![]() The two conductor switch wiring diagram at the top of this post is from older homes and is likely not used much anymore, depending on which code book is in force in each jurisdiction. Light switch wiring diagrams and wiring methods are sometimes furnished to the contractors doing the installation.įor WiFi smart switches, you must adhere to the manufacturer’s wiring instructions.ĪN UPDATE to the National Electrical Code (NFPA 70, 2020) in article 314.27(C) now requires that all ceiling light electrical boxes in habitable rooms at likely ceiling fan locations be rated for ceiling fan support. In commercial and industrial construction, the architects and engineers who designed the project sometimes determine the light switch wiring methods and materials. If you plan to install a ceiling fan, visit my Ceiling Fan Wiring Diagrams post by clicking here. As an Amazon Associate, I earn from qualifying purchases. NOTE: Some text links below go to applicable products on Amazon. The choice of materials and wiring diagrams is usually determined by the electrician who installs the wiring and by the electrical and building codes in force at the time of construction. Electrician: What are the choices of light switch wiring diagrams to wire a light switch to a ceiling light?Īnswer: Light switch wiring diagrams are below.
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