http://www.ottawacitizen.com/news/ot...653/story.html

no detail yet, got it from local association of hvac tradesmen. be careful, don't be stupid just because customer and the boss is yelling at you. that goes for me also. some one said that he slipped and his hand touch the capacitor while the unit is running. I would've thought that the falling momentum might carries his hand away from contact point.