On Wed, 5 Mar 2014 17:29:19 -0800 (PST), "
wrote:

For one thing, there should be a standard where they are
rated as to how fast they get up to say 50%, 70% of full
output.


....and if they work upside down, like is a ceramic fixture in a garage
ceiling. Mine failed. Okay in a horizontal position like a GDO.