![]() The 3-way switch also could be used as the single-pole switch.ģ. The 3-way switch is designed to turn on/off the light at 2 places, but could not control the speed and brightness. The dimmer switch is designed to turn on/off the light at only 1 place, besides, it also could control the fan speed or light brightness. The single-pole switch is designed to turn on/off the light at only 1 place, but could not control the fan speed or light brightness. What is the difference between the single-pole switch, dimmer switch, and the 3-way switch? Suggestion: It's better to make marks with label stickers for wires before removal and replacement.Ģ. Learn how to distinguish wires, this video is for your reference: Learn how to install our switch(es) efficiently, please check the below YouTube video link: ![]() ![]() ![]() If your house was built in the mid-1980s or later, there is an excellent chance that you have neutral lines in the box. ![]() If there is a wall outlet near the switch, most likely that switch box has a neutral. If there are multi-gang switches, that has a much higher likelihood of having neutrals. The best way is to check the actual wires in the switch box, the neutral line is often going to be colored white, but it also may be other colors. Does it need a neutral line? How could I know whether there is a neutral line? ![]()
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