Do You Need 3 Wires for a 3-Way Switch? Essential Wiring Explained
Learn why a 3-way switch requires 3 wires plus a ground wire for proper operation and safety in controlling lights from two locations.
Is There a Neutral Wire in a 3-Way Switch? Understanding Wiring and Code Requirements
Learn if a neutral wire is present in a 3-way switch circuit and why newer codes require it for smart switches.