protective

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  1. E

    disconnection time permitted for protective devices?

    what is the disconnection time of the protective devices protecting : a) a socket outlet circuit b) a fixed water heater circuit?
  2. S

    Primary supply overcurrent protective Device

    While completing the Elecsa certificate, it asked for the nominal current rating and short-circuit capacity of the primary supply overcurrent protective device. The system is a TNC-S and there is nothing written on the fuse at all to say what rating it is. Also it is riveted and it cannot be...
  3. H

    protective bonding in an indoor horse arena

    Hi, Im wiring some lights in a new indoor arena on a farm its for the people who have horses on the farm not shows or anything like that , anyway its the usual steelwork which is pile driven into the ground and wooden joist between the sections for the roof and such like all my wiring will be on...
    • hughesy
    • Thread
    • aus bonding protective
    • Replies: 5
    • Forum: Australia
  4. D

    Radial Circuit Protective Device

    Just been asked to jump on a job which needs completing before end of Jan. The guy I'm helping is 74 and very experienced. We are doing 8 double bedded flats. 5 Complete and 3 to go. 17th Edition split boards with 5 Circuits Kitchen Ring - 32A Lights - 6A Smoke - 6A Then we have 2 radials in...
  5. A

    Main protective bonding conductor

    Hi, Recently i carried out a periodic inspection report. It was on a house that had a separate boiler house. The boiler house had a light, a few spurs for the boiler and heating pump. It was an oil fired boiler and i placed a defect on the report as the incoming metal oil supply pipe had no...
  6. spamwize2

    schedule of inspections poser!

    on completing the schedule of inspection checklist, what does "presence of earthing arrangements for combined protective and functional purposes." mean? to tick or not to tick? someone from IEE said NA my boss said tick but i would like to know what i'm ticking or not!!
  7. S

    touch voltage

    when i did my apprentaship for a pub refurbing company i was always tripping the rcd when cutting through N - E. is this tripping because of touch voltage in the earth? my boss who taught me the little i know some years back told me that it was cos of some juice in the neutral. but given how...
  8. N

    Protective devices

    Hi, I came across a problem were it was said that protection by MCB's appear in favour to HBC fuses according to the IEE Regulations. I cannot find this information on the IEE Regulations. May somebody knows where to find this information?.
  9. L

    where to find the protective device operating current (I2) in 7671???

    does anyone know where in the bs:7671, you can find the protective device operating current (I2) ? Ive been looking for quite some time now, and i'm getting rather fustrated, because I cant find it? cheers luke

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