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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Mains and Earthing
Please explain,
By chance when a light socket was checked, was found that when the electrician put his meter across the Live and the Earth (Yel/Grn) wire it showed that it was live, the same as when he checked between Live and Earth wires. This was not so with N & Earth. When a check was made in the consumer unit, the same showed there too. No additions or alterations were made to the house electrics recently. Any explanations please?? Thanx, ulindel |
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In article ,
ulindel wrote: By chance when a light socket was checked, was found that when the electrician put his meter across the Live and the Earth (Yel/Grn) wire it showed that it was live, the same as when he checked between Live and Earth wires. This was not so with N & Earth. When a check was made in the consumer unit, the same showed there too. No additions or alterations were made to the house electrics recently. Any explanations please?? Thanx, ulindel Sounds like you're in the UK. If so, earth and neutral should be at the same potential difference - near enough. If an earth is showing considerably above neutral voltage the chances are it's not connected. BTW, no UK light bulb sockets have earths. On a proper modern installation the earth is available at the ceiling rose. Older ones had no requirement for this, and although the cable was probably twin and earth, the earth wasn't always connected. A proper place to ask, though, is uk.d-i-y -- *What hair colour do they put on the driver's license of a bald man? * Dave Plowman London SW To e-mail, change noise into sound. |
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