Recent content by Strima

  1. Strima

    Supply to 3 phase DB tripped

    My moneys on a momentary mains fails with a surge on energisation.
  2. Strima

    TT supply with TNS sub mains

    So are the TN-S just distribution circuits? Sounds like all 15 units are relying upon one electrode for earthing.
  3. Strima

    External wire box

    That incoming cable looks like a BT 25 pair.
  4. Strima

    External wire box

    What’s written on the cover? BT and Virgin tend to put their names on things.
  5. Strima

    External wire box

    They look like data cables. The ones that have been cut of can be snipped out. But that could well be a BT multipair cable coming in so technically their property.
  6. Strima

    Recording SPD install on EIC

    There's a check box on the schedule of inspections regarding operation of SPDs.
  7. Strima

    Another coding question

    C2 if no signs of thermal damage etc. A couple of regs broken there but I don’t have my book to hand as I’m on holiday.
  8. Strima

    Recording SPD install on EIC

    IMHO if you provide OCPD for SPD then the usual test results are required as this would be classed as a new circuit. If no OCPD then only a mention of SPD on the description of works would suffice. If the SOD is a separate module then test results required for the cabling.
  9. Strima

    Concentric stranded cable????

    Could well be. Is this direct from the meter or sub main?
  10. Strima

    Anybody done the G39 course?

    Mine was two days and we covered a lot. Not just the usual safe isolation and access etc but I’m no a lot more informed about the HV network, cherry picker distances etc. We could have covered it a day but two days made for a very relaxed course with lots of good conversations and thoughts which...
  11. Strima

    Earth rod fluid

    Why so concerned about a label? If buried place a strip of electrical warning tape above it as recommended in several publications. If someone wants to cut a cable then a label won’t stop them.
  12. Strima

    Earth rod fluid

    At your point of connection like any other electrode. The only other way to interfere with the cable is to dig it up.
  13. Strima

    Anybody done the G39 course?

    I’ve done it and found it to be a very informative course, was a two day one organised by my previous employer. I'm on holiday at the moment so can’t check who the training provider was.
  14. Strima

    Earth rod fluid

    Label on the point of connection to the installation so at the earth terminal. You are installing an electrode, this could be a rod, tape, cable, steel reinforcement etc.
  15. Strima

    Earth rod fluid

    I’m not 100% but rather than use a rod you can pour 50% of the mix in a trench, strip back a couple of meters of 16mm and lay out on top of the mix then add the rest to fill the trench, ideal if no soft ground in the area as it can act as a path foundation etc.
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