4 Way Electrical Wiring. For other electrical wiring questions, visit the excellent Electrical Wiring FAQ. Electrical Wiring » Indoor Wiring ».
In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load (often, but not always, lighting) from more than one location. Three and four-way switches work by opening and closing the circuit by numerous variations. Learn how to wire a ceiling fan or light fixtures for any room in the house, install electrical outlets, and stay safe while doing it at DIYNetwork.com.
When you're done with all the wiring, wrap any exposed wires with electrical tape and turn the electricity back on.
Power Supply Wiring The furnace MUST be electrically wired and grounded in accordance with local codes, or in the absence of local codes with the latest burner manifold while the furnace is operating.
This circuit also shows rough-in boxes, wire nuts, and proper color code. In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load (often, but not always, lighting) from more than one location. Copper Nickel Instead of Copper, Longer Life Time!