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From: Joerg <news@analogconsultants.com>
Newsgroups: sci.electronics.design
Subject: Re: electrical deaths
Date: Mon, 2 Dec 2024 11:35:41 -0800
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On 12/1/24 9:59 AM, Joe Gwinn wrote:
> On Sat, 30 Nov 2024 14:24:11 -0800, Joerg <news@analogconsultants.com>
> wrote:
> 
>> On 11/26/24 6:53 PM, john larkin wrote:
>>> https://www.researchgate.net/figure/Age-adjusted-mortality-rates-from-electrical-injuries-per-1-million-population-European_fig1_221916189
>>>
>>> The US (0.63 PPM) is probably low partly because we have mostly 120
>>> volt gadgets. I usually wire boxes hot, and get tickled now and then,
>>> no big deal.
>>>
>>> Some countries are astounding.
>>>
>>
>> Twice the line voltage makes a difference. Also, some countries such as
>> Germany have non-polarized wall outlets which was a clear mistake on the
>> part of the standards guys. Think toasters and forks.
> 
> We have polarized line plugs in the US, but the wiring old and new
> isn't consistent, or becomes so over time.  And so people often
> intentionally defeat the polarization.
> 
> Part of the problem is that for many small appliances, the plug was
> bigger than the appliance.  Probably more expensive too.
> 
> Anyway, my instinct is that not polarizing plugs and sockets is more
> realistic, as it forces manufacturers to pass safety regardless of hoe
> things are plugged in.
> 

Polarization can save the day with toasters and similar appliances. Then 
you can make sure that neutral comes in at the top end of the meanders. 
In the US, 99+ percent of cases will not have line and neutral reversed.


> Joe Gwinn
> 


-- 
Regards, Joerg

http://www.analogconsultants.com/