perhaps we should just scrap the whole idea of earthing altogether and just make sure the whole house is built on a big rubber mat. That way, if live ever shorts to a metal appliance and the user touches it, nowhere to go, so no shock!
Electrocuted by a screw.
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Paul Cook (of IEE fame) is a massive fan of the "earth-free environment".
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No, I don't. Why?
Do you agree or disagree with his thinking?
Do you agree or disagree with his thinking?
i can definately see that especially in the bathroom bonding where there is no good reason to can increase not decrease risk
a totally earth free environment can be very safe but needs to be tightly controlled to stop people violating it with extention leads
further it is generally supplied through an isolating transformer
an earth free environment with isolating transfomermer supply is almost certainly the safest situation for live working on electrical equipment for example
but earthing is just the simplest way for keeping stuff reasonablly safe in the fairly ad-hoc environment of general electrics
a totally earth free environment can be very safe but needs to be tightly controlled to stop people violating it with extention leads
further it is generally supplied through an isolating transformer
an earth free environment with isolating transfomermer supply is almost certainly the safest situation for live working on electrical equipment for example
but earthing is just the simplest way for keeping stuff reasonablly safe in the fairly ad-hoc environment of general electrics
securespark said:
Worked in aerospace, having safety officer named Paul Cook, just wondered.
I'll have to read his words, but being non-sparky I doubt if I could add anything to the debate .. What you say ... 'par for the course!!'.
I would ask, in earth free environment I suppose water both hot and cold would need to be tanked before delivery ?
Wouldn't a direct flow of water, as from a tap, form a path to earth somewhere along it's delivery path ? Or have I totally lost the plot !!
P
No.pipme said:
Yes.
I have read that the conductivity of tap water really isn't enough to pose a problem here. It is only conductive enough to be a problem if it has dissolved salts in it (which I suppose it can do if leaking out of a pipe into plasterwork and then onto something live).
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In the USA an execution by the electric chair requires that the sponge of the headpiece is soaked in a saturated salt solution, ordinary tap water is no good.
It is interesting to note that electrocution has been rejected as a form of euthanasia for animals in the United States. The Franklin County Grand Jury was asked to look into this practice in its March 1988 Term and concluded: "We feel electrocution to be cruel and outdated. The most humane way is to put the animals to sleep by injection."
The Humane Society of the United States has adopted General Statements Regarding Euthanasia methods for Dogs and Cats in which it calls for the use of lethal injection as the "most humane" method available and classifies electrocution as inhumane.
...........it's ok for some States to execute people by electrocution though.
It is interesting to note that electrocution has been rejected as a form of euthanasia for animals in the United States. The Franklin County Grand Jury was asked to look into this practice in its March 1988 Term and concluded: "We feel electrocution to be cruel and outdated. The most humane way is to put the animals to sleep by injection."
The Humane Society of the United States has adopted General Statements Regarding Euthanasia methods for Dogs and Cats in which it calls for the use of lethal injection as the "most humane" method available and classifies electrocution as inhumane.
...........it's ok for some States to execute people by electrocution though.
B
breezer
when some one is actually electrocuted (as in electric chair) they are actaully fried the current used mearly heats the body up and up etc literally frying the person
There is that scene in The Green Mile where the nasty bloke uses a sponge in tap water (or no sponge) and the condemned suffers a rather long and nasty death...
I guess the reason that electrocution is still allowed for execution but not animal euthanasia is that in theory, if you are strapped into the chair you have done something very very wrong. In theory. But an animal has little say in it and would probably rather not be subjected to euthanasia anyway.
Lethal injection is a "humane" execution. There are actually 3 injections, if I recall. The first is basically a general anaesthetic so one would presume that after that kicks in the condemned feels nothing.
Of course the quickest and most painless way is probably hanging as the trauma causes instant brain death. The guillotine cuts too cleanly and too low for this to happen...
This is a very morbid conversation!!!
I guess the reason that electrocution is still allowed for execution but not animal euthanasia is that in theory, if you are strapped into the chair you have done something very very wrong. In theory. But an animal has little say in it and would probably rather not be subjected to euthanasia anyway.
Lethal injection is a "humane" execution. There are actually 3 injections, if I recall. The first is basically a general anaesthetic so one would presume that after that kicks in the condemned feels nothing.
Of course the quickest and most painless way is probably hanging as the trauma causes instant brain death. The guillotine cuts too cleanly and too low for this to happen...
This is a very morbid conversation!!!
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I think the three jabs cause:
anaesthia, paralysis, arrest.
anaesthia, paralysis, arrest.
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