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  1. dlt27

    Really strange RCD happenings

    Supply is correct polarity. Will check results when go around tomorrow. However all readings ie. Insulation Resistance were above 200M. Think I am going to have to do a full test tomorrow. Annoying part was due to cost of build and other things decided to use a board I already had rather than...
  2. dlt27

    Really strange RCD happenings

    Sorry this is a long one! I have been carrying out testing and Inspecting for about 10 years now, but haven't come across what I found at my Mum and Dads house. I rewired it about 12 months ago. It is an old stone house and was a nightmare to do.(It's a TT system fed off overheads and a split...
  3. dlt27

    Master/Slave dimmer wiring help!

    Does this mean i am right then. It can't be done.
  4. dlt27

    Master/Slave dimmer wiring help!

    Hi hope somebody can help. I have currently just 1st fixed a very big house with over 200 led spots in it. Some rooms even have 4 gang switches 2 wayed. Also nearly every room has dimmable switches. Now on the original drawings the wiring shows conventional dimming. ie dimmer one end rocker the...
  5. dlt27

    Tn-cs or not

    Why wouldn't you tt it. Everything is covered by 30mA rcd protection. That is the reason I was just going to remove the earth to neutral link and leave it as a tt only.
  6. dlt27

    Tn-cs or not

    What do you mean put a bloody picture up.
  7. dlt27

    Tn-cs or not

    I don't think its pme because ze is 0.47. Also sorry of I'm being thick but what does wpd stand for. Thanks.
  8. dlt27

    Tn-cs or not

    Hi all. I have come to a house today where one Earthing conductor is connected straight into the neutral Henley block and also another Earthing conductor is connected to a rod outside. There is no pme sticker and also I have been outside and can't see a neutral tapped down to earth at any of the...
  9. dlt27

    RCD Tripping.....External influences...

    How can an rcd trip when there. Is an imbalance or fault on the supply side?....
  10. dlt27

    RCD Tripping.....External influences...

    I don't think the ground was saturated. What is mains distortion. Sorry if its obvious. I haven't been doing electrics that long...
  11. dlt27

    RCD Tripping.....External influences...

    Yes and yes please explain why this makes a difference....
  12. dlt27

    RCD Tripping.....External influences...

    Had quite a few problems lately with rcd's on dual boards tripping and on 2 occasions I haven't been able to find the problem (trips once every couple of days) . I have meggered circuits, ramp tested rcd, used megger mA meter for earth leakage etc. On both occasions there was an earth leakage of...
  13. dlt27

    Immersion Heaters advice.

    Just looked on sunvic website and they do a resetable and non resetable.version. If it is a safety requirement why do they do a resetable version?..
  14. dlt27

    Immersion Heaters advice.

    Does this mean that stats and elements shouldn't have a reset button and if so what happens with the scenario with the rayburn. I will be changing the stat every week. Thanks.
  15. dlt27

    Immersion Heaters advice.

    Can anybody help. I have been to various call outs for faulty immersion heaters. Now I know how to test stat, element etc. and how to sort the problem, but what I could do with somebody explaining is why some heaters have a built in reset button and some don't, why some stats have a built in...
  16. dlt27

    RCD Tripping.....

    Would if I had some..
  17. dlt27

    RCD Tripping.....

    Washing machine, freezer, electric fence fed from shed, kettle, boiler. Even ran up heating but earth leakage still didn't go above 10.5mA. Did mention fitting rcbo's but if its an appliance breaking down this wouldn't help( just cause more expense).
  18. dlt27

    RCD Tripping.....

    Can anybody help... Went to a job Friday where apparently RCD is coming out once every couple of nights. The rcd covers 4 circuits which are sockets, sockets, heating and outdoor shed. I have carried out a blanket test and I am getting a reading of about 20M This is with loads conncted apart...
  19. dlt27

    3 phase meter

    No model no. Unfortunately. I think like you said it was overload.
  20. dlt27

    3 phase meter

    The company I work for sent out some guys to connect up some temps through a 3 phase meter. Now the circuit was fed via an existing board with a 63A breaker and the existing board was backed up by a 160 amp mccb.(plus an rcd for the sub-main). The 3 phase meter so I have been told went up in...

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