[AMPS] RE:HV is unforgiving

[Graham Jones]

Depends whether it's AC or DC. Quite apart from the higher peak voltage of
an AC supply, the AC causes the muscles to open and contract at the the AC
frequency, which effectively locks them in a fixed position. Thats why AC
tends to grab you, and DC tends to "throw" you off and disconnect you from
the source. Either way it hurts!!

For what it's worth......

Graham Jones VK3BKG

----------
> From: Peter Chadwick <Peter_Chadwick@mitel.com>
> To: 'amps' <amps@contesting.com>
> Subject: [AMPS] RE:HV is unforgiving
> Date: Saturday, November 28, 1998 2:39 AM
> 
> 
> >Contact with the electric-mains may be even more dangerous since 
> >120v/240v  can cause an involuntary muscle contraction from which the 
> >victim can not let go.  
> 
> The most dangerous voltages are supposedly between 400 and 1600, as they
> give the greatest chance of  ventricular fibrillation. Some evidence for
> this is that people who touch the 25kV overhead electric railway lines
> rarely die from electrocution, but usually from burns. Mains can kill
just
> as easily, as Rich says. Personally, I try to avoid poking fingers in on
> anything over 24 volts. However, it is very easy to forget after years of
> working on solid state equipment that things bite back.
> 
> I always advise not wearing metal watchstraps or rings when working on
> equipment as well.
> 
> 73
> 
> Peter G3RZP
> 
> 73
> 
> Peter G3RZP
> 
> 
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