Anyone with Roger's Lite accounts?

[Paul Sutton]

When I was at college we were told that it's the current (Amps) that 
actually kills you,  in the Uk the mains is 13 Amps, not sure what it is 
in the USA / Canada, also the Root Mean Squared on the 50 hz frequency 
means that you multiply this 240 volts by 1.414 (I think).

We were also told that 50 Hertz (hurts) 60 Kills either as a way of 
remembering the differnt frequencies or perhps that 60hz is more 
dangerous, so perhaps the RMS on 60hz is higher,  We also covered 3 
phase in the UK which is 415 volts and a higher current, certainly ovens 
here are at 30 AMPS.

Regarding fire if you short a 9v battery with a screwdriver and say left 
this in a pile of paper, (stupid I know), it could catch fire, which is 
why you have to be careful with such equipment this can be done 
accidently i.e drop battery, and it lands somewhere and shorts, 

Any comments, can anoyne clarify this.


what does GFI mean? I will try and find out if we use it or not,



Paul

Lennart Sorensen wrote:

>On Tue, Apr 18, 2006 at 11:41:33AM -0400, Mike Kallies wrote:
>  
>
>>A British electrical engineer once told me that there are a
>>disproportionate number of deaths by 240 volt systems due to
>>electrocution.
>>    
>>

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