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  1. S

    EICR remedial

    Why not either knock more rods in 2 reduce reading to less than 200 ohms,or pme the building if as you say the pipework is not extraneous. Regards sw
  2. S

    A little advice on these heat mats

    With these mats you would have to control the temp accurately or they have a short life.A digital control is better than a capillary stat and you may need a contactor if the load is too high. regards,sw
  3. S

    Old very conductive potting compound. What was this stuff?

    We used to use so called plastic compound,which was the same as the stuff in pyro ends.Have rubber gaskets been fitted to the box lids?Looks like water has found its way into the boxes. Regards,SW
  4. S

    12KW three phase immersion heater

    Would they not be 240v rated elements if connected in star? sv
  5. S

    Using tp&n isolators

    No problem as far as I know.Maybe a danger 230v sticker would help. S
  6. S

    Number of C3,s on a EICR

    I provided a mwc for all"C2" faults rectified as asked by the client.Just wondered how insurance companies view "C3",s left on a report.They are mainly lack of cct charts and schedules. Regards,SW
  7. S

    Number of C3,s on a EICR

    Been asked to do remedials on a condition report.Its a large tile warehouse with several 36way boards and was given an unsatisfactory result.There were no C1,s,but and about 6 C2,s,which I have rectified(wrong size mcb,s,holes in enclosures,no cpc to light switch).There remain about 9...
  8. S

    s plan with combi boiler

    Dave,Its a Baxi duotech,control terminals marked BK1 L in and BK2 L out.I can see your point about using internal boiler fuses for the external controls and may alter the wiring . Regards,S
  9. S

    s plan with combi boiler

    Dave, Do,nt understand that,as the signal to fire the boiler comes from the s plan valves opening,not from the room stat and boiler stat. Regards,S.
  10. S

    s plan with combi boiler

    Wired an s plan recently and used the orange from each honeywell to send a switched live back to the boiler,after removing the link.Is this the best practise way,or should the greys and oranges of the valves be bridged across the control terminals of the boiler,as voltage free contacts?Thanks...
  11. S

    NAPIT Certification Scheme napit

    It seems are lot of clients are specifying NIC only for their contracts,insurance work etc,so why do,nt Napit start inspecting commercial/industrial work on the annual visit,so they can claim their members are more than house bashers.Regards,Sinewove
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