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    Whats Kerching been upto

    Just reading the news, one article about a stuck train on elizabeth line in London due to overhead line fault, then these side stories to it caught my eye: AND https://www.dailymail.co.uk/news/article-12841073/elizabeth-line-train-trapped-sex-predator.html
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    Strange ottermill fuse carrier

    Hoping one of the older guys can shed some light on this Ottermill 100A BS3036 carrier, seems to be fitted with two pieces of 100A fusewire, but the weird thing is, the carrier looks like it was designed with two sets of holes for the fuse wire (why?, you don't need a choice of which side to...
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    Just as well I never chuck anything away

    A few years ago I'd given next door neighbour some materials to add an extra socket off a radial cirucit in his hallway (Hes the type that likes to do things himself and being during Covid was trying to minimise contact). I think I ended up looking at his fuseboard at some point, and found out...
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    RCBO tripping problem that I cannot get to the bottom of.

    Wonder if anyone can make any suggestions on this, I've been asked to get to the bottom of an RCBO tripping problem after others at the firm didn't manage to fix the problem, and as to date, I haven't yet. Issue is within one of the treatment rooms (consult room but equiped to do minor...
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    Decent external PIR sensor with sensitivity adjustment

    Anyone able to recommend one that has the senstivity adjustment control, doesn't seem to be offered by many these days. Replaced some PIR lanterns for someone either side of garage door (had previously fitted some cheapys he sourced himself where one kept triggering by itself) with some KSR...
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    Newspaper articles on damp and mould in housing association flats

    Theres a few articles such as this: https://www.dailymail.co.uk/news/article-11602051/Mother-three-left-sobbing-state-black-mould-home.html about at the moment after the tragic death of a kid a few months back It might not be a popular viewpoint, but I think there is an elephant in the room...
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    Post your worst MCB mix and match pictures

    We all know it shouldn't really be done, we have all done it when there was no choice or we know there was badge engineering going on, we have all seen pictures where someone has done it in a way thats clealy taking the piss, so post your worst photos here! To start, this is one from a school...
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    MICC gland thread

    I'm guessing this is one for the older chaps.... Got a job we are involved with at the moment, switchgear upgrades in a school built in '71. The submain between one end and the other is 4no single core 50mm pyros in a duct. Original panel has been correctly slotted between the gland holes...
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    GS23 Electrical safety on schools

    Anyone got a copy of this?, I understand that it has been withdrawn, but that the HSE state they still stand by the guidence contained within
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    Low IR underground SWA

    Spent a bit of time chasing a low IR on a lighting columns circuit recently, and while I've got serveral segments that are clearly faulty (as well as some faulty heads), I seem to have quite a few sections of SWA between columns returning figures barely into double digits, reading off my drawing...
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    Help me with van tidy ideas....

    Trying to sort the Van out a bit before I go back to work, now I;m well known as a clutter bug, but I seem to end up in a right state, nothing seems to have a proper home, I end up with Boxes or bags that contained bits for completed jobs, that still have a few bits in after jobs done, left in...
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    Where does BS7671 stop?

    Now I appricate that Sidewinder is probably the best person to ask on this, and unfortunatly is likely too ill to give his input, but I thought I'd put the question out there.... On paper its simple, BS7671 covers the supply upto the terminals on the isolator of the machinery panel and then...
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    MK Grid retrofit question

    Maintenance chap at one of the sites we do work at asked me yesterday if the back box sizes for the grid system are the same size between the original range and the grid plus range , I.e. 12 way grid backbox plastered in the wall, can logic plus yokes, modules and cover plates be retro fitted? I...
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    Install practices which annoy you

    Thinking about things that are done by original installers that annoy us when we go back years later To start: Equipment on ceilings fixed to loose bits of scrap timber in the roof above held down by the apprentice, its alright until someone on his own wants to change pull switch, fitting or...
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    Old Fire detector (Calling all old gits...)

    First off all apologies for the **** picture, I only seem to have a picture from ground level which I have cropped, I thought I took a close up as well, but alas, I did not Anyone recognise this detector, and whether it was supposed to have any kind of cover? Its a heat decetor, rated at about...
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    Switch mode power supplies leakage to ELV side

    Was looking into an issue of a shock* reported from a SELV system, the supply is of switchmode design. Approx 90v-ac was registered on digital multimeter between metalwork associated with the SELV side and the earth from a socket. Insulation test across the power supply comes up as >1000 and...
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    Operating aged switchgear problems

    Was thinking I can't be the only person to have had stuff like this happen, but have others had issues with older kit that perhaps hasn't been maintained as well as it should have. Today's drama involved a 200A switchfuse unit in a pain panel in a mains room that I'm guessing that I guesing...
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    An interesting fault - a bit of a Quiz

    We do some work for a farming estate that has a few cottages dotted about, today's job concerns one of (two I think) their properties along the 'main road' through the village. I say main road, theres quite frequent traffic, but we are definatly 'in the sticks' The job card said the immersion...
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    GDPR and certification

    Anyone managed to find any kind of guide thats relevant to what we do as electrical contractors with reference to certifcation and how it affects us if we are keeping certficiation on computers? Thoughts that are rattleing around my head atm: 1) I assume name/address is generally a 'low risk'...
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