It started innocently - the answering maching keep resetting itself and beeping. I thought it was going bad. Then last night my wife shouts at me to come into the washroom. As I get in there she said something sounds like a bee in the breaker box. I wait and sure enough I can even see the sparking. I reach up and pull the 200 amp main.

I removed the cover and did a quick inspection. I found a screw on the neutral bar fused and the screw above that one was not even tightened down. I tightened down the screw and restore the power. There was still sparking going on at the one that's been fused.

I isolated the breaker and pulled everything off that branch (3 computers, answering machine, printer, etc.) and restored power. It was fine for a little while and then continued to spark.

Did the loose screw above the fused screw cause the problem?

Questions...

a) Should I cut the neutral wire at the fused screw and put it in a new hole?

b) Replace the breaker (as Dad suggested) - I don't think it's a breaker issue...

c) Was it faulty computer equipment or power strip?

d) Could it be a loose wire at one of the outlets?

Thanks in advance for any help!!!

Scott