Electrical Engineering Question [modified]
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I read somewhere sometime that more people die from accidental electrocutions in the US than the UK because the lower 110V mains supply doesn't give you such a jolt.
V = I*R or V / I = R If the voltage is lower, the current has to be higher and it is current that kills. The 415 stuff is 3 phase and bloody leathal. As for the original post, it is usually illegal to have power sockets etc in your bathroom. The biggest risk (unless you use the socket of course) will be fire. Hence if it crackles, call the fire brigade. I would find the ring main this is on and isolate it, I would then follow this up by slapping the landlord. Have fun, stay safe
Just racking up the postings
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Would the 60 hertz frequency (in the US) mean there is less time that the current is being applied compared to 50 herts (rest of the world?), causing less harm to a person in the path?
Anyway you look at it, you complete the path to ground, it hertz. :(
It was broke, so I fixed it.
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V = I*R or V / I = R If the voltage is lower, the current has to be higher and it is current that kills. The 415 stuff is 3 phase and bloody leathal. As for the original post, it is usually illegal to have power sockets etc in your bathroom. The biggest risk (unless you use the socket of course) will be fire. Hence if it crackles, call the fire brigade. I would find the ring main this is on and isolate it, I would then follow this up by slapping the landlord. Have fun, stay safe
Just racking up the postings
PaulPrice wrote:
If the voltage is lower, the current has to be higher and it is current that kills
Keep in mind that adding water, especially water with conductive properties (i.e. salt or other impurities increasing the conductivity) means “R” decreases and voltage staying the same, means “I” current, goes up.
It was broke, so I fixed it.
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That is very bad advice. But funny on so many levels. :laugh:
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But if you turn everything else on throughout the house, there won't be any electricity left in the wires going to the bad outlet. It's just like when you're taking a shower and your wife turns on the washing machine and the hot water in the shower goes away. I thought everyone knew that.
Just like that old Carly Simon song... "You're so funny, You probably think this joke is about you" My Mu[sic] My Films My Windows Programs, etc.
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V = I*R or V / I = R If the voltage is lower, the current has to be higher and it is current that kills. The 415 stuff is 3 phase and bloody leathal. As for the original post, it is usually illegal to have power sockets etc in your bathroom. The biggest risk (unless you use the socket of course) will be fire. Hence if it crackles, call the fire brigade. I would find the ring main this is on and isolate it, I would then follow this up by slapping the landlord. Have fun, stay safe
Just racking up the postings
The only restriction in the US NEC is that outlets be GFCI[^] type and disconnect themselves when a short is detected. Again speaking nationally (local codes can be more strict) there's no requirement to refit old construction every time the NEC is updated; and I don't know how old the requirement is. IIRC my parents house with 1930's vintage wiring didn't have GFCI until my Dad installed them when rewiring the house.
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Would the 60 hertz frequency (in the US) mean there is less time that the current is being applied compared to 50 herts (rest of the world?), causing less harm to a person in the path?
Well it would matter if you were able to grab and let go (although if the current is high is will not let you) in under 1/300th of a second (since that is the difference). Length of exposure does matter but this difference is for the most part neglegable. Furthermore after a few cycles (5 US, 6 for the 50Hz) I believe the RMS (root mean square) will be the same (amp exposure).
Computers have been intelligent for a long time now. It just so happens that the program writers are about as effective as a room full of monkeys trying to crank out a copy of Hamlet.
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Would the 60 hertz frequency (in the US) mean there is less time that the current is being applied compared to 50 herts (rest of the world?), causing less harm to a person in the path?
No. The integral of a squared sine does not depend on its frequency, assuming an integral number of oscillations is considered. :)
Luc Pattyn [My Articles] Nil Volentibus Arduum
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No. The integral of a squared sine does not depend on its frequency, assuming an integral number of oscillations is considered. :)
Luc Pattyn [My Articles] Nil Volentibus Arduum
It is not necessary to tabulate the values of sin x between pi and 2pi radians (or 180 to 360 degrees), for these values are negative but equal in magnitude to the sines of the angles between 0 and pi radians (or 0 to 180 degrees). Does that clear it up a bit?
It was broke, so I fixed it.
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It is not necessary to tabulate the values of sin x between pi and 2pi radians (or 180 to 360 degrees), for these values are negative but equal in magnitude to the sines of the angles between 0 and pi radians (or 0 to 180 degrees). Does that clear it up a bit?
It was broke, so I fixed it.
S Houghtelin wrote:
Does that clear it up a bit?
No. I referred to a sine square (which is what matters when AC power or energy is in play), and that is always positive; over an integral number of oscillations, the integral does not depend on frequency, hence the answer to the original Q is also: No. :|
Luc Pattyn [My Articles] Nil Volentibus Arduum
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S Houghtelin wrote:
Does that clear it up a bit?
No. I referred to a sine square (which is what matters when AC power or energy is in play), and that is always positive; over an integral number of oscillations, the integral does not depend on frequency, hence the answer to the original Q is also: No. :|
Luc Pattyn [My Articles] Nil Volentibus Arduum