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  1. S

    WHY ISNT THERE A NEUTRAL WIRE IN THREE PHASE

    Are you talking about the primary side of the transformer
  2. S

    Simplified S-Plan and Y-Plan Wiring diagrams

    Don't forget John Ward has provided two methods for S plan (2 Port Valve) and Y Plan (3 port Valve).
  3. S

    Why would a LAP Voltage Detector be showing live current in this situation?

    Try and turn off the main switch to the distribution board and see if you still get a red light flashing,i have cases where the mcb had stayed closed even you have turned off the mcb.
  4. S

    Motor VSD problem

    I have problems with VSD before and I found that the cooling fan had failed causing the VSD to shutdown.
  5. S

    Socket showing live on both ring mcb’s ?

    It looks like the two ring circuits are crossed with one another,and the person who installed the rings did not verify ring continuity.
  6. S

    Is this allowed as i could not find an answer in the wiring regs.

    You can buy 5 core armoured also,very expensive.
  7. S

    UK Regs .?

    The spec normally come from utility supplier,they should have given you a drawing.
  8. S

    Does any old wiring contain asbestos?

    I have been an electrician for 40 years and I have not found any asbestos in any type of cables, where there will be asbestos will be within the rewireable fuse holders.
  9. S

    UK Does this wiring look ok?

    Has this circuit been isolated?
  10. S

    No CPC in lighting circuits / Fire damage

    The regulation goes back to 12th edition where by every electrical point should have a earth connection cable regardless if the enclosure is metal or plastic,the regulation says that the connection should be mechanically and electricly connected at all points.
  11. S

    Basic security light wiring advice

    Some pir light fittings require a switch line so that the light can be permanently switch on.
  12. S

    Fire alarm installer not providing full commissioning documentation

    Within the electrician quote does it state that a commissioning cert will be issued on works completion. 1582174115 Within the electrician quote does it state that a commissioning cert will be issued on works completion. Source URL: Fire alarm installer not providing full commissioning...

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