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An Electrician has told me that my lighting circuit earth wire is not grounded or earthed
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<blockquote data-quote="ProDave" data-source="post: 431345" data-attributes="member: 6969"><p>I presume the cable at the light fitting had an earth core, but he is reporting that the earth does not appear to be connected anywhere?</p><p></p><p>Your electrician is probably correct in most of what he says. If there is an earth wire present at the light, but it is not connected, then he has some fault finding to do to locate and correct the faults(s) It is unfortunately impossible to say that investigation is going to take X hours and cosy y £ to complete. he may be lucky and find the fault quickly, he may spend all day and not find it.</p><p></p><p>With a house built in 1890 it's anyone's guess when it was last rewired. But it appears he has formed a judgement from he has seen, that it is likely to be wired what is often known as "spider fashion" where all the light cables and all the switch cables go to one big junction box somewhere. In fact often more than one, usually one per floor, so a 2 storey house would have two of them. The one for downstairs lighting would normally be somewhere in the void between the downstairs ceiling and the upstairs floorboards. The upstairs junction box would usually be somewhere in the loft.</p><p></p><p>He is right that the first task is to locate the junction box. Apart from it usually being somewhere near the middle of the house, it could be anywhere. If you have glued down fitted carpets or laminate floor then the task of locating it becomes harder and more disruptive, but in any event he has to remove some floor covering, look for loose floor boards, lift them and have a look, and if it's not there try again.</p><p></p><p>Of course your local knowledge may help. If you have been in the house some time and have either had floorboards up yourself or other tradesmen have, you might recall seeing a large plastic box with a lot of wires leading into it.</p><p></p><p>And when he finds it he then has to try and find the fault. It could be nothing more than a wire has come out of a terminal. The methods used in the padt for terminating the earth cables often involved just twisting them together.</p><p> </p></blockquote><p></p>
[QUOTE="ProDave, post: 431345, member: 6969"] I presume the cable at the light fitting had an earth core, but he is reporting that the earth does not appear to be connected anywhere? Your electrician is probably correct in most of what he says. If there is an earth wire present at the light, but it is not connected, then he has some fault finding to do to locate and correct the faults(s) It is unfortunately impossible to say that investigation is going to take X hours and cosy y £ to complete. he may be lucky and find the fault quickly, he may spend all day and not find it. With a house built in 1890 it's anyone's guess when it was last rewired. But it appears he has formed a judgement from he has seen, that it is likely to be wired what is often known as "spider fashion" where all the light cables and all the switch cables go to one big junction box somewhere. In fact often more than one, usually one per floor, so a 2 storey house would have two of them. The one for downstairs lighting would normally be somewhere in the void between the downstairs ceiling and the upstairs floorboards. The upstairs junction box would usually be somewhere in the loft. He is right that the first task is to locate the junction box. Apart from it usually being somewhere near the middle of the house, it could be anywhere. If you have glued down fitted carpets or laminate floor then the task of locating it becomes harder and more disruptive, but in any event he has to remove some floor covering, look for loose floor boards, lift them and have a look, and if it's not there try again. Of course your local knowledge may help. If you have been in the house some time and have either had floorboards up yourself or other tradesmen have, you might recall seeing a large plastic box with a lot of wires leading into it. And when he finds it he then has to try and find the fault. It could be nothing more than a wire has come out of a terminal. The methods used in the padt for terminating the earth cables often involved just twisting them together. [/QUOTE]
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An Electrician has told me that my lighting circuit earth wire is not grounded or earthed
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