I am glad to see this discussion as well...my Quincy manual shows the following:
5W for sub-zero F
10W for 0-32
20W for 32-80
30W for 60-104
It also has a note that the selected lubricant must have a pour point at least 15 deg F lower than the minimum expected ambient temp...which covers most...
Anyone have any knowledge of Lawco Inc electric pipe threaders? I ended up with one, but have no dies for it and would like to acquire some. They were out of Hutchinson KS from the markings. No information to be found via Google. Will add photos tonight.
Remove the cover from the fixture and see what the ballast shows. Most show the range of lamps they were designed run. If not, go the the ballast manufacturer's website and find their specs on your ballast (search by model number). In the event their website does not tell you what you need to...
The sound rating on a ballast is an indicator of the ballast noise (audible hum), and has nothing to do with RFI. It does show that it is an "outdoor" type ballast and was likely made with little consideration to RFI reduction...
The most cost effective way would probably be to get several cheap fluorescent shop lights from Wal-Mart, Home Depot, etc. Something with two 32watt T8 lamps in it, that is the most common setup. If you want/need the lights to turn on below freezing you'll likely have to spend more money and...