Come on guys ...... headbang
It depends where you are in the sine wave when you flick the switch which of course you don't know. But if it's at the top then you are switching maximum current hence the spark.
Cheers, Ron
Hi
Excellent course:
http://www.fia.uk.com/en/Training/Training_Courses/index.cfm
Done it myself as a refresher and I thought it was first class.
Cheers, Ron
