House Wiring for Beginners - DIYWiki A high current MCB supplying storage heaterstimes these are run from the main CU, but often from a timeswitch controlled dedicated CU (with either a separate "off peak" electricity meter, or a dual tariff meter).; The radial lighting circuit has 3 common wiring options, which may be mixed at will: "Loop-in" (as per diagram above). The circuit is fed to each lamp fitting in turn, and a Wiring Examples and Instructions Wiring Diagram List. You may scroll through the images below to search for related diagrams or components you are interested in and click on the image to go directly to more information. Basic 2-Way Switch. Basic 3-Way Switch. Basic 4-Way Switch. 2-Outlets in Series. Dryer Outlets. Dryer Connections. Option Manual: Setworks for 97+ Sawmills (CS Only) PDF fileSimple Setworks Safety, Operation, Maintenance & Parts Manual SW for ’97+ mills rev. A - L Safety is our #1 concern! Read and understand all safety information and instructions before oper- Light Switch Wiring Diagrams - Do-it-yourself-help In this updated diagram, 3-wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch. The neutral from the source is spliced through to the switch box using the white wire and in this diagram, the white wire is capped with a wire nut.