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  1. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    I'll take this into consideration. The fume extraction fan has been replaced by undersized one on a crumbly piece of plasterboard.
  2. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    Right okay, will have to ask landlord. Last time one of their electricians tried to repair a BS1361 fuse using a wire.
  3. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    I have one. Might get some 3-4 m long wire.
  4. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    LED lights.
  5. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

  6. DSC_0399.jpg

    DSC_0399.jpg

    • sysrq
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    • Category: Electrical Videos
  7. DSC_0397.jpg

    DSC_0397.jpg

    • sysrq
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    • Category: Electrical Videos
  8. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    Might be just an intricate set of circumstances.
  9. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    There is no heating in the kitchen, probably because of the cold weather and the switch is on the external wall close to the back doors.
  10. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    As far as I know cooker sockets are found only in the UK.
  11. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    It's a domestic one.
  12. S

    Electric shocks from a light switch in the kitchen due to humidity, condensation

    Considering upgrading to pull-cord or water resistant wall switch. Heard those European style switches are safer due to different design (better sealing due to bigger surface area of the rocker). The shock was felt stronger than ever before because of the humidity and water condensation on the...
  13. S

    A bit of a similar topic (Dahlander)

    In the center of a double star connection there is around 1.8-2 Amps current flowing and around 4 Amps are going trough the outgoing leads in high speed mode. Probably will have to measure the inductance someday.
  14. S

    A bit of a similar topic (Dahlander)

    There was a similar topic which sai Actually might be other way around. There was a similar topic on somewhere else which says that: ''The wiring could not be the cause, because in case of incorrect wiring the Amps would be much higher, even in both connections. High NLA indicates a very bad...
  15. S

    A bit of a similar topic (Dahlander)

    I have seen them on hydraulic pumps, horizontal band saws and some lathes.
  16. S

    A bit of a similar topic (Dahlander)

    Well, it's a Dahlander motor with DOL starter. I'm quite reluctant when it comes to measuring the insulation resistance, especially on old motors, so will have to wait til it burns out. These non-standard frame motors tend to burn out quite frequently on sharpeners for some odd reason.
  17. S

    A bit of a similar topic (Dahlander)

    Thank you for reply. Couldn't measure on the motor terminal box while the motor was moving (wasn't allowed to stop it cause the manager has too much work to do), inside the control panel everything measures as it should be- U1 V1 W1 shorted on high speed and ~230V across U1 V1 W1 on low speed...
  18. S

    A bit of a similar topic (Dahlander)

    4kW Dahlander motor on Göckel G2 sharpener draws too much current evenly across all of the phases at slow speed (14 Amps instead of 8.5), keeps tripping. On high speed 5 Amps only. Resistance between all of the windings is 4-6 Ohm's. Must be evenly shorted windings somewhere, or previous owner...
  19. S

    Sy cable question

    All I can say is that majority of electricians always forgot to connect the braid of SY cable to earth, so I always have to reconnect everything properly with ferules, especially on cee form commando plugs where the screws always crush the cable strands resulting in fires, damaged machinery due...
  20. S

    Ceramic bottle fuse holder, sudden short to DIN rail (earth)

    There is no VFD in this Vecoplan model since it's made in 1994. Contactors must withstand frequent reversals and stalled/locked motor conditions. When it's stalled then current goes above 40 Amps till the contactors got disconnected after 5-10 seconds. Then after a while (2-5 seconds) it...

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