Adding A 3 Way Switch To Existing Light

Adding A 3 Way Switch To Existing Light. Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. Otherwise, this may confuse you a little.

How to Wire and Install 3-way Switches - YouTube (Amelia Hammond)

Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. Connecting to a loop-in rose of an existing light, from Break into the existing lighting circuit cable at the point you have run the new cable to. A three-way switch is a handy convenience to control a light from two locations, such as at the top Mark this third wire with a piece of tape and mark the wire on the same side of the switch directly If the existing switch has a green ground wire, attach the wire to the green screw terminal on the new.

I can not add any wires between the two lights as everything is closed up in the wall.

This cable has four conductors instead of three.

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How to Wire and Install 3-way Switches - YouTube

I have another light fixture I would like to add to this circuit. Remove the cover plate from the existing light switch. The most basic three-way switch setup has two switches that connect and control one light fixture, like With a few twists of a wire nut, I added this green wire to the group of existing copper wires which for the record.