Recent content by sunray

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    2.5mm2 on with CPC cut off to 32amp mcb Is this normal ?

    If the 2 other reds on that MCB are a ring final, then a 2.5mm² is acceptable for a correctly designed spur. Not including the earth is not acceplable even for that run only a foot long. Ican't see anythin at the FCU but is there any chance an earth has been picked from another point? It may...
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    Dumb idea, or genius. (Temp range of LED tape

    Yes the markings are done within the ice, the only time I've seen it done was with powder rather than an actual paint but I have no idea if that is anything like a standard. To thaw and drain then restart is a lot of work, not the sort of thing to do on a whim so I imagine it would not be done...
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    Dumb idea, or genius. (Temp range of LED tape

    When I started reading this I assumed you saw the ice hockey on TV a few days ago. Pro rinks are a slab of concrete with embedded gooling pipes, from start up they freeze the slab then spray water which instantly freezes and it built up to about 4". I can forsee no mechanical issues with...
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    SY, CY None Compliant????

    Having worked on a VSD today the instructions clearly stated the screen is not to be terminated at the motor but an earth conductor must be provided... What the difference is I have not a scooby doo. There are 2 earth points between the motor connexions and the VSD cable clamp, and listed for...
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    HELP my company has signed off work I haven’t done in my name

    So you have made over the phone dignostics and that allowed the apprentice to fix the fault and this written trail comfirms you took responsibility for him/her for that repair?
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    HELP my company has signed off work I haven’t done in my name

    Sadly I've know far too many qualified and respected sparks who struggle with this if it isn't exactly as the standard.
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    Lighting cable through mdf

    Potentially this could be the case when using a contactless device, ie voltstick.
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    UK How do you use a Megger avo to read 4 to 20 milliamp signals

    I will put my hand up here and say I find auto ranging and 4-20mA don't mix. Of course it depends on what you're measuring and how fast the changes are, but even so I've managed to take multiple readings at a controller and misread... say 165uA as 16.5mA. Fortunatly I have several meters with...
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    That was a rental property, with previous tenants diy wor. The actual call out was due to a faulty bathroom fan, IIRC when Ambulance creww attended a call. There are about 17 cables there and once an adaptable box with Din rail and terminals was fitted the nasty corner went away. As it happens...
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    We fitted a dado trunking alond 2 sides of a big room: Video cables in the top, audio cables in the middle & data/control cables in the bottom. "ELV only" stickers applied every couple of metres or so. Above the tunking was the existing 2 ring finals of metal clad sockets/20mm steel tube. All...
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    Help with outdoor meter box?

    Cheaper at CPC and I suspect wholesalers. https://cpc.farnell.com/ce-tek/gr17282/abs-enc-trans-lid-240x190x120mm/dp/EN84564?CMP=CPC-ebooks-BIGBOOK2019
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    Henley Block between meter and main switch

    OOps sorry not a regular on here and didn't realise it was an old thread. I've always phoned before cutting seals and they've always said to go ahead and to call back for an update and reseal.
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    Dodgy trade pictures for your amusement! - 1 Million Views!

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    Dodgy trade pictures for your amusement! - 1 Million Views!

    Maybe because they they get it wrong so many times... I built a control panel 2.1m tall, exactly according to design. it was installed exactly as designed as were loads of other services. Plumber [except we decided he wanted a posher name - pipe fitter] came along and decided his 4" pipe would...
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    Quite a common solution... afterall no bloke will miss when they 5h1t

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