Recent content by David345

  1. D

    How do you disconnect neon lights in sockets while doing insulation resistance test.

    Right interesting, cheers.
  2. D

    How do you disconnect neon lights in sockets while doing insulation resistance test.

    Well that reminds me, if you were doing an insulation resistance test on a row of LED lights, would you have to disconnect them all if they had sensitive electronic parts in them
  3. D

    How do you disconnect neon lights in sockets while doing insulation resistance test.

    Yeah that's true, thanks.
  4. D

    How do you disconnect neon lights in sockets while doing insulation resistance test.

    Really, i didn't know it was that simple lol, thanks, would that be ok when doing AM2
  5. D

    How do you disconnect neon lights in sockets while doing insulation resistance test.

    Hello everyone, I was just wondering how do you disconnect neon lights from socket outlets when doing insulation resistance test, as this will effect the readings, thanks.
    • David345
    • Thread
    • disconnect doing insulation insulation resistance insulation resistance test lights neon resistance sockets tesing test while
    • Replies: 16
    • Forum: UK Electrical Forum
  6. D

    Do transformers produce more power than what is put in?

    ? haha
  7. D

    Do transformers produce more power than what is put in?

    Yeah don't worry I will be sure to give you plenty of notice before I try this, hahaha.
  8. D

    Do transformers produce more power than what is put in?

    Right interesting, thanks for the reply, yeah I will do some research on youtube on that as well.
  9. D

    Do transformers produce more power than what is put in?

    Ahh right so using owms law if its 11kv x 53A that = 583000 Watts on the primary and then on the secondary 230v x 1400A = 322000 Watts. Then using 400 volts on the secondary would be 400v x 1400A = 560000 Watts. What voltage would you get if you connected all three phases together on the...
  10. D

    Do transformers produce more power than what is put in?

    This might sound like a stupid question but I just don't get it. A electrical engineer at my work who works mainly on the high voltage areas like transformers and sub stations said that the 11kv step down transformers draw only 55 amps on the incoming and that would provide 230v on the outgoing...
  11. D

    Which is better BS1361 or BS88?

    So are there no difference between the BS1361 and BS88 fuses other than the BS number. If so why change the BS number if there is no change. Do they both still contain sillica or similar powder inside them? And if I'm right did the fuse history go like this BS88 fuses came first then the BS1361...
  12. D

    Which is better BS1361 or BS88?

    Why is BS88 preferred to BS1361 though, even though BS1361 tends to have a higher breaking capacity.
  13. D

    Which is better BS1361 or BS88?

    Was wondering why was BS1361 replaced by BS88 even though BS1361 tends to have a larger breaking capacity according to the on-site guide if I'm reading it right, however, I maybe wrong. For example BS1361 breaking capacity can be 16.5kA to 33kA depending on what type you get, where BS88 is 16kA...
    • David345
    • Thread
    • 1361 18th edition amendment 1 amp amps better breaking capacity bs1361 bs1361 fuse bs1361 or bs88 bs88 bs88 fuse bs88 or b1361 cartridge cartridge fuse fuse fuse box fuseboard fused fuses kiloampere mcb
    • Replies: 6
    • Forum: UK Electrical Forum
  14. D

    How does variable electricity tariff work

    Thanks for that much appreciated
  15. D

    How does variable electricity tariff work

    I haven't seen any but I remember my college lecturer saying that when he was younger electricity used to be cheaper at night. So at night his storage heater would heat up when the tariff was cheaper and then in the morning it would heat the house up.

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