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

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.
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  • I'd agree that 0.5mm² (1/0.8mm dia) is commonly used - normally with heat resisting insulation.


    Current carrying wise in normal service it'll be fine. For fault currents it's probably not so (especially where the fitting doesn't include its own local fuse) - but then you'd probably be expected to replace the entire fitting anyway if it ever did go "bang" - so the internal wiring being a write-off isn't really of any consequence.


       - Andy.
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  • I'd agree that 0.5mm² (1/0.8mm dia) is commonly used - normally with heat resisting insulation.


    Current carrying wise in normal service it'll be fine. For fault currents it's probably not so (especially where the fitting doesn't include its own local fuse) - but then you'd probably be expected to replace the entire fitting anyway if it ever did go "bang" - so the internal wiring being a write-off isn't really of any consequence.


       - Andy.
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