fluorescent

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  1. J

    Broken Fluorescent Ballast - no longer available - options?

    I have a bathroom mirror with 2 x 21W fluorescent T5 tubes and an IR sensor. The tubes switch off after a few minutes. I have changed the tubes and the fault persisted. I checked the output from the IR switch and it was 240V so that leaves the ballast as faulty. The problem is the ballast is...
    • jazzlover
    • Thread
    • available ballast broken fluorescent fluorescent lights led tube longer options
    • Replies: 18
    • Forum: UK Electrical Forum
  2. J

    Bathroom Mirror with fluorescent tubes turning off at random times

    Hi, I have a bathroom mirror fitted in 2013 with 2 fluorescent tubes and a pir sensor to operate. Its been working without any issues until a couple of days ago. Now when I turn the light on by passing a hand under the sensor the light will then go off after anything from a minute to 10...
    • jazzlover
    • Thread
    • bathroom fluorescent mirror off pir random times tubes turning
    • Replies: 5
    • Forum: Lighting Forum
  3. S

    Fluorescent lamp rating confusion

    Hi, I was replacing a G24D-3 fluorescent lamp in an outdoor light, and a label on the light fitting stated the lamp type was a 26W G24D-3 lamp, however I noticed the ballast had 18W written on it for the lamp wattage. The lamp fitted was a 26W one, and the replacement I was going to fit is a 26W...
  4. Z

    Fluorescent light fittings earth leakage

    Hi everyone, I have measured an earth leakage on twin Flo light fittings (2x58W fittings) in open plan office. Office has 18x twin Flo light fittings which are divided into 3 separate circuits, and 3x (10A) RCBOs for each circuit. I have reading of 3mA at each light fitting. 2x circuits are...
    • zolee
    • Thread
    • earth earth leakage fittings fluorescent leakage light light fittings
    • Replies: 7
    • Forum: Electrician Forum
  5. B

    T12 fluorescent to LED conversion help

    Looking for help converting T12 fluorescents to LED. Have a bunch of these in my basement and wanted to confirm the correct type of LED tube to get - single or double ended. Each fixture has 4 of the 4 ft T12s and 2 ballasts. Hopefully the pictures help. 1595423521 My preference is to remove...
    • bgalizio
    • Thread
    • conversion fluorescent led screwfix
    • Replies: 7
    • Forum: UK Electrical Forum
  6. K

    fluorescent bulb size

    I have a bulb that is over 20 years old and has started to flicker. I've replaced the starter switch but the bulb continues to flicker. I'm going to buy a new bulb but the size seems odd. It is 34mm in diameter and the pins are 12mm apart. A T8 seems too narrow and a T12 too wide. Grateful for...
    • keith2511
    • Thread
    • bulb fluorescent size
    • Replies: 4
    • Forum: Lighting Forum
  7. E

    Insulation resistance check on LED fittings

    Hi, Do I need to disconnect LED fluorescent fittings when doing an insulation resistance check? Thanks
    • Everzy28
    • Thread
    • check disconnect doing fittings fluorescent insulation insulation resistance led resistance
    • Replies: 2
    • Forum: Lighting Forum
  8. littlespark

    Looks like a fluorescent, acts like a fluorescent.....

    ..... but where is the control gear? looking at the age of the fitting, the choke must be massive, but can’t figure out where it is? In between the ceiling and upper floor?? it’ll be coming down at some time, I was only in pricing the job.
  9. R

    Fluorescent lamps flickering after installing new dimmer switch.

    As the title says today I replaced a simple 1 way 2 gang switch with a a 1 way 2 gang dimmer switch. The first switch controls 2 ceiling lights with gu10 fittings which dim fine. The second switch controls under cupboard lights which are fluorescent lamps, they originally come on and work...
    • roscomcl
    • Thread
    • after dimmer dimmer switch flickering fluorescent installing lamps new switch
    • Replies: 7
    • Forum: Lighting Forum
  10. C

    Fluorescent to LED conversion tombstone removal

    I have about 30 4 bulb 4ft shop lights that I want to convert from fluorescent to LED. I need to swap the tombstones from shunted to unshunted on one side to do this. I can’t for the life of me figure out how to remove the metal tab that the tombstones anchor in to. There are no tabs on it to...
    • CollabRick
    • Thread
    • conversion fluorescent led removal
    • Replies: 13
    • Forum: USA Electrical Forum
  11. J

    All-Pro Dusk to Dawn 110 deg. Fluorescent Bronze Walk Light Fixture Hardwired

    I had the All Pro dusk to dawn installed in 2015..the light bulb burned out last week. The electrician replaced the fluorescent bulb. That night it did not light although they checked the bulb earlier it worked. I read where you might have to reset breaker so I did and the light worked two...
    • jackRoark
    • Thread
    • dusk fixture fluorescent light screwfix
    • Replies: 2
    • Forum: UK Electrical Forum
  12. M

    How to connect fluorescent lights?

    All fluorescent lights in this house (230V) are connected "1 switch - 1 light". So I have no where to get inspiration how to connect second fluorescent light. Could I do this?
    • meisy#
    • Thread
    • connect fluorescent fluorescent lights how to lights not uk
    • Replies: 7
    • Forum: UK Electrical Forum
  13. A

    3 pin cable for fluorescent fitting

    Hi Does anyone know the name of this 3 pin connection and where I can find one. It’s for a t5 fluorescent fitting but can’t seem to find the cable anywhere online. Thanks
  14. N

    Fluorescent tubes for older fittings

    Although I am C & G qualified and fully trained as a spark I am donkeys years out of date and wish to ask this question. "I have a two 4 foot 40 watt fluorescent fittings in my kitchen which now need new tubes. There appears to have been changes in the size of tubes with which I am unfamilier...
    • Norman Hadfield
    • Thread
    • fittings fluorescent older tubes
    • Replies: 15
    • Forum: Lighting Forum
  15. E

    Fluorescent to LED replacement tubes

    Got a few 4'(1200mm) fluorescent tubes with ballast and starters. Although the lumen will be lower using LED, I assume the ballast and starter is by-passed. Also assume to use the SMD range of LED tubes. thanks
  16. G

    Odd fluorescent tube goings on.

    Had an interesting situation today. Playing about putting new tubes and starters in four fittings, found one pair of tubes where when new tubes and starters fitted the tubes didn't come on. When I put the old starters back in with the new tubes they came on. All tubes and starters were...
  17. V

    Earthing a T5 Fluorescent Fitting

    I have a row of fluorescent fittings under the kitchen wall cupboards - all fed from a fused spur at one end. One of the fittings (near the end of the run) has failed and I've bought a replacement but unlike the existing fittings, the replacement requires an earth connection. The existing...
  18. M

    Fluorescent lamp Ballast testing

    Hi All new here looking for your advice. i have a fluorescent tube fitted in my kitchen which is no longer working. Changed bulb checked trips etc, all fine. only thing I can think of is the ballast has failed. I do have a multimeter but wanted to ask how I go about testing the ballast using...
    • mathsisfun
    • Thread
    • ballast fluorescent lamp testing
    • Replies: 5
    • Forum: UK Electrical Forum
  19. F

    Lux levels for fluorescent light fitting in test mode

    As the title says. I'm looking for some data so that I can calculate lux levels from a 58w fluorescent batten fitting in test mode (working off of battery). I have looked on Thorn's website but all I can find is data for normal operation (not in test). Any help would be much appreciated.
    • FSU
    • Thread
    • fitting fluorescent levels light test
    • Replies: 5
    • Forum: Lighting Forum
  20. marconi

    Fluorescent lighting troubleshooting guide

    In the course of working on a problem on the EF to do with a strobing fluorescent light fitting I have been researching this type of lighting technology and how it becomes faulty or fails. I came across what I think is a very useful troubleshooting guide which others may want to have handy...

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