![]() A single pole is good for small rooms with few light sources, while a multi-way switch is for large rooms and stairwells.įrequently Asked Questions Does it matter which wire goes where on a 3-way light switch?.A single-pole switch controls a ceiling light from one location while the three-way control light from two different locations.The toggle switch for a single-pole has ON and OFF while the 3-ways doesn’t have.A single pole light switch has two terminals and a ground screw while a three-way switch has 3, plus a ground screw.Two Romex cables with four wires and an earth cable joined at the junction box to connect the traveler terminal of the two switches and the bulb.ĭifference between three-way switches and single poles 3-way wiring diagram: Power to the junction box.įrom the above wiring, the supply enters the junction box and connects to the common terminal of the right switch. ![]() Note: The neutral (white) wire from the supply moved to the bulb without branching to any switch.
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