> From: Erik Reuter <[EMAIL PROTECTED]>
> On Sun, Feb 17, 2002 at 09:46:33PM -0600, The Fool wrote: > > > > From: Ronn Blankenship > > > <[EMAIL PROTECTED]> > > > > > And while we're on the subject, why do you have to buy a whole new > > > $25 power supply when it's a 10� fuse that has blown? > > > > > > BT, DT . . . didn't get a T-shirt, though . . . > > > > Opening up a power supply can kill you. NEVER do it. Opening up a > > monitor will kill you. Don't do it. > > A little more explanation: obviously you shouldn't work on electrical > equipment while it is plugged in -- you should always unplug it. But > with power supplies and CRTs, particularly CRTs, there are large > capacitors which can hold a charge for long after you have unplugged the > device. Unless you know where the live wires connected to the capactiors > are, and/or how to discharge them, it is dangerous to mess around with > these devices even if they are unplugged (and if you are going to do it, > it is safer to ground the device to earth ground, which is best done > with a ground cord which looks a lot like a regular power cord but only > has the ground wire connected). Capacitors that can remain charged for Years. Cost-benefit analysis: Possible death vs savings of $25. Hmm. Difficult choice.
