Stephen wrote:
> Tom Austin <taustin> wrote:
>> Stephen wrote:
>>
>>> Here are a couple of tips for everyone when working on live equipment. Wear
>>> insulating footwear and keep one hand in your pocket. That way the current is
>>> less likely to find a path through your body.
>>>
>> I am not an electrician, so I know enough to be dangerous.
>> Actually, I studied electrical engineering - so I know enough to keep
>> mostly safe.
>>
>> I was thinking I would write about keeping a hand in the pocket, but you
>> beat me to it.
>>
>> I always have a hand in my pocket when routing wires in my main electric
>> panel where I can't easily turn everything off.  It isn't enough to just
>> keep a hand away - by instinct you will use it to grab on to something.
>>
>>
>>

> I get nervous working over 5V Vcc.

I've been scared of that as well - especially when the circuit that I 
wired up actually blows things up.  I got so jumpy at one point I had to 
have someone else hook it up to smoke test it.

>>
>>
> A mere tingle :P
> 240 V is not too bad it hurts more but is bearable if it is just through your
> hand. And most of the shock is just shock people do get used to it and can even
> deliberately touch live connectors to test the voltage. The trick is to do it
> fast and the pain level will tell you the voltage. The same way that I learned
> to see how close to boiling water is by dipping my fingers into it (FAST). The
> human body is very resilient.
> 
> 

Never thought of it like that, but it makes sense.
The problem is that someone without experience tries to do it and gets 
themselves hut.


Tom

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