Doug, et al,

 

                This fine early work is the foundation for later workers such 
as Dalziel, etc. which provides the basis for understanding electric shock 
effects.  Note that you can only download the whole, very clear copy if your 
organization has a membership in the digital library in which this copy is 
stored.   

 

                Papers such as these are the central core of work that is the 
basis for the development of IEC 60479 series which deals with the effects of 
electric shock on the human body.   That group, IEC TC64/WG4, has a library of 
these important basic papers (including the Whittaker paper referenced here) 
which is used for reference in their work.

 

                Thanx to Rich for summarizing this paper.  

 

:>)     br,      Pete

 

Peter E Perkins, PE

Principal Product Safety & Regulatory Affairs Consultant

PO Box 23427

Tigard, ORe  97281-3427

 

503/452-1201

 

 <mailto:p.perk...@ieee.org> p.perk...@ieee.org

 

From: Douglas Nix [mailto:d...@mac.com] 
Sent: Wednesday, September 21, 2016 12:32 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] ELECTRIC SHOCK AS IT PERTAINS TO THE ELECTRIC FENCE

 

You can view a good quality copy of this seminal work online at

 

https://babel.hathitrust.org/cgi/pt?id=uc1.$b661851;view=1up;seq=3

 

--

Doug Nix

d...@mac.com <mailto:d...@mac.com> 

(519) 729-5704

 

Be who you are and say what you feel, because those who mind don't matter and 
those who matter don't mind.

  - Dr. Seuss

 

On 21-Sep-16, at 13:52, Richard Nute <ri...@ieee.org <mailto:ri...@ieee.org> > 
wrote:

 

 

Underwriters Laboratories did basic research in the field of safety and 
published the results of that research in a series of “Bulletins of Research.” 
At least 58 bulletins were published relating to fire, explosion, and electric 
shock. 

One of those Bulletins, “Electric Shock as it Pertains to the Electric Fence,” 
is a classic document in the field of product safety. The research was 
performed from 1936 to 1939 by Baron Whitaker, an Assistant Electrical Engineer 
at UL. Whitaker ultimately ascended to the presidency of UL. 

Whitaker’s research still stands today. While similar research has been done in 
support of modern IEC publications, such research is usually published only in 
IEC committee papers and is usually highly focused towards the specific 
standard or report the IEC is attempting to write. 

This UL Bulletin of Research on the electric fence contains much information 
that applies to much more than just the electric fence. This is why it is a 
classic work.

Whitaker wanted to determine the maximum value of current, for both ac and dc, 
the frequency, and the duration that “can be considered as not being hazardous 
to human life.” 

Whitaker undertook to determine values for: 

1.      Body electrical resistance 

2.      Safe open-circuit voltage. 

3.      Effects of dc, interrupted dc, ac, and frequency of ac. 

4.      The maximum current and duration which will not cause bodily injury. 

5.      The minimum off time.

 
<https://www.prisonlegalnews.org/media/publications/taser_ul_electric_shock_analysis_1955.pdf>
 
https://www.prisonlegalnews.org/media/publications/taser_ul_electric_shock_analysis_1955.pdf

 

Rich

 

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