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    Wiring underflorr heating thermostat

    Hello, Thanks for that speedy response. Do you mean 1 and 2 are supply coming in. 3 and 4 going out through the grey flex cable supplied. Number 5 empty. Then do you reckon 6 and will be for the thermostat? 7 not being used? This following line is the link to the instructions...
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    Wiring underflorr heating thermostat

    Hello, Just needed some guidance on installing a WARMUP underfloor heating thermostat. It has 8 terminals. 1 and 2 says 230VAC L and N with 2 arrows pointing in. 3 and 4 says max load 3.6kw L and N with 2 arrows pointing out. 5 says EXT with one arrow pointing in. 6 7 and 8 says sensor...
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    main switch undersized?

    Hello, It is on a BS 1361 B Type 100A. The supply conductors are 16mm and the main switch rating bs 5419 60A, and the earth is 10mm. What size should the tails be changed to, and what size the earth? Thanks in advance.
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    Insulation Resistance Very Low

    Hello, Iwouldn't say it is very old. But just want to inquire what a quick method of finding the most likely fault would be.
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    Too many sockets over too large area for protective device.

    Hello, Yes this was a periodic. Do you think he wants 20A in both?
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    main switch undersized?

    Hello, No problems, but the periodic tester has put it in recommendations that the 16mm supply cable and the 60A main switch are undersized.
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    Too many sockets over too large area for protective device.

    Hello, The circuit is Sockets down 2.5/1.5 cable 8 points served (No ring) 15 A Bs 3036. How can this problem be solved and rectified? For sockets up again no ring 30 A BS 3036 2.5/1.5 3 points served it says too large protective device for cable size. How can this be solved and...
  8. I

    Fuse carrier incorrect for circuit.

    Hello, The circuit is Sockets ground BS 3036 2.5/1.5 20 A with 5 points served. How can this problem be solved and rectified. Thanks in advance.
  9. I

    Insulation Resistance Very Low

    If the tester has said the above. And he has put ).5 in all columns under P/E and N/E what would be the easiest way to find the fault and rectify it? Thanks in advance.
  10. I

    main switch undersized?

    Hello, If on the observations it says Main switch undersized. The switch is described as 60A BS 5419 can the switch itself be replced ? Or does the CU have to be changed? Thanks in advance
  11. I

    Adding a cpc

    Hello, If a lighting circuit has been installed without a cpc in the CU. But everywhere else in every switch and light there is a cpc. Would it be alright to add a 2.5mm cpc in the CU and runnit to any switch or light? Because I tried it with a wonder lead and I am getting a Zs on the...
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    Any expert advice appreciated

    Yes. Periodic test
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    Any expert advice appreciated

    Hello, I see on observation and recommendation " Overcurrent Protection Missing on circuit 2 and 3" I see that no. 2 is Immersion point protected by 15 A BS 3036 for which none of the R1+ R2 or just the R2 has been filled. It hasn't even got a polarity tick. Number 3 is Lights with no cpc...
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    Changing meter tails, and cable size inquiry

    Hello, Is an electrician allowed to change meter tails? If yes, How can he get the sealer to seal the fuse and the meter? If on the test certificate it says for 1mm cable 5 amp supplying to lights "Fuse very high rated for cable size" How can this problem be rectified? Thanks for any help.
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