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  1. J

    AFDD in 18th 2nd Amendment

    I the design does not conform to the 18th with amendments, then he can tell us where. So far no has. All I have read is innane circular babble though. Now back to watching the football.
  2. J

    AFDD in 18th 2nd Amendment

    Football on TV. First things first.
  3. J

    AFDD in 18th 2nd Amendment

    I have to get you to think and read. Your minds is all over the place. Back to the point. The design conforms 100% to the 18th and its amendments, offering full AFDD protection to sockets. If you cannot see that why are doing the job you are in?
  4. J

    RCBO energy consumption

    Heat I have purchased . But heat when I do not need heat. :)
  5. J

    AFDD in 18th 2nd Amendment

    Yep. 32A RCBO with 4mm cable radial serving three FCUs. Show me where any reg say it is illegal? You could have it on a 2.5mm ring, but there may be a danger of the 2.5mm on one of the legs of the ring being over loaded. So 4mm is 100% safe. I find it amazing that two guys here cannot figure...
  6. J

    AFDD in 18th 2nd Amendment

    I said it was for a flat that needed AFDD. Sharpen up. Dishwasher (1.5kW), w/machine (2.2 kW), tumble dryer (3 KW), are all together under 32A, so fine on a radial. Fridge/freezer can go on the ring - they consume 150 watts, even the American style fridges it is only around 250 watts. They do...
  7. J

    AFDD in 18th 2nd Amendment

    4mm cable can take at best around 41A. I meant to write 32A protecting the 4mm cable. A 3kW tumble dryer, washing machine 2.2kW and dishwasher at 1.5kW. All well under 32A when all full on. Depending on cost, it may be cheaper to replace the 4mm cable with a ring supplying the three heavy...
  8. J

    AFDD in 18th 2nd Amendment

    That is good design. All heavy appliances are one circuit. It conforms to the 18th and its amendments. I have not done this. Sharpen up! Read what I write. I even put bits in bold for clearer understanding. AFDDs are expensive, so what is a cheap minimal installation with rising costs, in a...
  9. J

    AFDD in 18th 2nd Amendment

    Oh I am feeding this troll. Apologies to all. "Please explain how the regs allow this optimistic method of cable and protective device choice" Please explain where they do not? "So where in this minimalist installation would you connect the outside lights, the garage, the shed in the garden...
  10. J

    AFDD in 18th 2nd Amendment

    Tell me where that installation would give problems? All heavy appliance are on their own radial. As are the cooking appliances - a 3kW oven or hob with 13A plugs are not on the ring. The ring will take few heavy current appliances and these used only for very short periods. The installation...
  11. J

    AFDD in 18th 2nd Amendment

    Nuisance tripping? Where? How? Overloading? Where? Q1? Is it safe? Yes. Q2? Is it legal? Yes. Q3? Does it protect against arcing on sockets? Yes. Q4? Does it give full RCD protection? Yes. Q5? Does full overload protection? Yes. Q5? Does it give full fault protection? Yes. You may not see an...
  12. J

    RCBO energy consumption

    A 1.00mm LED lighting circuit can use a 3A MCB, as the current draw will not get near to 3A. My LED lighting circuit draws 1.3 A max - I used an amp clamp with all lights on. Using a 6A mcb would reduce the possibility of a warmish MCB/RCBO and still protect the cable, one of its two prime...
  13. J

    RCBO energy consumption

    Believe me, they do get warm. On the top and to the side. I have quality Wylex RCBOs, not some cheap Ebay trash, and they do get warm. MCBs will become warm if highish current is running thru them - e.g., 4A running thru a 6A mcb for a while will make it warm. Which brings me to the point of...
  14. J

    AFDD in 18th 2nd Amendment

    A point brought up in this thread was that expensive AFDDs being mandatory in flats in blocks of 6 floors and over, installation will be cut to the bare bone to save costs, with 1940s/50s levels of scant circuits. They may filter down to all residential installations. But it can be done safely...
  15. J

    RCBO energy consumption

    I switched off overnight the RCBO supplying a radial which only has washing machine on it - washing machine was unplugged. The RCBO was warm before it switched off. This morning is was cold. I switched it back on at 8 a.m. it is now warm. A CU with say 15 RCBOs can generate a fair bit of heat...
  16. J

    RCBO energy consumption

    Unnecessary? Mmm, no. Some board designs can use more energy than others. John Wards vid, I posted, shows that an RCBO, well the Hager he looked at, do not consume any energy when off.
  17. J

    RCBO energy consumption

    An MCB will not give off heat if current is not drawn thru it. The heat is via the coil inside which all the current runs thru - fault detection coil. Too much current running thru the coil it detects a fault, so the coil becomes a solenoid throwing a pin inside the coil pushing the spring...
  18. J

    RCBO energy consumption

    I have never felt a fuse being warm with no current being drawn.
  19. J

    RCBO energy consumption

    Aron B posted the data sheets for Hager mcb & RCBOs.
  20. J

    RCBO energy consumption

    Did search on Youtube. John Ward stripped down a Hager 20A RCBO. A quick skim thru the vid, not looking at it all - It looks like they do not consume any energy when the switch is off, answering my original question. Needs more looking. My oven Wylex 16A RCBO was warm with no current draw. I...

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