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ballast

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  1. B

    Electronic ballast testing

    Can anyone help with me with regards to testing this electronic ballast, there’s 240v at terminals but I’m not sure how to see if the ballast is faulty. Thanks
  2. N

    Wiring a single ballast

    I am wanting to wire in a new single ballast. Unfortunately (as you will see from the photo) the old broken ballast does not have the contacts exposed. There are two pairs of wires (one pair for each end of the light tube) but I have no idea which of the numbered contacts (1,2,3,4) to use for...
  3. H

    120v 400w Metal Hallide HID Light running on 100v line?

    So I'm trying to run this 400w HID light in Japan (which has 100v output) but the ballast for the light is rated for 120v-240v. I want to know if the light will still operate, albeit at lower output, or if there is risk of damaging the light.
  4. J

    T5 ballast wiring

    Hi guys first time posting. I have a spare 28 watt 2 bulb T5 ballast. I purchased the wrong single bulb T5 fixture and cant return it as it was a clearance item. Can I take my spare double bulb ballast and somehow wire it for my single bulb fixture so instead of running at 28watts, it would run...
  5. V

    Choosing replacement ballast

    Hi all. I have two bathroom cabinets which each use two T2 15W fluorescent tubes. Each tube has its own ballast which are pretty expensive to replace and go about every 12 months. Just wondering what ballast would be able to replace both of these, or if anyone can give me some ballast calcs to...
  6. W

    Advice on ballast replacement please (T5 ring)

    I have two identical ceiling lights which use T5 fluorescent ring tubes (1 x 40w). Both tubes work OK in the working light so I tried swapping the ballasts which moved the fault so I'm assuming it's a faulty ballast. The working one is a 3AAA YZ-140EAA and I'm looking at a Osram QTP-M...
  7. I

    Burnt out ballast EICR Coding

    Scenario: Visibly burnt out, entirely blackened, ballast in a fluorescent fitting. Would this be noteworthy during an EICR and if so, how would it be coded? My thinking is that its an obvious fire risk. Still an apprentice with millions to learn, any input would be appreciated.
  8. S

    Choosing the correct ballast?

    I have a job to repair a light in office, 1200x600 grid tile fitting, I am under the impression it's the ballast that has gone, I couldn't get access to the fitting at the time but believe the lamps to T8 lamps 4x 30w (3ft) what ballast would I need for this??? Assuming it's the old magnetic...
  9. 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...
  10. L

    Emergency lighting fault

    Hi All, New to the forum and was seeking some advice. I have arrived at a site to complete yearly 3 hour emgencey lighting test. Once completed I switched the power back on and half the emergency lamps haven't turned back on. When you turn the power off, the lamp lights up in emergency mode...
  11. J

    Fixing ballast to fluorescent lighting

    Hi, BTW I'm not an electrician. Ive got 2 five ft luminaire lights with each holding 2 T8 tubes. The other night 2 tubes went out, I changed the tubes no joy. So I am thinking it must be the ballast. The ballast is this one 2 x 58W T8 High Frequency Ballast | CEF -...
  12. J

    Is it possible to power a single lamp from a double ballast?

    I need a ballast for a single lamp, but I only have access to a double ballast. Is it possible to use this to wire just one lamp?
  13. N

    Help with faulty fluorescent light.

    Hi guys, first post on here. I've recently fitted 4 new high frequency control gears into 4 old fittings. I've removed all the old gear out of the fitting with the exception of the lamp holders and fitted 4 new 70 watt twin electronic ballasts. Completed necessary wiring within the fitting, new...
  14. L

    Creating my own ballast for HPS Bulb

    Hi guys, I need some help, hopefully there are some professional guys over here to help me out. I got myself a choke, ignitor and a capacitor to make my own ballast for 400W HPS Bulb, but I ran into a wiring problem, I tried to wire these things together and it didn't work and I don't want to...
  15. C

    Dali ballast fittings

    Hey , Just aquick enquirey regarding Dali ballast fittings. Can the control wiring be removed ,then this inturn would return the fitting to a standard light fitting controlled via a switch or would the fitting become redundant ????
  16. albi

    Coding on eicr

    Hello every one not been for a while so my apologies. To my question I have rows of switch start fluro's all wired in T&E. The cable runs through the fitting bast the ballast with no heat protection, so am I right in saying it would be a code C3
  17. S

    Metal Halide/SON Ballast Bypass

    I've been asked to fit some LED replacement bulbs to some existing Metal Halide fittings. A bit of reading up has led me to believe I need to bypass the ballast in the fitting. Has anyone ever done this? Can you offer any guidance as I'm going in blind having never taken one of these light...
  18. A

    Converting Fluorescents into LEDs

    Has anyone had any experience with LED Fluorescent light fittings (strip lights). A customer of mine wants all of the lamps in her property replaced with LED ones. A few wholsalers seem to think you can just swap over the lamps and they will work without having to install new drivers etc. Is...
  19. P

    changing faulty arlen to new helvar ballast

    need to change faulty ballast to new helvar 58. not sure of connections as new unit has only four outlet connections don't want to be zapping anything? old unit (arlen 170) which btw was wrong unit has l.n.e. input and similar 4outlet terminals which feed each end of the fluro tube
  20. spud1

    Fault on three phase sports floodlighting

    Hi, I have a single fitting on a 3 gang, 3 phase floodlight over an astro-turf at a school that wont work. I have changed the 2kW MH lamp with no joy. Is there a safe way I can test the dedicated ballast and ignitor for correct operation? There is voltage on the incoming terminals on the...

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