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  1. Strima

    Anyone else bother double-certing?

    If I'm doing a board swap I will only supply an EIC. If they want an EICR they can pay full whack for it.
  2. Strima

    Maximum ZS exceeded on RCBO

    Was it tested using the no trip setting on the meter?
  3. Strima

    Safety of Using Adiabatic Method?

    Normally the on site generators are short term, I know data centres work on a four hour window. If the outage exceeds this then external generators are brought in, these plug into the site generator point which would then be running the essential circuits as I mentioned earlier. As Lucien...
  4. Strima

    Safety of Using Adiabatic Method?

    Most back up supplies that are brought in are normally only for essential circuits, such as Supermarkets should only have support for fridge's and freezers, basic lighting circuits etc. These curcuits should be designed to accommodate this. Data centres tend to use a UPS to support essential...
  5. Strima

    Incoming tails problem, loss of power in apartment

    Did the meter monkey get the cables in the clamps and tighten them up?
  6. Strima

    Incoming tails problem, loss of power in apartment

    The customer should have the meter serial number on their suppliers bill.
  7. Strima

    Change Power Tools

    I like the Dewalt range, I have both 10.8 and 18 volt kits but I have used the Flexvolt 54 kit and it is just as good as mains powered. My SDS is the DCH253 and I find it light enough and powerful enough to bang holes in pretty much anything, as mentioned bit selection is key. I tend to use...
  8. Strima

    Maximum ZS exceeded on RCBO

    Was the Zs measured or calculated? Was it tested using a no trip setting? Any dead test results (R1+R2)? What's the Ze? PFC? Did you do a Zn measurement?
  9. Strima

    Lighting help

    What trips? MCB or RCD?
  10. Strima

    TPN Armoured Install Customer does not wantto bury the cable

    Additional protection is a maximum of 30mA. Take a look at 411 and 522.6 (522.6.204).
  11. Strima

    TPN Armoured Install Customer does not wantto bury the cable

    Why do you need an RCD to protect the SWA? What’s the earthing arrangement? withe the cable laid alongside some steps no doubt someone may try to used it a steady themselves at some point. Ideally it would be better buried but is the another option for the cable run, along a fence line for example?
  12. Strima

    Main Ring / Cooker Ring Trip RCD

    Is this an actual electrician or a kitchen fitter who does wiring? At the initial planning stage was any mention made of the consumer unit being upgraded? without knowing what testing has been done and any test results it’s hard to say what is causing the problem. I reflect the above comments...
  13. Strima

    Supplier earth terminal on intake

    But that makes sense and would cost a couple of pence, not going to happen.
  14. Strima

    EICR coding check?

    The CPC needs reinstating.
  15. Strima

    EICR coding check?

    With a discontinuous CPC someone could connect a class 1 accessory and consider it safely earthed as they would nice that nice bit of bare copper there. Also a fault on the circuit could make exposed conductive parts live and not necessarily in the same room as the fault.
  16. Strima

    Side Cutters or cable Shears

    Looking at some installations I think they’ve used a starved rat.
  17. Strima

    EICR coding check?

    You said CPC at DB and various parts of the circuit. This would be discontinuous and a C2 If there was no CPC and class 2 accessories then C3, class 1 accessories would be a C2.
  18. Strima

    EICR coding check?

    As no have no CPC continuity it would be a C2 regardless of accessories.
  19. Strima

    Mains operated interconnected smoke alarm

    You would need to buy the radio link bases with those. I’ve used them in the past and they’re very easy to instal and set up. Where possible take the supply from the nearest light fitting, read the manufacturers instructions but generally they should be placed more than 300mm from any other...
  20. Strima

    Other trades....

    Common bodgery by TV installers. I've found figure 8 leads jointed with choc blocks and just stuffed in the wall more than once.

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