Recent content by LECIT

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    Ring Main Insulation Resistance Query

    It's pretty difficult, it's a big house with a lot of cables at the cu, all of which are tangled / tight and a lot have been extended within the cu, so there are also a lot of connecting blocks to contend with. Also, as all I've done is added a couple of extra sockets, I don't want to be held...
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    Ring Main Insulation Resistance Query

    Thanks for your replies. You're right, I didn't switch off the main cu switch or pull the main fuse, I only turned off the mcb supplying the circuit in question. The cu main switch is a rccb. I was hoping to be able to do all of the testing at the sockets themselves as I didn't want to go...
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    Supply for Electric Gates

    Hi I need some advice on the best way to provide a supply for electric gates. At the moment, I have a 63A 30ma cu in a garage with a 6a mcb for lighting and a 16a mcb for a small radial circuit - there are no spare mcbs in this cu. This garage cu is fed from the house using 10mm t+e on a...
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    Ring Main Insulation Resistance Query

    Hi Don't know if you can help with a couple of queries / issues: I have added a few extra sockets into an existing ring main, and when I come to the testing of the insulation resistance, I have acceptable results on Line - Neutral and Line - CPC, but I get a reading of 0 ohms on Neutral -...
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    Fault Finding On A Ring Main Circuit

    Hi all, thanks for your replies on this. As davelx states, I have done all of the initial tests and during the continuity tests, I have found the problem with the phase conductor. So I'm pretty certain there is either a loose / broken connection at one of the sockets or a break in the cable...
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    Fault Finding On A Ring Main Circuit

    Hi, can anybody give me some advice please. While testing a ring main, I have found that I have an incomplete circuit on the phase conductor, neutral is fine and cpc is fine although the reading on the cpc is quite high. I have tested each 'half' of the phase conductor by connecting one end...
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