HV stories (again)

Mark A Moss reflect.kc8dei at JUNO.COM
Sat Nov 28 14:41:19 EST 1998


On Fri, 27 Nov 1998 21:21:21 -0500 Dick Blaney <wb8mhe at bright.net>
writes:
>There's need for care everywhere.  I find it hard to forget the
>sight if my friend's red hot wedding band dangling on the nearly
>bare bone of his third finger, left hand, after it got caught
>between the wrench handle and ground of of a car when tightening
>the Hot terminal clamp a car battery.   He had not removed the
>ground cable as he should have.  And that was back when batteries
>were 6 volts.  Low voltage can hurt too.  Some of today's low
>voltage high current power supplies would be capable of the same
>thing.  It sure taught me a lesson.
>73 de

Same goes for bracelets.  Where I work, the "preferred" ESD wrist strap
for assemblers is the 3M metal type (looks just like a watchband).  They
are not used by people working with batteries (NiCd's), or resistance
welders for just that reason.

Mark Moss, KC8DEI
Kalamazoo, MI
U.S.A.
Grid EN72eh
www.qsl.net/kc8dei

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