ballast

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  1. T

    ballast

    Hi guys what is the difference between an electronic ballast and a standard ballast
  2. P

    Dim and dimmer

    Bit of an issue with some dimming controls. My company were asked to install some dimmable lights in a studio. This would of been straight forward until the main contractor wanting to speed up the job asked for the downlighting cutout size so they could prep for our arrival.. Turns out the...
    • Progressing
    • Thread
    • ballast dimmable dimmer really switch
    • Replies: 2
    • Forum: UK Electrical Forum
  3. R

    replacing a ballast

    Got a fair few fluorescents im maintaining. twin 70w. new starter and lamp didnt do the trick so im replacing the ballast, Iv got osram quicktronic 2x58-70 i understand the connection for the lamps. 21 and 22 to 1 end of tube1 25 and 26 to one end of tube 2. then 23 to other end of tube 1 and...
  4. C

    High Freq Ballast Lighting gone weird

    Was asked to look at a faulty light fitting in a shop - double high freq 80 watt fluorescent with klik plug. Power to ceiling rose - check New lamps - check Not working. Thought it must be the ballast, so replaced the old one. Still not working. Swapped in complete working light fitting -...
  5. F

    10kw Flat Roof Solutions with Low Ballast

    Can anyone recommend a good flat roof solution without penetrating the roof. I looked at renusol consoles today, however their wind load calculation suggested I needed a ballast of 320kg in each console bucket! This is for a building that is 30m in height, and in my opinion 44 panels with...
  6. i=p/u

    replacing ballast

    anyone ever installed these lights or replaced ballast...? 2 x 42 Watt Compact Flourescent Architechural High Bay
  7. i=p/u

    Ballast wiring???

    If you wire a ballast incorrectly , would it damage it? I got a 2x 42w ballast today and the numbers are different on this one. What does the wee star indicate on the Ballast wiring diagram? Any help need more info just ask thx.
  8. T

    24watt ballast running 28watt 2d lamp....

    recently finished a job but have had lots of light fittings failing. about 20no 2.d lights . theres been emails to and throw about it as usual.. so i met the rep from the company we got them through (who buy them in and stick there company logo on) and it was found the ballast was rated at...
  9. R

    Inverter Question Please - Runs 240v Ballast and 12v Fans

    Hi After a little advice please. I have an aquarium hood, which has (what i think is called) an inverter. Says 240v 50hz. This powers a small circuit board, which powered 2 240v electronic ballasts, which were dead. I fitted a twin ballast instead. Also runs some 12v LEDs, and 2 12v Fans. Its...
    • Rom
    • Thread
    • 12v 240v attach ballast circuit fans inverter please question
    • Replies: 3
    • Forum: UK Electrical Forum
  10. U

    New ballest not working correctly, need help xx

    Hi, I just bought a new ballest ( Tridonic Atco 2 x 39 Watt HO T5 Electronic Ballast - Part No. PC 2/39 T5 PRO ) for my fishtank light fluval Osaka edge 260, the old ballest seemed to be dead. I have wired the lamp holders correctly I think? But when I plug it in, the light just flickers on...
    • ufoblue84
    • Thread
    • ballast correctly electrical work imageshack lamps need help new not working wiring working
    • Replies: 7
    • Forum: UK Electrical Forum
  11. V

    New job NEED HELP

    Hi lads and ladies,I have been working for a firm now for three and a half years doing maintenance and last week I have been given a new job todo with in that role of serviceing lights for various different companies. The problem the company expect me to know everything with in this role ,the...
  12. 2

    Emergency Lighting Ballast conundrum

    Hi all, Have a faulty em. lighting ballast, whenever I fit a new battery pack to the ballast it puts the light out. Replaced a number of battery packs on like for like fittings and didn't encounter this problem. Went to order a new ballast and now boss is whinging about the cost. Any other...
  13. R

    Electronic Domestic Instant Start Ballast Keeps Blowing

    Hello. I'm no electrician (well, previously an auto-electrician but no expert on domestic electrics) and do have an electrician lined up to look into this problem next Week but would like to present the problem here for the sake of interest and for gaining some knowledge as to possible causes...
    • RS2OOO
    • Thread
    • ballast ballasts blowing domestic electrician electronic fitting instant keeps light start
    • Replies: 17
    • Forum: UK Electrical Forum
  14. S

    Flat roof job

    Nothing for months then this... any ideas welcome Client has a large flat roof up about 10M it's got loads roof lights and a lift overrun area. If the panels are laid flat (not tilted) they can be laid next to each other and I can get the required number of panels installed. What sort of...
  15. C

    Ballast problem

    Hi guys Been working on sorting a non working 70watt son bollard light in a courtyard. 230v into ballast but nothing out so I replaced ballast like for like and tried but it blew trip and fried the ballast! Not sure how it managed this but I think now I'd be as easy replacing the geartray...
  16. N

    Time to get the megger out!

    Had a problem on a workshop lighting circuit at my new firm. I am the only electrician there so i can't bounce off anyone. The circuit is fed from a 32 way square D consumer unit and has roughly 10/12 double fluorescent tube fittings on the 10a type C breaker. The breaker is is feeding a...
  17. C

    connecting an emergency inverter unit with a switch start ballast

    Hi all, was wondering if anyone could shed any light on connecting an emergency inverter unit to a switch start ballast/starter arrangement. Its on a 1x18w pl light fitting. I understand all the connections bar the four at the bottom saying "to mains control gear". Would anyone have any wiring...
    • connordev
    • Thread
    • anyone ballast connecting emergency inverter light start switch unit
    • Replies: 1
    • Forum: UK Electrical Forum
  18. C

    Metal Halide ballast and bulbs

    Hi I have been given a 1000w HPS/Metal Halide ballast with and e40 fitting. Can i use any 1000w metal halide e40 bulb or does it really have to match the ballast in more ways than the wattage. Does a digital ballast make any difference? For instance I am using it for screen printing exposure...
  19. C

    Metal halide fault 2000w!

    I have 4 independently switched 2000w metal halide fitting on a golf driving range. They all start up ok but after 2 mins or so they will start cycling on and off randomly! I'm getting consistent mains voltage (240) into the transformer and consistent voltage out of the transformer (400v...
    • coxy84
    • Thread
    • aus ballast fault lamps metal start voltage
    • Replies: 10
    • Forum: Australia
  20. O

    Ballast Calcs - flat roof array frames

    Sorry if this is out of place here... But any advice from real world experience would help. Rather than designing PV system using off the shelf mounting systems like Consoles for example where the ballast requirements can easly be ascertained from the installation manual, I'd like to explore...

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