This was partially covered in a older, but still relevant for my project. I'm installing a pair of 90 C. temprature rating florescent lights in a bathroom redo. My question is, if I leave the existing 60 temp wire up to the wall switch then run new 90 C wire from the wall/Dimmer switch to the pair of lights (appx 4 '). Is that sufficient or do I need to provide a length of (new) wire in front of the switch? If so how much? Would it be beneficial to use armored cable from the dimmer to the fixtures ? Thanks Dan

I have 2 light, left and right of garage doors. The light switch is inside the house. I'm attempting to install a motion detector. I removed the left light to fix a problem. Re-connected it and apparently wired it wrong. There are 2 black, 2 white and one red coming out of the wall. The light have 1 black and 1 white. I connected black to black and white to white. The left light went on. No light in the right light. I then attached the red wire at the left light to the black wire and both lights went on. However when I attached the red, white and black wires from the detector to the wires between the lights, it doesn't work. The lights go on and off with the switch, but the detector doesn't work.