Recent content by HandySparks

  1. HandySparks

    How best to pass an armoured cable through a brick wall?

    My preference would be to lay in the smallest size of twin wall corrugated ducting (40mm). Then you can pull in whatever unarmoured data cable you like. You can also change or add to the cable later. It may not be significantly more expensive overall, given that the cable will be cheaper...
  2. HandySparks

    UK Induction Hob

    Does the tester give an actual figure for the insulation resistance?
  3. HandySparks

    spur cable length

    Given the likely rating of the ceiling fan, you should replace the 13A fuse with a 3A. The cable between the fuse and the fan can be reduced to 1mm².
  4. HandySparks

    Long extension between meter and consumer unit

    Is the Victron inverter going to be supplying the house in parallel with the mains supply or will there be a changeover switch and, if so, where will it be located? In any case there will need to be some overcurrent/fault protection for the cable to the outbuilding irrespective of the...
  5. HandySparks

    Log cabins.

    If you're installing conduit, trunking or capping, bear in mind that the wood will move. If it's fairly new, the timber will dry out and shrink in width so the building might be an inch lower in a year's time. On a similar job, I used pvc conduit and left plenty of room in the joints for...
  6. HandySparks

    Crabtree Instinct Range

    Has anybody installed the new Instinct accessories from Crabtree? I like the look of them and they have some nice features for ease of installation. Proper cage clamp terminals (does any other manufacturer offer this?) and lined-up terminals. How do you find them to install and where are you...
  7. HandySparks

    Marcrist Core set with dust extract

    The Marcrist dust extract system is pretty good. A few issues: If using a core bit with slots, you need to tape them up to stop the dust flying out. The tape wears off and needs renewing for each hole drilled. Using a Henry works OK, but I suspect that the restriction in airflow causes the Henry...
  8. HandySparks

    Lounge light neutral problem

    What are your actual R1, Rn and R2 readings at the light with the switch closed? (or R1+R2 and R1+Rn)
  9. HandySparks

    Advice Wanted - VERY High Earth Resistance Problem

    But in this case (and most others), the rest of the earth fault loop will add very little impedance on top of that provided by the interface between the rod and the bulk of the earth. So the difference between Ra and Ze will, in most cases, be negligibly small.
  10. HandySparks

    Advice Wanted - VERY High Earth Resistance Problem

    In a case like this, the readings will be identical for all practical purposes.
  11. HandySparks

    Earth Leakage Clamp Meter...Why do I need one?

    If I've understood you correctly, powering up an installation with a multimeter in series with a cpc or earthing conductor is a bad idea. If the multimeter internal fuse pops, you lose the earth and the exposed conductive parts are likely to rise to 230V.
  12. HandySparks

    Can I drill anywhere on this wall?

    15 years seemed a bit short, so I looked it up. BS 7671 : 1992, amendment 1, 1994 (sixteenth), 522-06-06 describes the 'safe' zones as currently defined. Can't find it in my copy of the fifteenth. 522-06-07 covers cables outside the zones; earthed conduit, mechanical protection, etc.
  13. HandySparks

    Running cable over steel beams below chipboard floor

    MV Mi Amigo?
  14. HandySparks

    Power to a shed. What are your thoughts?

    Pretty standard around here. Allows the builder to advertise 'power and light to garage' at minimum cost.
  15. HandySparks

    Led dimmer panel driver wiring

    Sorry, best to see if someone who actually installs DALI stuff replies. I just did a bit of background reading!
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