Recent content by brianmoooore

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    Is it possible to put a 16mm swa on a 40a mcb protected by an rcd

    Poor design. SWA doesn't need protection by a RCD, since there's very little likelihood of making contact with the live conductor, without shorting it to earth, in which case the OCD will take care of things. Ideally this should be a fuse rather than a MCB, to provide discrimination between it...
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    Class 2 bathroom down light recommendations?

    Fixed wiring is required to incorporate an earth conductor, whether or not the fitting connected to it requires an earth or not. If the existing wiring doesn't contain an earth wire, what kind of cable is it? Are the existing fittings 12 volt?
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    Single Phase Puzzle to challenge you

    I've been asked to 'look at' a few of these DIY type compressors over the years, and the usual scenario is that one of the capacitors has failed. Replace it, and it'll run for a week, until the replacement capacitor fails as well, which is probably because the winding has developed a few shorted...
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    Single Phase Puzzle to challenge you

    Also, your results don't make sense. If you have 5.6 ohms between black and each brown, then the maximum you are going to see between the two browns is 2 x 5.6 ohms =11.2 ohms, not O/C.
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    Overhead 240V Supply - How is Earthing Provided?

    Hence the former name for TNC-S, PME. Protective Multiple Earth.
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    LandLadyLu saying Howdo

    Plenty do, and fail because of it. Never fails to amaze me how many people submit a car for an MOT with blatantly obvious, easily fixed failure points.
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    Overhead 240V Supply - How is Earthing Provided?

    This kind of supply is known as TNC-S Earth (Terra) and neutral (N) combined (C) up to the consumer's supply, and then separate (S). You are correct that there is potential danger if the supply neutral fails, and there are regs applicable to TNC-S systems to alleviate that danger. If overhead...
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    Medical Question

    Seems I'm not too badly infected. Only thing I bought was an all metric 5m tape measure to replace the last of my French 'imports' that I broke a couple of weeks ago. The Stanley one I bought was the only one I could find in the whole show. 1970 was when the UK 'went metric', why on earth are...
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    Medical Question

    Going to find out today if I'm infected. Just off to Elex/Toolfair for the firs time in six years.
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    UK Fitting a timer to an electric aga so it can't be used in the night

    They think the supplied one might be too small for their needs, or it's a Wok type thing that they think mightn't be supplied at all (they would be right). History now, since the one induction hob has been replaced by a conventional one.
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    EICR, no 3A fuse for a fan

    Bathroom fans need regular maintenance to remove the build up of skin tissue from them, and there are live exposed terminals (often permanently live) while doing so.
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    UK Fitting a timer to an electric aga so it can't be used in the night

    Or by people who take their own favourite aluminium frying pan on holiday with them. Believe me, it has happened. In the holiday cottage business, KISS definitely applies. Never underestimate the stupidity of some members of the public.
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    A little depressing when you see stuff posted on here as antiques, that you've fitted as new. Later versions of these switches has similar switch mechanisms inside to modern plate switches, but earlier versions had a totally different underslung over centre mechanism that gave a fast make and...
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    Isolate consumer unit help

    The switch circled in blue should already be off if the front cover of the CU has been removed!
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    Isolate consumer unit help

    Economy 7 supply at one time? That's the only time I've seen single pole isolation. One pole of the isolator for the 24 hour supply and the other for the 7 hour.

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