>>
>> If you see a "sparks " up a ladder with his hand in his
>> pocket , he is not a lazy ***, it is so he cannot grab an
>> earth if he finds the circuit is live.
>>
And isn't it true that if you do get a shock from mains AC you can pull away the part of your body that's touching either supply or earth? (if you're still conscious). I heard that if it's DC, you can't pull away until the current is switched off.
Robert Shaw in one of the final scenes of 'The Taking of Pelham 123' cooking himself on the 3rd rail.
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