tubes | Page 3

tubes

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  1. F

    Parallel wiring Fluorescent tubes basics.

    Hi all, I'm trying to build a wall of 6ft fluorescent tubes, creating an effect similar to this: http://herbertfoundation.org/media/img/xl/159_436rm.jpg I'm looking for a way of achieving this effect, spending as little as possible as I can't afford fabrication. I've been considering buying...
  2. R

    Flourescent tubes in cold weather.

    I need to replace some flourescent tubes in my workshop. They are F100W/35 with 1/2" distance between c-c of pins. These old tubes are not the best in cold weather and take a while to start. I'm wondering if new tubes of the same type will be better or should I change to something like T8...
  3. N

    LED vs Fluorescent

    Hi all, I have been asked by a local community centre for some advice changing some faulty 6ft strip lights to LED. As far as I can see 6ft LED tubes are Twice as expensive as replacing a ballast and tube but half the wattage (i.e. half the running costs). does anyone have any experience with...
  4. B

    4 foot LED tubes for sale. UK made, surplus stock

    Hi, got about 20 surplus led tubes for sell on if anyone is interested. i can post them out ordrop them of between preston and liverpool / surrounding. paid full whack for them but cant return them. listed on ebay but offers welcome. day white 16 Watt LED T8 tubes 16Watt UK...
  5. P

    Dimmable LED Tubes (T8) and retrofitting

    Hi, does anyone know a reliable LED T8 Tube for replacing 1800 T8 fluorescents? I found these- are they any good? not done them before so thought i'd ask someone on here how to go about installing the tubes? I need to install a decent dimmer switch was thinking MK logic plus.
  6. T

    Led T8 tubes

    Hi guys, Ive got some left over T8 led tubes from a job, changes were made and they decided to have down lights instead, but i had already ordered the tubes (doh). They have been sitting in the garage for ages now, so i thought id see if anyone was interested before they go on ebay. They are...
  7. M

    LED TUBES REPLACING NORMAL 6ft T8 HF .....HEADACHE not working

    Hi All, My client has asked me to replace some regular T8 flourescent 6ft tubes with new leds. We put them in like for like but nit coming on. When I mentioned to the wholesaler who supplied the tubes, they said I might need to recon figure the wiring in the fittings. Can anyone shed any...
  8. S

    Led tubes help

    Took down a 6 ft light fitting and replaced it with a 5ft LED twin fitting, I had to change the MCB from a 6a to a 10a MCB because the 6a keeps tripping off, Is there a big start up current on LED tubes?
  9. U

    LED fluorescent replacement tubes

    I have a customer who is trying to reduce his electricity bills at his shop, lighting is the biggest load with multi tube fluorescent fittings in the main shop area I have been looking at the possibility of replacing the fluorescent tubes with LED tube replacements but have some doubts not...
  10. S

    LED Tubes is there a standrad wiring format?

    I'm working through converting flourescent fittings for LED tubes. A few have already been done previously, ballast and starter removed (used as a fuse holder instead) and P&N to one end only. The diagram with the tubes I have say P at one end and N at the other. I've been trying to get some...
  11. G

    Lumens per circuit watt? As per Architects!!

    Been pricing up a veterinary practice the lighting as per the specs and drawings state: "Lighting - To achieve an average efficacy of 85 lumens/ circuit watt using T5 fluoresecents with high frequency ballasts." And thats it. Cracked out the newlec catalogue and the LEF figures for t5 lamps...
  12. F

    led problems

    been replacing 35w flurocents 4ft to led type been in bout 2 - 3 months and now tubes are burning out so stripped down to investigate the driver is 75v dc but have gone faulty as the out put dc voltage is 300v hence why the tubes are burning out has anyone had or herd of similar problems
  13. jason121

    Solar Thermal

    Is solar thermal a waste of money ? Just been doing some calculations regarding 1 x Evacuated tube collector 15 tubes and twin coil tank 180l with 96l solar storage connected to gas boiler 104m2 bungalow South facing. Savings made £27 per year approx install cost £3300.00 payback 122 years ??????
  14. S

    retrofit LED lighting into T8

    Hi, Does anyone have a diagram for a typical 600x600 4 lamp modular fitting and how this is best modified to take LED lamps. For a ballast fitting it seems usual that two lamps are paired using 1 ballast and a choke and then a capacitor is common to all. Obviously the ballast is bypassed and...
  15. W

    Testing Flourescent Tubes and Starters

    Apart from starting with a working 2' T18 batten fitting and substituting the tubes and the starters are there any other ways to test these quickly. Currently I have removed 86 tubes and starters from the 2 by 2 T18 fittings ( 4 Tubes, 4 starters only 2 chokes )!! As these are about 6 years...
  16. R

    Price increase in Fluorescent Tubes

    Only just realised how much Fluorescent tubes have increased in price. Not long ago 4ft tubes cost me around 79p each, they're well over £2 now. Does anyone know how much more these prices are likely to increase in the next year or so??, I read that it was all down to a shortage/price increase...
  17. V

    meat display lighting tubes

    hi all im after some meat display tubes 2 5ft- 1 3ft -1 2ft and so far the best price i can get is £60. i think this is alot! anyone direct me to a more realistic cost. ta all vitoboy
  18. D

    22 watt LED tubes, emergency battery backup maintained

    Hi Does anyone know if battery backup packs are made for 22 watt LED tubes at all Many thanks Dave
  19. C

    Roof Tubes

    I have an alluminium roof tube, 100mm diameter 3m long with lockable end needs brackets but easy to make, £25.00 collection only, Grays Essex. Also have another the same size made from plastic down pipe with a screw on end its a bit shabby but does the job, free to anyone who wants to collect.
  20. F

    BOTT Van Racking - KRS Roof Bars - Pipe Tubes etc

    Following the sad demise of my late Vivaro i have all the racking available as i'm going to be heading in a different direction racking wise for my next van. Basically its a 'modified' Ex-BT BOTT setup. With internal ladder rack, storage boxes, shelving, safe etc. The Roof Bars are the full...

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