Recent content by silver surfer

  1. silver surfer

    British Standards not highly regarded

    I've worked down under with Aussies and Kiwis, do they still use catenary wire to tie T&E anywhere they can? and those metal skeleton back plates that fix to wooden "dwangs"?
  2. silver surfer

    British electrician moving to Christchurch New Zealand

    I worked in Christchurch, albeit in the late 90s, and from what I remember then the rules were a bit softer in NZ than Oz. I had a working Visa but didn't take any trade exams prior to or during my stay.
  3. silver surfer

    Non combustible cable supports in escape routes.

    Ive just read the same report. Looking like plastic plugs are not considered suitable given there failure to withstand a recommended temp of 600 degrees.
  4. silver surfer

    A little bit of clarity!

    0.1 seconds is the lowest disconnection time the manufacturers will quote I believe.
  5. silver surfer

    A little bit of clarity!

    If you've measured the actual Pfc then use that. Where this fault current value intersects with the time on the time/curve graph in the book use that time in the adiabatic equation.
  6. silver surfer

    Most accurate Insulation Resistance tester out there?

    Oh really ? Lol calculation or presumption ? Seems more in keeping Lol
  7. silver surfer

    Most accurate Insulation Resistance tester out there?

    as recent as last week actually. Measuring r1r2 on 100 metre runs of 240mm conductors in parallel, 12 cables in total. the instrument reading was bang on the pre-calculated values as well. Well worth the 40 quid a week hire charge. i obviously wasn't as entirely clear on the OPs requirements as...
  8. silver surfer

    Most accurate Insulation Resistance tester out there?

    Agreed anywhere up to 2.5 grand
  9. silver surfer

    Most accurate Insulation Resistance tester out there?

    But never the less an option for the OP to ponder............. Lets not make presumptions on his available budget or technical capabilities.............. That would be rude...................
  10. silver surfer

    Most accurate Insulation Resistance tester out there?

    Megger DLRO 10 HD goes to 4 decimal places for low resistance readings. Megger LTW 425 goes to 3 decimal places for Earth Loop readings.
  11. silver surfer

    Electrician and QS on trial for death of woman

    http://electrical.------.org/wiring-matters/43/unlawful-killing.cfm?type=pdf More clarity here.
  12. silver surfer

    Electrician and QS on trial for death of woman

    There is an obvious flaw in the QS system as he or she can not be expected to supervise every activity on numerous sites. As others have already said, the fault in this case may not have been picked up anyway, the reason they are all in court is due to the admission by the mate that he did not...
  13. silver surfer

    Electrician and QS on trial for death of woman

    I agree that the duty holder is fulfilling his responsibilities regarding appointing a suitable QS. But the DH should be held to account for sending a clearly unsuitable person to carry out the testing. Im unsure whether the QS actually fabricated the results or was he handed a set of bogus...
  14. silver surfer

    Electrician and QS on trial for death of woman

  15. silver surfer

    Electrician and QS on trial for death of woman

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