS Keep a Duplex Receptacle Hot. Wiring a 4-Way Switch.