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May 4
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(Moderator: Lectrician) - (Moderator Group: Board Moderator)
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Reversed live and neutral (Read 24133 times)
bripl
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Re: Reversed live and neutral
Reply #34 -
Jan 12
th
, 2005, 7:35pm
as a humble plumber ithink i should point out most modern boilers which contain a pcb will not operate with reverse polarity something to do with the ignition and flame sensing device.
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Lectrician
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Re: Reversed live and neutral
Reply #35 -
Jan 12
th
, 2005, 8:06pm
Well there we have it guys...
My plumber was still a tosser!
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billythekid
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Re: Reversed live and neutral
Reply #36 -
Jan 12
th
, 2005, 10:03pm
i agree, most plumbers are!
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Last Edit: Jan 12
th
, 2005, 10:04pm by billythekid
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scotspark
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Re: Reversed live and neutral
Reply #37 -
Jan 13
th
, 2005, 8:08pm
Had exactly this problem when In a rush fitting a new consumer unit in a horrifically akward space I connected the tails up reverse polarity
and didn't test until the next day cos i had to rush off and my martindale had got broken the previous day.
got there and the customer mentioned thety had no hot water or central heating
not one of my finer moments.
why do you think he done it deliberately DAMOCLES?????? it's asimple mistake to make as different sockets have connections on different sides, but he should have picked it up when testing
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brown to red and blue to f****&&&&ommited!!!!!!!!!!!!!!!!!!!!!!!!!!!
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ban-all-sheds
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Re: Reversed live and neutral
Reply #38 -
Jan 17
th
, 2005, 12:43am
[quote author=bripl link=1105391377/30#34 date=1105558514]as a humble plumber ithink i should point out most modern boilers which contain a pcb will not operate with reverse polarity something to do with the ignition and flame sensing device.
[/quote]
It's an AC supply, the voltage between Live and Neutral will vary between +325V and -325V 50 times a second whichever way round it's connected - how can it make a difference?
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plugwash
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Re: Reversed live and neutral
Reply #39 -
Jan 17
th
, 2005, 8:47am
all i can think of is it could be relying on thier being a voltage between neutral and earth possiblly for some sensing arangement.
or its a deliberate miswiring cutout for some reason.
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