ballasts

  1. D

    Electronic Ballasts

    any body know where i can get the tool to release the cable from them spring loaded push fitting things on ballasts... currently using a small terminal type device and a paper clip..! must be a tool out there but i cant find it!
  2. C

    Voltage spike

    Hi Can anyone tell me whether a normal rail mounted lighting contactor can cause voltage spikes?We have replaced 4 emergency gear trays on a site in the last week, 2 of them have only lasted 24hrs!!!The new fittings have electronic ballasts.....just trying to find out what's going on!!!!!Have...
  3. D

    switching ballasts

    can someone clear this up for me? is switching electronic ballasts more severe on contacts than switching magnetic? and also according to this spec Steinel it can switch 8 electronic ballasts max or 500watt of standard(low-frequency with cap) fluorescent lighting do i have that right ?for...
  4. B

    Periodic inspection (EIC) report questions

    Hi all During r1 r2, ELI and PFC tests of a lighting circuit would it be a problem to leave lamps and ballasts etc in GN3 shows them out but I can't see a problem
  5. S

    ballasts vs emergency lighting module

    Hi, I have some 4 pin 28w 2d emergency fittings that are not working properly, consisting of electronic ballast and then em module. Is there any way of detecting which unit is faulty as with the light operating ok in normal mode,I changed the module first as the fitting wasn't operating on...
  6. Amp David

    fluorescent lighting installation

    Had a look at a job earlier which is to replace 9 6ft twin fluorescent fittings in a small warehouse. At the moment there is nearly 20 single 5 ft fittings, all fed from 1 32 amp MCB:eek: and on 3 switches. All cabling is in 1.5mm t+e believe it or not:rolleyes: run on some cable ladder that...
  7. S

    ballasts

    Hi How do i test a ballasts output is correct, the fittings lamp is ok and it is not a supply problem. regards mark
  8. C

    buzzing ballasts

    weve fitted in excess of 200 catII twin fittings. 3 of them are making a horrendous buzzing, ive checked all connections at the light and on the circuit but to no avail. apart from changing the ballast does anyone have any advice please? regards
  9. L

    dimming ballasts

    Does anyone know if its possible to find 12V dc dimming ballasts for T12 or T8 tubes. All advice would be very gratefully received. Thanks
  10. K

    Lighting Ballasts and Minor Works

    Hi, My name is KevBaldry and I'm new to this forum so please excuse me if this has been asked before. As a qualified electrician, if I change a ballast in a luminaire am I required to fill in a minor works certificate. Is this situation any different to swapping the luminaire? Kev
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