Recent content by teacherspark

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    Plumber's reason for RCD tripping.

    Thanks for the replies. I've been paid up for the recent work. I'll be quoting for a new board but will be adding something regarding the nuisance tripping from the boiler (if the old 'new' pump is replaced back in). I'm assuming they will get a new new faultless pump and carry on with their...
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    Plumber's reason for RCD tripping.

    That is my thoughts but then I start doubting myself as he has a spark to get advice from. I can't/won't push the point with the customer as the plumber is related to them. Also I can see me changing the board and then plumber comes back with a new pump, identical to the last faulty new...
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    Plumber's reason for RCD tripping.

    Plumber changes boiler and RCD main switch starts tripping at various times when its firing up or soon after. (I was there doing other work). I test ring (that its connected to) and get +299Mohms on all tests. RCD doesn't trip at x0.5 and trips at x1 and x5, all fine. I've suggested to them...
  4. Screenshot_20191015-202259_Gallery.jpg

    Screenshot_20191015-202259_Gallery.jpg

    • teacherspark
    • Media item
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    • Category: Professional Electrician
  5. 20190926_083402.jpg

    20190926_083402.jpg

    • teacherspark
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  6. T

    'Particulars of the installation' for two submains split at the origin.

    I do have 4 test sheets. However there is only one section for particulars of the installation on page 2. I'm edging towards it being classed as two installations. Thanks 1569134273 EIC. For the whole lot. Full rewire including the sub mains. Thank you
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    'Particulars of the installation' for two submains split at the origin.

    At the origin, I have 25mm tails split to two fused switches. One 63a fuse protecting a 16mm (3 core SWA) submain to a DB (100a main switch RCBO board) at one side of the property and one 80a fuse protecting a 25mm (3 core SWA) submain to a DB (100a main switch RCBO board) at the other side of...
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    Board change (RCBOs) Lights trip sockets

    Fused Connection unit above the counter top in the kitchen supplying ignition for a gas oven. Twin and Earth from the FCU, down to behind the oven and then the flex from the oven jointed to the twin in a JB, screwed to the wall. However this JB seems to have been originally for a lighting...
  9. 4 Junction box close up.jpg

    4 Junction box close up.jpg

    • teacherspark
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    • Category: Electrical Videos
  10. T

    Board change (RCBOs) Lights trip sockets

    There is a unswitched fused spur, which from a brief investigation, supplies a few things, the extractor, under cabinet lights and cooker ignition and maybe something else o_O The under cabinet lights still work when the lighting RCBO is switched off so they are definitely fed from the...
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    Board change (RCBOs) Lights trip sockets

    Evening all, I changed a board today in a ground floor flat. 3 circuits with separate RCBOs (Shower 40A, sockets 32A, and Lights 6A) Switching on any light switch causes the both RCBOs for the lights and sockets to trip. Insulation resistance results are in the 100s between conductors on...
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    ECIR requested by the supplier.

    I understand I should do everything that isn't included under 'agreed limitations' however what I'm saying is that the client is requesting just dead test be performed as per the instruction from the supplier. Therefore the inspection schedule would be a agreed limitation. It would make the...
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    ECIR requested by the supplier.

    I have an EICR to do. The customer has said the electricity supplier were due to replace the meter but have not reconnected the installation until they get a 'certificate to say its safe'. They have said they only require dead tests to be preformed (obviously) and no inspection of accessories is...
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    The wiring of giant wedding/party Letters

    Thanks for the replies, They will be portable. Taken to a venue for an event etc. and taken away again. Good thinking about making them as fool proof as possible. ELV reduces touch voltage yes so a good idea I guess. Can you get ELV E14 LED lamps? Should RCD protection be afforded too...
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    The wiring of giant wedding/party Letters

    I wondered how you knew that about me....Private eye maybe? No, I had included it in my profile when I first joined. So, that was 3-4yrs ago now and I no longer teach. "nice warm classroom well behaved Kids paid holidays, well respected, especially teaching Science, my dream job. Or is it not...

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