High density batterys should always have a fuse or self resetting fusable link installed IN the battery pack AND a fuse in the supply lead to prevent this problem on the subject of caps blowing... When playing wirh a valve ( tube) AM Broadcast Transmitter for 'local' use ;-) I had a 450 volt 1uF 'brick' paper cap blow, it was on a chassis in an old ammunition case and seriously dented this case, the paper went everywhere. what a mess :-( On 27 Apr 00, at 0:04, Automatic digest processor wrote: > Subject: Re: Fire in the Hole!!! [OT] > > >! I'm just lucky that that thing flew over there instead of > >into my eye! > > A colleague of mine was even luckier than this. A brand new piece of > equipment > arrived, but failed to work on power up. He had the lid off it, and with > the > power still on was bending over it looking at the circuit board. A > teardrop > tantalum decided just at that moment to give up the unequal struggle and > flew > past his