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Current carrying capacity of the wires inside a fluorescent batten with regard to LED tubes

psychicwarrior
Hello all - good afternoon !


As in the subject, can someone verify please what the current carrying capacity of the [thin] wires in a flourescent batten is ?


It is with regard to fitting an LED tube replacement where the [electronic] ballast has to be taken out of circuit; the wires from it to one of the tube mount ('tombstones' ?)  have to be cut and wired from the tube mount directly back to the 240V supply, according to most instructions.


I was curious about the wires with regard to doing this - it must be ok as this is the general instruction, but I was interested to know what they can carry.
  • 0
    Also, with the tubes that state 'remove the electronic ballast and supply mains power to one end' as an option... be aware that the other end of the tube is usually a dead short (in the case of the good manufacturers, via a fuse), so putting the correct tube in backward, can be... interesting.  I'd like to see a version specifically for 'no ballast' situations with an open circuit on the 'dead' end, but I suppose that would lead to issues if someone used it as a like for like replacement.
  • 0
    I posted this question on the 'Ask the Community' forum however I think that this thread addresses my thoughts at the end, should I just replace the complete fitting.

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    I have two 36W 1.2m Fluorescent tubes (with starters) lighting my workshop. After 8 years plus I feel that the light output is droping (It could also be my eyes getting older). I would like to replace them with LED tubes so I went to a local store for a look. They offered normal fluorescent tubes with a claimed light output of 3000ish Lumens and LED tubes with a claimed output of 1500ish Lumens. Are the LED tubes really that much dimmer or is it a measurement thing where the normal tubes are omnidirectional and the LED tubes only shine in one direction?

    Can anyone recomend particular brands or systems for replacement tubes or would I be better off replacing the complete fittings? Anything else I should know?

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    Best regards

    Roger
  • 0
    I've heard that a lot of the LED replacement bulbs use a series capacitor to drop the voltage by some amount or other are there any that use some other arrangement? Also do the LED tubes have a switch mode supply or a simple rectifier and a bit of smoothing? I'm not considering getting any here at Kelly towers I'm just curious at least partly from an RFI point of view

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