Discuss Question about electric shock in the UK Electrical Forum area at ElectriciansForums.net

So what happens to to rest of the 20A?
Does it just fade away?
You are putting your body, wish it was mine at the moment in series and as Richard states use a 1000 ohm resistance, apply ohms law and the current flow becomes approximately 0.23A assuming a 230V potential, it don't disappear.
 
Your body resistance when dry can be as high as 80,000 -100,000 ohms but as low as a few thousand wet, so many variable also can effect this figure like your health, skin conditions or even whether your wearing anything topical like a cream.
Once the electricity has broken down the skin which LV can do quickly then this quickly drops your resistance as low as 300-500 ohms if the entry exit points remain the same.
Like mentioned before, mostly when you receive a shock you are parallel to the supply and earth, N or other phase and thus you will be getting the full supply through your body, currents as low as 1mA can set your heart in to fibrillation if your unlucky enough to have the current pass through it and as the heart is a main junction of your blood vessels then its a risk many have lost their lives to, like most sparks Ive have many a shock over the years and the majority I can honestly say were not through my own stupidity but even though we can carry the career scars of numerous shocks I would never get complacent to its potential (no pun intended) to kill you, it only takes it to find that route of least resistance through your heart and even a mild short lived shock can be you end of days.


Its easy to assume 30mA is a safe value due to RCD's been labled for personel protection but they are this rating as its a balance between protection and nuisance tripping but even a fully functional RCD cannot stop electricity killing you as it is only there is reduce the chance of serious/fatal injury.

I must also add that 230v is a mean of the AC waveform and your body will be subject to the peak voltages which are much higher so this will further speed up the breakdown of skin resistance.
 
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The first time I had an electric shock I got an erectiom which lasted for 5 hours and when you get an electric shock I thought you get 30milliamp and the RCD trip
 
he gave up lecci work after he was working in the loft and fell through the ceiling and landed on the bathroom sink giving him an enormous bruise on his stomach
 

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