Prometheus wrote:
Are they hanging on chains or mounted to the ceiling? I've got some
of each, and I found that the ones on chains hum a whole lot more than
the ones attached to something solid.


Mine are hanging on chains. They only hum when they're first turned on and
continue to hum for a while if it's really cold out there. Once they've warmed
up, the hum goes away. Truthfully, I'm only aware of the hum when I first turn
them on in the winter months.

Trust me, my lights are as cheap as they come: double four foot fixtures for
about $7.50 each. Plenty bright if you get enough of them.



--
Mortimer Schnerd, RN


http://www.mortimerschnerd.com