I have a few fixtures (all recessed low voltage halogen MR16 bulb) that are humming. I know the ones with cheap transformers are susceptible to hum when dimmed, but mine seem to do it under full ...

I just got the latest Hifi News magazine and, as usual, the same ridiculously expensive mains cables etc are being pimped. I usually just skim over that crap, after admiring how pretty it is, but this ...