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Author electrical question
Recaro1
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Registered: 25th Mar 02
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10th Dec 03 at 17:05   View User's Profile U2U Member Reply With Quote

when you isolate a piece of equipment by means of a lock off at a distribution board. You should then test it for voltage to make sure it is dead.

What should you test between? is it earth and live, earth and neutral and then neutral and live?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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10th Dec 03 at 17:10   View User's Profile U2U Member Reply With Quote

eye socket and bum hole

[Edited on 10-12-2003 by Adam Kindness]
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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10th Dec 03 at 17:27   View User's Profile U2U Member Reply With Quote

shouldnt you be testing for continuity not voltage?
Recaro1
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Registered: 25th Mar 02
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10th Dec 03 at 17:31   View User's Profile U2U Member Reply With Quote

no I'm sure its voltage, using a voltage indicator. Its too check that the circuit is dead
Tim
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Registered: 21st Apr 00
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10th Dec 03 at 17:43   View Garage View User's Profile U2U Member Reply With Quote

Live and neutral using an AC meter...

[Edited on 10-12-2003 by Tim]
Recaro1
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10th Dec 03 at 17:45   View User's Profile U2U Member Reply With Quote

just live and earth? if you were working on a 240v system, we you be happy to check just those and then begin work?

cheers
wainey
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Registered: 20th Oct 02
Location: walsall west midlands
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10th Dec 03 at 17:47   View User's Profile U2U Member Reply With Quote

its definately between live and earth, and live and neutral, just too be sure! Continuity he wants to make sure he aint gonna get a shock by isolating a circuit so he has to test the point hes working at as one circuit may have more than one appliance connected! of course i hope you are conforming to the bs7671 16th regs?
wainey
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Registered: 20th Oct 02
Location: walsall west midlands
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10th Dec 03 at 17:48   View User's Profile U2U Member Reply With Quote

what you working on mate? or what ya doin?
Recaro1
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Registered: 25th Mar 02
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10th Dec 03 at 17:53   View User's Profile U2U Member Reply With Quote

nothing, its just something I was thinking about. Was playing on my mind.
wainey
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Registered: 20th Oct 02
Location: walsall west midlands
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10th Dec 03 at 17:57   View User's Profile U2U Member Reply With Quote

yeh test between live-earth and live-neutral just to make sure you aint gettin 240v between the 2 ! just hope you dont get a back feed through the neutral if your working on it as they come pretty sharp oh im a qualified electrician by the way
Recaro1
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Registered: 25th Mar 02
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10th Dec 03 at 18:07   View User's Profile U2U Member Reply With Quote

its for a training course I've got to do in a couple of weeks. We have to demostrate that we could isolate and lock off a supply for work to be carried out. I knew it was earth and live, I just wanted to see if people recommended testing between live-neutral and neutral-earth.

Go to remember the rest of the procedure. think its:
turn off, isolate, lock off and secure key, display correct sign, check meter with proving unit, test circuit, check meter again then restart system

(edited to add - restart system)

[Edited on 10-12-2003 by Recaro1]
Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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10th Dec 03 at 18:43   View User's Profile U2U Member Reply With Quote

ah just stick ur fuckin finger in there mun if u get a tingly feeling u know u aint done it right bitch

 
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