lilman
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- Jun 17, 2008
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Replaced a distribution board today - including 4 fluorescent lighting circuits on RCBOs (30mA/6A/type C). For some reason one of the RCBOs will only latch with the lights on; it then operates fine - tests OK (did try another also just to be certain). Also noticed that when the test button on a neighbouring RCBO was pressed it occasionally trips this one. What's occurring - any ideas?