There is less chance of a spark if you connect the negative side last. The
by product of a battery producing electricity is hydrogen gas. It is
contained in the air space above the "water" in the battery. If you create
a spark close enough to the vent caps after using the battery it will
exploded. The explosion could splash the acid in your eyes. You could lose
your eyes to the acid or the battery fragments. Having been involved in the
aftermath of 10 battery explosions that caused 6 lost eyes I do not look at
the battery when connecting the negative to the battery. I alway put the
connector about an inch from the terminal then TURN my head, then connect
it.
----- Original Message -----
From: George Voss <[EMAIL PROTECTED]>
To: RCSE <[EMAIL PROTECTED]>
Sent: Monday, April 10, 2000 7:34 PM
Subject: [RCSE] Why Negative Last
> Why are we told to hook up the negative lead to a battery last, such as
when hooking up our battery charger to a 12V source? gv
>
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