Spark was seen, there was also a pop sound when the contact happened. The other three pot lights that were installed at the same time all went out, but all other lights in the house were unaffected. It did not trip the breaker, and a reset to that breaker did not bring the power to that section...

in our upstairs hall we've got a couple of lights on a circuit with a regular on/off switch upstairs and downstairs a combined one/off for the lights and a fan control. doesn't matter which switch we use to turn the lights on, but after about five minutes they start to fade and eventually are...

I just purchased a re-sale light fixture. When I looked at it, it has what looks like an extension cord but no ground wire. It requires 2-40 watt max lights. There is no smooth / ribbed wire as I've seen before. Should I be ok to connect black and white to the existing wire on the light...