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  1. ericmark

    Sauna logistics

    I would have said that some years ago, however they were fitted here when I bought the house, and with the supplied rose, they seem adequate. I look at the description 80A RCD - 40A MCB - 16 mm cable - CU - (32A MCB + 6A MCB + 40A MCB) the 40A feeds a caravan, so that feed can't be TN-C-S it...
  2. ericmark

    Advice on adding two double plugs onto the main ring via a fused spur

    I have three outside double sockets, two are plugged in to ring finals, so if they do get water ingress, easy to isolate, but at the socket no way would you know its simple plugged in. So there is nothing to stop you, unless in a kitchen or outside in Wales, from making an extension lead and...
  3. ericmark

    Tool of the Week

    The smaller versions were embossed with the name "footprint" I have one somewhere, think jaw opens to around 2 inches. Also, a crows foot stamped on it, so likely came from war surplus shop in Chester by the canal basin. Got loads of my tools there when I started work.
  4. ericmark

    Interesting Regulation of Yesteryear

    The problem is some items the current increases with increased voltage and with others it drops. Anything with a switched mode power supply the current is likely to drop as the voltage raises. So with a cooker, with an induction hob, which way will current go with voltage?
  5. ericmark

    Switching from oil to a heat pump

    Be it oil, gas, or heat pump, correct size is important. Too small that's obvious, but also too big reduces efficiency. But the amount too big reduces efficiency is far more marked with a heat pump. So my house, all windows renewed, loft insulation fitted, result, the oil boiler is now too...
  6. ericmark

    Tool of the Week

    It seems to have a large "Footprint"!
  7. ericmark

    Changing world?

    I remember communicating with someone in Australia using packet radio, it was a case of "hello bill nice to see you again" then put on the kettle, make a cup of coffee, and return to the radio/computer and wait for the reply. Packet radio worked, but it was really slow. I remember in Hong Kong...
  8. ericmark

    Sauna logistics

    16 mm² with a 40 amp overload seems OK to me, does not matter what loads are put in the cable if over 40 amp it will trip. I would be more looking at distance and earth rods, I assume whole supply is TT, but I would want to look at the set-up to decide how many earth rods, and were, with a TT...
  9. ericmark

    Advice on adding two double plugs onto the main ring via a fused spur

    To house someone in a care home costs a lot of money, so in the main social services will bend over backwards to get your house suitable for the person to return home, have you asked social services?
  10. ericmark

    Ring final spurred off from a JB to each socket

    I did a cheese factory that way, the reason was to reduce volt drop. Due to the fridge having high walls and the volt drop going up/down the walls, but in a normal house one would have not expected it to be big enough to need it.
  11. ericmark

    Advice on adding two double plugs onto the main ring via a fused spur

    Depends on your skill, what I did was to replace the double socket with a grid switch plate, socket, switch and fuse. This did away with the need for a dedicated FCU, but a bit more fiddly to do. @Murdochcat is correct, any addition should comply with current regulations, whereas what exists...
  12. ericmark

    Advice for changing blanking cover to double socket

    What test gear have you got? We may be looking at a ring final, but the mixture of old and new colours seem to point to it being a spur or a radial. So step one is to find out what we are looking at. So if I was doing the job, I would select NCV on my meter, clip it to the wires, and get my...
  13. ericmark

    Changing world?

    My worry is that using modern technology may as I get older, need someone else to fix it. The central heating here was in a mess, and I had a couple of PLCs which could easily be used to control it. But could a domestic electrician fix it if and when it goes wrong? As it was, I used Nest Gen...
  14. ericmark

    Integrated LED ceiling lights - best to avoid?

    I got 5 of the cheap larger LEDs shown here, after the smaller ones were flashing, when switched off. One failed, so ordered 4 more, but opened the bulb out of interest, found a dry joint, resoldered and put back in use, that was some 3 years ago, and still working.
  15. ericmark

    Integrated LED ceiling lights - best to avoid?

    If only, bitter experience seems to be, more they cost the more the manufacturer makes in profit. There are of course exceptions.
  16. ericmark

    Changing world?

    Over my lifetime things have changed, some things we have no option, teletext, telegram for example, others are due to my own choice, like not using a slide rule, giving up packet radio, others it is 50/50 like the loose of RAYNET, some areas it is still active. The BS 1363 plug and socket, FCU...
  17. ericmark

    Integrated LED ceiling lights - best to avoid?

    That's the problem, just had a smart socket adaptor controlling wife's bedroom fan stop working, so easy to just unplug it and plug in a replacement, if I had been using a hard-wired socket, it is so much extra work. The other thing is as things improve, harder to use the new improved model. I...
  18. ericmark

    Integrated LED ceiling lights - best to avoid?

    I have a couple of integrated, where my wife came home and said fit that. And the outside light, with the LED's in the top of the carriage lamp facing down, I have to admit it lights the entrance better than the one with a bulb, where the light goes up. But with the integrated one I need a...
  19. ericmark

    Water until established, how does one know it is established?

    It has worked, little has died off, and I would say now established.
  20. ericmark

    Interesting Regulation of Yesteryear

    As an apprentice, if I went into the office and asked to look at the regulations, I was met with what do you want them for. I had not realised neutral had been classed as live for so long. Also, how the bulb had been called a lamp for so long. Which is clearly wrong when everyone else calls...
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