Charles :
I am a chemical engineer and computer scientist. I
assume that you use proper lock and tag out procedures
in work when you work on 460 volts and high
temperatures and pressures ? That means whenever you
put your body anywhere near energy, it is deengerized
and locked out as per OSHA.
I have been standing on the sidelines looking at all
the emails going back and forth. I had replied back to
an email a couple of weeks ago about the dangers of
opening a computer case to push a CUDA switch with the
computer plugged into the wall socket.More or less I
got a lot of grief and sarcasism back from several of
the list members.
I know that all of you mean well and don't feel there
is any danger here because of low voltages, "your're
using pencils" or whatever other arguements you are
using.
The reality is that this user list is a mix of many
different people from what I can see.Probably going
from youngsters to retired people with a large range
of skills.I think you will agree with me that from the
advice in this list(not necessarily from you), a young
person with limited skills could be encouraged to open
up a computer with it plugged into the wall, start
touching things they shouldn't and get a good shock.
For instance, removing the power supply because maybe
they think it's in the way of something or maybe it's
cool to open it up and see what's inside.
I'm not going to repond back to any negative replies
to this from anyone in the group. Before you send them
out, really , think about what I have said above. If
you really have energy to reply to this, perhaps a
good way to channel it would be for us to come up with
a web page that describes a safe way to do all of
these things while accomplishing the same thing.
--- Charles Teufert <[EMAIL PROTECTED]> wrote:
>
> I have worked in industrial automation for about 17
> years, almost daily I
> work with 3 phase power at 460 volts or more, with
> electric motors that draw
> 100 Amps or more. The machines I automate inject
> molten aluminum in to a
> mold at very high rates of speed and sometimes
> spraying out of the machine.
> Castings that still are in the 700 degree range are
> everywhere. Hydraulic
> systems running at up to 10,000 PSI where a small
> stream leaking from a
> fitting can cut through you in an instant. I have
> all my fingers, and have
> only missed 2 days of work to an injury. No I didn't
> get burned, squished,
> or zapped, I went to get an ice cream sandwich for
> my daughter and a roast
> fell out on my foot. I couldn't put my foot in a
> boot for 2 days.
>
> These days I am much more cautious about the
> freezer....
>
> Charlie.
>
> --
> Charles Teufert
> Head of Engineering
> Tymac Controls Corp.
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