Recent content by jackhammerJIM

  1. jackhammerJIM

    Solar Schletter klick top attachment ,

    does anyone have 70 of these left over we can buy . been waiting months for them to arrive and the new delivery date has today been cancelled. any help would be appreciated
  2. jackhammerJIM

    Solar installation - DNO limit

    How much are getting to export ? 5p per kw ?
  3. jackhammerJIM

    Mobile Unit (Bar) Safe for TNCS with a PEN fault detector?

    Yes a PEN fault detector can be used
  4. jackhammerJIM

    Underfloor heating pump

    If there are 2 pumps on the system a contactor/relay should be used ,
  5. jackhammerJIM

    Underfloor heating pump

    If the valve fails to open say goodbye to the pump
  6. jackhammerJIM

    oil fuel AGA cooker feeding unvented cyclinder gravity fed

    Hello lads . Not seen the job but my old buddy the plumber has informed me today he has replaced an old cylinder with an unvented . Alarm bells are ringing im going to ring the cylinder manufacturer on monday to clarify a few things but im concerned about achieving positive shut off . I...
  7. jackhammerJIM

    Greatest Electrical Game Changers

    DownLights with push fit terminaLs RJ45 pass through 54v cordLess sds risk assesments and method statements The L on my keyboard no Longer works it is boody annoying
  8. jackhammerJIM

    MCS

    Thank you for the response had a call back from stroma today confirming the same .
  9. jackhammerJIM

    MCS

    Can anyone tell me if being MCS accredited is a requirement for the installation of commercial solar . I have a few commercial customers possibly wanting a system installed . Large systems requiring G99 relays , I have installed and commissioned around 400 kw of pv subcontracting during the...
  10. jackhammerJIM

    Conductor Short Circuit Temprature

    how exactly have you measured 100,000 amps of fault current ? Do you mean 10ka ?
  11. jackhammerJIM

    Commercial garage design

    Yes in a TN system Neutral and earth are at the same potential . In a TT system potential exists between neutral and earth . Regarding the other problem Can the electric board convert the earthing system ? Install enough rods to reach a sub 1 ohm value . RCBOS on all final circuits
  12. jackhammerJIM

    EV Charger

    Rolec make one i think they are around £110 plus vat . Comes in a 4 way db with 40amp rcbo included . Also the zappi chargers have them inbuilt as standard and im sure a few other makes also .
  13. jackhammerJIM

    HELP! EICR advice please

    The amount of mistakes on the report brings the testers competency into dispute . I would get it retested by someone on this forum and refuse to pay the bill for the original EICR . 90 % sure it would be a satisfactory report if i had carried out the EICR .
  14. jackhammerJIM

    EV Charger

    Next time you look at an EV job if rodding is going to be a nightmare order a PEN fault relay and you wont have to use an earth rod .
  15. jackhammerJIM

    EV Charger

    I would not be happy with that reading . You should be attempting to get the reading as low as possible within a budget . This week we installed a similar setup with a 5/8s rod achieving 40 ohms . Last week we used 2 and got down to 20 ohms . Considering a rod and clamp is around £15 its hardly...

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