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    Help please with understanding a borrowed neutral

    Thanks Telectrix, spot on, I rewired the borrowed live and put a neutral in the right bar, I feel daft missing that one.
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    Help please with understanding a borrowed neutral

    Hi Scornio yes they do hold when I do that. My misunderstanding is by disconnecting the link from down to upstairs I would have thought the imbalance would have been removed or am I thinking wrong
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    Help please with understanding a borrowed neutral

    Hello everyone Could someone explain why the following happens with a borrowed neutral? Did a cu change today and installed a dual rcd board, Previously the up and downstairs lights were on the same mcb. I was half expecting the rcd/s to trip when I separated them, which they did. I dont need...
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    Help needed with photocell problem

    I need to add a override switch to a Photocell controlling a light. My thoughts is to use a one gang two way switch to switch between a live feed to light and live feed to the photocell, the only problem i can see is in doing this, is the switch live terminal of the photocell will be live when...
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    maximum demand and diversity

    when I asked my Elecsa assessor at my assesssment for advice on max demand calcs, he told me about the book - The IEE Electrical Installation Design Guide, which is quite a helpful book, but he also told me that most sparks just add the breakers up and times by 0.4
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    Can anyone tell me the size of the MEM fuse box

    HI everyone I have a picture of a old MEM fuse box,which i need to know the size of, it is a job I am pricing for and dont know what size consumer unit i can fit in the small space vailable. The job is a long way from me and i dont want to waste half a day just to measure a space
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    tax and subsistance

    The distance that you can claim subsistance allowance is quite vague, I live in Cardiff and my accountant said I could claim for anything over the bridge. The amount is down to the reciepts for food, accomodation etc you collect, so get a reciept for everything
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    Water Pipe Bonding

    I have just visited a property which has no bondings to gas and water pipes, I thought no problem to rectify, other than getting customer to pay for more than they wanted doing. My problem is the incoming water pipe is completely buried in a wall except for the spindle sticking out.The only pipe...
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    Fire Alarm Install

    Im installing a fire alarm system in a student let, It includes one heat detector and three smokes. I believe it is grade D LD2. It is powered from a regularly used lighting circuit. Can i issue a minor works or does it need to be a EIC. Also do I need to get a third party to commission and...
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    recovering money

    I have been in the building trade for a long time, i have come across quite a few people/ companies who are not very good payers. I firstly sum up if my money is safe, if they are slow payers i allow for it in the estimate. If i sum up that the customer is not that important to me i normally...
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    Cables in Attics

    Hi Guys Can anyone point me to the regulations for running cables in attics, or what do you guys do in practice, I am unsure whether cables should be run free or clipped to joists
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    DeWalt XRP DC988L1 18V Li-Ion Cordless Combi Drill

    Don't think Dewalt is as good as they used to be, ive got a 18v combi drill and a 28v nano drill/ chisel. Both have been back to dewalt to be repaired within 6 months of purchase, gearing went on both. The torque setting on the 18v keeps sticking. I wont be buying another dewalt
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    NICEIC Certification Scheme NICEIC test sheets

    Hi Dnjr As far as i know if you are not registered with approved Part P scheme , who sanction your work as complies with regs. Then you need building control to do it for you,either way it all ends up in the building controls lap, but you either pay building contol to pass it with one off fees...
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    NICEIC Certification Scheme NICEIC test sheets

    Hi Im only a newbie to electrics but as i understand it, if you are not registered with NICIEC, or Elecsa or any other Part P Scheme then building control will reject it. They will allocate their own testing and inspection (at quite a high Cost)
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    Distributors fuse type

    Thanks everybody I think i will just put as advised by nickblake Unable to access fuse charactoristics
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    Distributors fuse type

    All the flats have another cut out by their meters, so that makes all of the flats with two main fuses i think western power removed all of the seals a few months ago whilst doing something or they never had any
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    Distributors fuse type

    Hi nickblake This cut out is one of about 9 feeding individual flats, none of these have seals, so i looked at the fuse which in this case is for the communial areas, considering its feeding 8 lights and 2 sockets, its a bit over the top. Its the original suppy put in about 1960 - 1970
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    Distributors fuse type

    Thanks Chris Would i note the Type down as AEI Series 3
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    Distributors fuse type

    Hello Everyone Can anybody help me with what to put on a Installation Certificate with regards to the distributors main fuse. I looked at one today which had very little information on it other than "AEI series 3 100A". I know the enclosed fuse is 100A HRC, but i dont know what to put for the...
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    pscc and pfc

    Hi my fluke is 6 months old and the Ze is 0.11

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