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Re: [TCML] Greenhorn Coiler
Hi all,
Yep, I think Greg is right on track here. One certainly would not
WANT to place theirself in the circuit path of just about ANY
high voltage source, with the possible exception of a small Van de
Graf generator, but casual contact with high voltage certainly does
not guarantee a death sentence any more than taking a gun shot
guarantees death. Just like some folks are filled by a .22 cal. while
others survive a hit from a .30-06, some folks are killed by 120
volt household current while a lineman may survive a shock from
an energized primary line. All of the variables that Greg mentioned
(and probably others) certianly do come into play as to the lethality
of the shock.
David Rieben
----- Original Message -----
From: "G Hunter" <dogbrain_39560@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Wednesday, June 11, 2008 10:19 AM
Subject: Re: [TCML] Greenhorn Coiler
a 12-15Kv 30mA unit would be a standard choice. ( if you
get shocked by
this transformer there is a chance you will live, anything
larger and
the chance drops to 0).
Scot D
I strongly disagree. It's inaccurate to declare that any shock over 30mA
gives zero chance of survival. Were that true, I probably would have died
two or three times by now. I'm sure several of my fellow list members can
recall painful, but nonlethal incidents in their professional and/or hobby
endeavors.
I'm not a physician, but I do teach basic electronics using professionally
prepared materials. According to USAF doctrine, the lethality of an
electric shock is determined by numerous variables including the part of
the body that receives the shock, the age and physical condition of the
victim, the duration of the shock, the amount of current, and the
promptness of emergency medical treatment.
Under tragically ideal conditions, 120vac might kill an unfortunate
homeowner, while a power line worker who gets his hands blown off by
contact with a 66kv line survives. I have survived very uncomfortable
shocks from 115vac/400Hz aircraft current, as well as fierce "bites" from
NSTs, while the national news outlets report several Taser (only 2-7mA)
fatalities every year. Likewise, how often have we read about a lucky
golfer who survives a lightning strike with nothing worse than a painful
flash burn!
Except under carefully staged conditions, (like an electric chair!), a HV
electric shock is a crapshoot, with the odds tipped strongly in favor of
survival. I know many people who have been shocked, but I don't know
anyone who has died of electrocution in my professional, social, or family
circles.
I'm all for preaching safety, but the dangers shouldn't be overstated any
more than they should be understated.
Cheers,
Greg
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