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My basement is long and mostly finished- There are three light switches at both ends, I built a bedroom in the centre of the room, so I moved the lights and tried to put a new light switch for four of the light, now I can not get any of then to work. The wire has a red, black and white, but the switch only has two screws. Please help


One of the boxes this is the one that works


light switches more photos to come


More of the basement lights and switches


More of the basement lights and switches


More of the basement lights and switches

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    It would help a lot to see some photos of the inside of the box. Have you tried attaching the switch to the red and black? – Harper Apr 7 at 21:51
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    Hi Samanta, welcome to the Home Improvement part of Stack Exchange. Your question will need a lot more details about how things were wired and how you changed it before it stopped working. The folks here are not able to enter your basement to take a look so we need your help. – Michael Karas Apr 7 at 21:52
  • There were three sets of pot lights- each set had a light switch on both ends of the room. I could only get one set to work. In the new room I have the four pot lights connected. The wire in the switch box has a red, black, white and ground, the new switch only has two screws both the same colour- I then used a wire with black and white with aground and attached the three lights – Samantha Apr 7 at 22:03
  • Hi Samantha. Instructions for uploading photos are here: diy.meta.stackexchange.com/questions/523/… – Niall C. Apr 7 at 22:39
  • Use the edit link underneath your question to update it with new information. – Niall C. Apr 7 at 23:10
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To wire your lamp to be controlled by 3 or more switches the "middle" switches must be "intermediate" or "cross-over" switches with 4 terminals, which cross the strapping/traveller pair.

https://en.wikipedia.org/wiki/Multiway_switching#More_than_two_locations

protected by Community Apr 7 at 22:59

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