Hi, I'm trying to understand a fault displayed, and I'm hoping somebody might be able to help explain.
Recently purchased first home, and decided to use a socket tester to do a quick check of all sockets. I know there are limitations of socket testers (though don't claim to properly understand, or be a professional), and do intend to get the electrics fully tested and have some work done in the future.
Using a Schneider IMT23003 socket tester, the three lights were as they should be on all sockets on the circuit in question (1st N off, next two PE,L on). However, on touching the contact electrode, the warning symbol showed (indicating a dangerous contact voltage present on PE- conductor), but only for four of the sockets on the ring, it doesn't show on the other sockets in the same ring. This isn't a display pattern explained on their coding table.
I have since tried a second socket tester to try to understand the problem, a T.I.S 1005, which shows all E,N,L lights on indicating correct wiring, the loop check showing green for good (<1.8ohm resistance).
To be safe, I've turned he circuit off, and living off the circuit on an extension (which tests fine on both testers). I'm also getting a pro out to do an EICR and fault find, and will probably fit in some of the other work I would like if he has time.
In the mean time I've been trying to understand the cause, and why some sockets and not others. Why is the T.I.S. Tester not finding a problem? I'd be extremely grateful for thoughts or explanations.
If I'd have used the T.I.S tester first, I doubt I would have got hold of a second tester.
Thanks in advance,
Recently purchased first home, and decided to use a socket tester to do a quick check of all sockets. I know there are limitations of socket testers (though don't claim to properly understand, or be a professional), and do intend to get the electrics fully tested and have some work done in the future.
Using a Schneider IMT23003 socket tester, the three lights were as they should be on all sockets on the circuit in question (1st N off, next two PE,L on). However, on touching the contact electrode, the warning symbol showed (indicating a dangerous contact voltage present on PE- conductor), but only for four of the sockets on the ring, it doesn't show on the other sockets in the same ring. This isn't a display pattern explained on their coding table.
I have since tried a second socket tester to try to understand the problem, a T.I.S 1005, which shows all E,N,L lights on indicating correct wiring, the loop check showing green for good (<1.8ohm resistance).
To be safe, I've turned he circuit off, and living off the circuit on an extension (which tests fine on both testers). I'm also getting a pro out to do an EICR and fault find, and will probably fit in some of the other work I would like if he has time.
In the mean time I've been trying to understand the cause, and why some sockets and not others. Why is the T.I.S. Tester not finding a problem? I'd be extremely grateful for thoughts or explanations.
If I'd have used the T.I.S tester first, I doubt I would have got hold of a second tester.
Thanks in advance,