Mathew Newton wrote:
Following on from a recent thread (but not wanting to divert his
discussion away hence this new one) regarding the commonly known
de-rating of dimmers for use with halogen lamps can anyone tell me why
it is also neccessary to de-rate dimmer capacity for candle lamps
against GLS/reflectors?


As I understand it, candle bulbs are unusually prone to failing near
short circuit.
So, you want a higher rated dimmer to cope with the spike when they fail.