Yeah, I remeber my dad mentioning a friend of his who worked for (or was in) the Navy on one of the battleships or subs with a large battery room. The guy connected something wrong and the battery room blew up- killed him and put a huge hole in the side of the armored ship... --- Mark McDonald <tomswift@xxxxxxxxxxxxx> wrote: > This is not strictly Imperial related, but it's a > safety issue and I > thought it was important to pass this along. > > I am working on a project with a fellow who used to > work for one of the > major battery manufacturers and he has been telling > me some of the > horror stories that he became aware of regarding > lead acid batteries-- > the type most commonly found in automobiles (and > Imperials). > > Jumping your car's battery can be VERY dangerous. > The "exploding > battery" is not a myth. This guy was telling me > that you seldom hear > about these cases-- where people have lost their > eyesight or their limbs > while jumping a car battery-- because the battery > companies have a > policy of settling these cases the minute they come > up. They set aside > a portion of their profits to pay off the victims of > these accidents, > the main reason being to keep down negative > publicity that would result > from a contested case. > > I know it's been said here before, but the way most > people jump their > batteries is the wrong way to do it. Most folks go > from the positive > terminal on one battery to the positive on the other > battery, and from > negative to negative with the other cable. > > The proper way, according to my source, is to go > POSITIVE to POSTIVE, > and then NEGATIVE to GROUND. > > In other words, on the car with the good battery, > the car you are > jumping from, you attach both clamps to the > terminals. On the car with > the bad battery, the one you are jumping, you attach > the cable from the > positive terminal to the positive terminal, and then > the negative to a > bolt or something on the block AS FAR AWAY FROM THE > BATTERY as you can. > When you are done, you go in the reverse order. > That way, if there is a > spark, there is less change of it igniting any gases > from the battery. > > Contrary to what most people think, the most > dangerous time for a spark > is right AFTER you finish jumping-- not when you > first connect the > batteries. The reason for this is, once that "dead" > battery is hit with > electricity, it will immediately start to release > gases as a byproduct > of the internal reaction that goes on. Those gases > go right into the > atmosphere around your battery. > > I know a lot of people may already know this, but > not everyone (I > didn't). Friends of mine have always laughed at me > for stepping back > and turning my head away when jumping, but it is NOT > a joke. I really > got some grisly details from this guy. Not only can > the battery > explode, but when it does, it is flinging out acid > and tiny bits of > casing and the metal plates inside-- and most people > are usually looking > directly at the battery when this happens. So it is > not stupid to wear > goggles. > > Batteries are also more volatile right after they've > been charged. He > told me a story about a fellow who bought a brand > new battery at an > Autozone (or similar store) and had his arm blown > off carrying the > battery out of the store. All it took was a little > bit of static > electricity when he touched the metal door handle on > his way out. This > guy settled out of court for $300,000. (The only > way to really protect > yourself in this case is not to move a battery right > after it's been > "quick charged" or carry it in an insulating box or > sack, I guess.) > > Anyway, folks, be careful jumping your battery! > It's not a myth! > > Mark M > > >