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  1. M

    Water cylinder thermost question

    I have a customer who has an 18" thermostat in their water tank which periodically requires resetting. I went to replace this but am unable to put a new 18" one in as the tank is very close to the ceiling and the thermostat is withdrawn in an upward direction. I can get the 18" one out by...
  2. M

    24V dc lighting circuit

    I am having a flat roof constructed with solar panels over. As it is a cold, vented flat roof I will be having 175mm of Cellotex insulation immediately above the ceilings which I am reluctant to dig into to fit downlights (which I have never been the world's biggest fan of anyway). My thoughts...
  3. M

    Underwater lighting?

    Whilst having some building work done we discovered a stone lined well under our new kitchen floor , It is 25' deep and hand dug (through shillet) we think in the 1600s. Water level is about 4' down and the water is crystal clear. It is quite an amazing extraordinarily well built thing which...
  4. M

    Acceptable departure?

    Been working at a large property with a tt system with a 100mA upfront rcd. Works undertaken in 2012 (inc 3 x split load cu replacements) were not documented and not done to an acceptable standard, I am encouraging the customer to seek redress. When testing my additions the 5 x trip test is...
  6. M

    Deta consumer unit

    Could someone please advise on a suitable replacement (or where I can source new) 3 x 20A mcbs
  8. M

    TT system eic minor point

    New circuits. Ra of 229 Ohms therefore the rcds are for fault protection by design. Zdb of 0.29 (10mm gas bond) so are the rcds classed as additional protection?
  9. M

    A 'drop everything and get here quickly' call

    This video was presented to me by a rather scared meter fitter It was a bit dark in the cupboard so he turned his phone camera on for a bit of light
  10. M

    How to upload a file

    I want to create a thread around a .mov file taken by a very scared meter fitter. It is 1.23 MB. I don't appear to be able to upload it in it's current format so would appreciate baby steps advice on how to go about this
  12. M

    overheard conversation re 3phase working

    3 people were discussing scheme membership and insurance and it sounded like eiher 'domestic installers,' or their insurance, does not cover work on 3 phase installations. Some 6 months ago I was informed that all WPD supplies to new properties are to be 3 phase and this is now what is being...
  13. M

    Accessory screw covers

    Anybody got any tips on how to remove the little plastic inserts that the likes of Click and BG supply to cover the screw heads on the front of their switches / sockets etc? I often use a bradawl but this always damages them and is fairly obvious when they are replaced. BG normally supply double...
  15. M

    So simple, so frustrating

    Does anybody know of a make of crocodile clip to fit on standard test leads (in my case Metrel) which do not leap off the terminal as soon as you a) look away or b) press the test button on the meter.
  16. M

    Web site / suppliers list of downlight hole cutout sizes

    Is there any resource anywhere or any point of reference where you can search for a downligt by hole cut-out size? Looking for non integrated gu10 fittings for existing 82mm holes. It takes forever going into the spec of each downlight
  18. M

    411.3.3 omitting an rcd

    Doing an EIC and just making sure that I understand this correctly. I have a domestic installation where I have run 2 x swa cables out to pumps. Pump 1 is purely for an emergency pump in the event that the area behind a protective bank should start to flood (where there is a septic tank). Pump...
  19. M

    Predictive text of the year?

    My offering, I thought I was replying 'No problem, should be with you before the end of the week', customer received 'No problem, should be with you before the end of the world'.
  20. M

    volt drop questions 20 characters

    A recent post made reference to the vd figures for a lightly loaded cable could be adjusted to reflect the fact that the cable was running nowhere near it's maximum ccc. Is there any basis for this in 7671? I think it may have been Ian 1981 who posted this in reply to a question. If it is known...
  22. M

    Can't go wrong, bargain

    NWS SIDE CUTTER , VDE 6 In 1 Cutter 190mm, + NWS WIRE STRIPPERS BARGAIN PRICE | eBay - http://www.ebay.co.uk/itm/NWS-SIDE-CUTTER-VDE-6-In-1-Cutter-190mm-NWS-WIRE-STRIPPERS-BARGAIN-PRICE/252783887393?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
  24. M

    Vivotek NR7401 Accessing

    Have a customer who has moved into a house that has a 4 camera cctv system controlled by the above unit. They have been left an old desktop pc running windows xp which, when it eventually boots up, gives access to a password protected screen fot the cctv. We have no means of discovering the...
  25. M

    In line fuse holder

    Got some coastal apartments which have a mixture of downlights, pendants and 5A round pin wall plugs all controlled by conventional light switches and everything is switch fed. OCPD is a B10 mcb which if I derated it to a B6, would still be over the 5A rating of the sockets and plugs. All the...
  26. M

    Contactor query

    Don't come accross these that often but today I have one that is buzzing a bit and is warm (compared to it's neighbouring mcb's) but not hot. It appears as though it is the control input that is causing the noise and heat as I am able to turn the loads off. It is a Hagar ES240. Does this need to...
  27. M

    GE RCD query

    Went to a property yesterday to do some odds and sods, replace the cu and do some remedials following a condition report customer obtained prior to purchasing the property. The cu is made by GE and was installed in 1997, half the board rcd protected and half not. One of the observations on the...
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