Re: [IRCA] It may come as a shock!
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Re: [IRCA] It may come as a shock!

Just my 2 cents, but AC is 60 cycles per second which is MUCH slower than the 1,200,000 cycles per second in RF on 1200 AM. AC line voltage does not leak into everything as RF does, it will jump if the voltage is high enough as the higher the voltage the bigger the field is around the wire which is why you see the big loops on high voltage high tension wires, if the wires were any closer to the grounded tower it will jump into the tower and short circuit. RF on the other hand is electromagnetic waves going through the air and I don't believe that contact with a referred RF field can properly be called a shock, I have always heard it referred to as a burn. In ham shacks everything has to be grounded and if hams are running unbalanced unshielded LW antennas right off the back of their transmitters they frequently get RF in the shack which tingles and can burn when they touch their mics, cases etc. If RF can properly be called a shock it is a much lower grade shock than regular 60 cycle AC and perhaps the high frequency is why it burns, microwaves which are really very very high frequency radio waves cook your food (badly) so are X-rays. 

Bob young
KB1OKL



From: Charles A Taylor <MWDXer@xxxxxxx>
Reply-To: Mailing list for the International Radio Club of America<irca@xxxxxxxxxxxxxxxx> To: Mailing list for the International Radio Club of America<irca@xxxxxxxxxxxxxxxx> 
Subject: [IRCA] It may come as a shock!
Date: Sat, 28 Apr 2007 20:42:47 -0400

At 11:21 AM 4/28/2007 -0600, you wrote:
>Chaz said: And you don't get "shocked" on RF, you get burnt.
>///////
>Maybe it works differently in you Chaz. Perhaps you have developed an
>immunity after all those years of RF exposure! But what happened to me
>when I touched RF was definitely electrical in nature. And it was
>definitely shocking to me. And I did get a burn from it.
>
>
>Patrick Griffith, Westminster CO


Patrick,

Matter of definition. Here's what I mean:

At 10 years old, I was fooling with an old TV set power transformer.
It had a 300V-CT-300V HV winding. Well, I energized that nasty guy
and without wanting to, got my hand across the full 600 volts.

As I picked myself up from my left side some ten feet away, I knew
that I had gotten shocked. I could, with clear conscience, swear
on a stack of NRC Logs that I'd gotten bitten.

Same thing has happened with 300 VDC, except I didn't jump as high.

I've gotten across some 500 V RF, and I didn't jump, but I sure
pulled my claw away in a hurry and simultaneously invented a new
word. Afterwards, I repeated my marvelous new word as I put some
Neosporin© on my burn.

I ain't disagreeing with you, precisely.

Know what I mean, Vern?

Charles


Charles A Taylor, WD4INP
Greenville, North Carolina



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