Discuss Excessive??? Compact fluorescents failing. in the UK Electrical Forum area at ElectriciansForums.net
This lamp type does not like high switching cycles. Increasing the timer period on the pirs might reduce lamp failure rates.
Thought of it but the ballasts are non dimable.Sounds like the switching could be burning the cathodes out, look at fitting PIRs that dim the lights to a low level rather than switching them off completly.
The leds are going to be a difficult sell on energy saving grounds alone, because the tl5cs are fairly efficient at 3300 lumens/40W but that said none of them apart from the new ones will be producing anything like that. Leds would however maintain their output for longer and be instant on compared to the relatively slow warm-up times of the cfls.Thought of it but the ballasts are non dimable.
The cost of replacing ballasts, then PIRs is not far off new LED panels.
The leds are going to be a difficult sell on energy saving grounds alone, because the tl5cs are fairly efficient at 3300 lumens/40W but that said none of them apart from the new ones will be producing anything like that. Leds would however maintain their output for longer and be instant on compared to the relatively slow warm-up times of the cfls.
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