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  1. C

    Danfoss 3ph motor inverter causing hot cables.

    At my site I have 3 x Danfoss VLT6000 motor inverters for our pumps. The MCB's have always been warm to touch and as they were put in by a contractor before I came to site I assumed it must be correct. As late the 25A rated 3 pole MCB's were detected by a thermal image survey as being too hot. I...
  2. P

    Street lighting causing RCD to trip?

    Evening all, Had a call today from a customer I did a job for a few months back. I went in to install a socket for them, only to find that the circuit had been put on the non-rcd side of the board (16th board). Asked the woman if she had a copy of the certificate when she had the board...
  3. K

    Problem - Fridge Freezer Causing Nuisance Rcd Tripping. How Do I Rectify?

    I have traced the nuisance tripping down to the fridge freezer and im wondering how best to go about rectifying the problem and staying within the 17th edition regs. Any ideas would be greatly recieved.
  4. M

    Neighbours extension/growth of tree causing new shading in the future

    I was asked an interesting question earlier from a potential customer and I couldn't give them an answer. She has had a new extension built up to the boundary line with her neighbour and she wants to have a 4kW solar array installed on the roof facing her neighbour. I was concerned how much...
  5. M

    120v on lights causing them to remain dim

    Hi, hope someone will be able to help, i have added downlighters to an existing lighting circuit taking a switch live, neutral and cpc from the j.b, i have only added four downlighters and when the first three are connected everything is fine and i have 240v, however when i connect the last...
  6. D

    RCD Query

    Hi, Am in Spain and we had alot of rain last night. All electrics were tripped out and wouldn´t reset. I isolated the ring causing the trouble, unplugged everything and reset ok. I then started plugging things back in. Eventually the system tripped when I plugged in one of my anti surge mains...
  7. H

    dodgy wiring causing fire

    well not quite a fire but charring. It was a couple of lights i changed a couple of years ago for a mate. From ceiling roses to these decorative lights with metal base, 100w haleogen lamp and glass cover. Anyway he rings me and tells me that everytime he trys to turn the lights on the trip goes...
  8. A

    animal/ insects causing faults

    Has anyone come across this before. A client called me up about a lighting fault. after a couple of hours chasing the fault around I traced it to a light fitting in a cupboard in her bedroom. Unscrewed the pendant and all this slimy golden goo came out. went upstairs, yanked up a couple of floor...

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