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  1. 1Justin

    Bicc brown electrical sealant

    Not got any. I did a big rework not long ago where external floodlights had been connected with SWA terminations (semi-underground in damp ceramic pots, or in gravel) using Galv conduit boxes. The original work was mid-1980's. The boxes were potted fully to the lid with brown stiff goo. I...
  2. 1Justin

    Rewire a table lamp - any help appreciated!

    Built in PIR's. Yep I've had those problems too many times.
  3. 1Justin

    Rewire a table lamp - any help appreciated!

    I think that's where brand quality comes in, and I agree, I have had failures. The differences are quite clear with the approach taken by the more commercially orientated downlight and spotlight manufacturers compared with "domestic" brands. But for light bulbs, which are still seen as...
  4. 1Justin

    Stroma Certification Scheme Defeated By Stroma Online Certification

    You're really selling Stroma here. It had crossed my mind for the cost savings, but that's put me off. - Any others got more positive reports?
  5. 1Justin

    Rewire a table lamp - any help appreciated!

    That's valid, and I'd like to see some complete cradle-to-grave figures. I can't find any, but if you do, let's see some :) All we can easily get are energy as I outlined, and this is of course only part of the picture. But the figures are so persuasive it's hard to not to argue the benefit...
  6. 1Justin

    Rewire a table lamp - any help appreciated!

    Figures are hard to find, so let's make them up.. Just one 100W bulb will "emit" about 60KG of CO2 during it's 1200 Hr lifetime (UK typical power generation mix at 0.5 KG/KWh ) and cost £18 (~ 120 KWH) to run. Since the LED should last at least ten times as long, in it's entire 12000 Hr lifetime...
  7. 1Justin

    Rewire a table lamp - any help appreciated!

    Hi Jacqui. You can't get 100W bulbs anyway, good thing too, planet wrecking things. And remember that "Eco Halogen" is greenwash. There is no such thing as "Eco" Halogen, but others have given you some leads for LED bulbs so you should follow that up. You'll be looking for minimum ~950 Lumens in...
  8. 1Justin

    Kite powered power stations

    A great concept provided it can work in the fully automatic way it needs to without supervision. Launching and re-furling to cater for the low wind or excess wind conditions is a huge challenge. Also I'd say, the physical strength of these kites once the wind exceeds a certain point. They are...
  9. 1Justin

    Exterior lighting

    Well I often tell customers that I need to see the lights beforehand, and that if they don't support loop-in (or at least 2 cables), it's going to cost them extra and/or they'll be having another box on the wall! Too many lighting manufacturers don't support the prospective installers. I...
  10. 1Justin

    Consumer Unit Change

    You can't leave 30 Ohms r2. But you really don't need to start splitting the ring to begin to locate the fault. Several ways to do similar, but why not connect L-CPC at CU on just one cable of the pair. Nip round the sockets with your MFT measuring L-CPC and find the one where the reading jumps...
  11. 1Justin

    Lived in house rewire tips

    Lived in rewire. Loads of fun. Good vacuum cleaner, allow 2 hours each day for moving furniture, taking up carpets, stuffing nick-nacks (or knickers) into boxes, and generally disrupting their house everywhere. Agree beforehand exactly what they expect "making good" to mean. Agree with them...
  12. 1Justin

    VOELCB

    Figure this one out then. (all done and dusted now, including a MET connected to something more conventional :)
  13. Original install_2.jpg

    Original install_2.jpg

    • 1Justin
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  14. 1Justin

    VOELCB

    I took one out exactly like that last week, still have the bits in the garage.
  15. 1Justin

    Led floodlights

    I'm hesitant about the lamps with integral PIR. I know it saves money and install time, but when manufacturers are cutting cost (who doesn't), I suspect the quality of the electronics in the PIR is one of the first things to suffer. I've certainly had problems with unbranded ones and well as...
  16. 1Justin

    Smart meters

    Infra red might help a little, but are most effective when you are in front of them (line of site). I can't see how a smart meter on it's own would make any difference at all, other than provide easier access to the numbers, but timers on individual heaters could help (at the expense of more...
  17. 1Justin

    So I have been doing it wrong all these years

    No! someone's got my Avatar. I assume maybe you did it first, but it seemed a good idea to me (and I really hadn't spotted yours beforehand !). Great minds think alike. Mine is just behind the house.
  18. 1Justin

    So I have been doing it wrong all these years

    OMG. - And then to put this onto Youtube displays an astounding incapacity to grasp the basics.
  19. 1Justin

    Question about electric shock

    @ Dylan. It sounds like you are lucky - if daft. Assuming your shock was live-earth (to the metal part of your lampholder), then you also have no RCD protection in your lighting circuits - which wasn't a requirement till a few years ago. You might like to ask a friendly electrician to do...
  20. 1Justin

    Who Are Our Resident Green Energy / Solar Experts?

    I've done my bit with PV surveys, PV design and sourcing for mostly domestic installs, PV software, MCS paperwork (mountains of it). I also maintain my own solar thermal system on a personal level. Designed and fitted some MVHR installations, done some Immersuns, wired an ASHP, fitted 3G doors...

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