While trouble shooting a motor circuit today I happened to hold my Fluke volt stick to the wires in the switchbox and it strobed. The motor was off on thermal OL at the time and the switch was on. It was a 110V capacitor start single phase two speed motor (1-1/3HP). Running thru the switchbox and conduit also were two circuits feeding flourescent lights with a common neutral. My question is what caused the voltstick to strobe like that? Was it the flourescent circuits or maybe a power quality issue with the motor circuit? This was in the last few minutes of the day and the motor problem has not been diagnosed yet-it's on the list for tomorrow. Any help appreciated,
Brian
