Weird design, it has a fat neck with a groove between neck and reflector portions. Later ones have a thinner neck that did away with the groove. This is NOS from 1990, it was thrown away in a trash can and I rescued it!
Philips offered them until the end of 2007. For 2008 the screwy wattage requirements for reflector lamps took effect which required R-20s to be 45w or less. Rather than making a 45w Spotline, it was dropped from the line and Philips just sources in ordinary R-20s from China.
Remember I got a bunch of half pipers a month ago? One of the reasons, I was told, that they came down because California regulations prohibits keeping T-12s and magnetic ballasts in use when buildings are remodeled. There are still many T-12s in locally owned businesses but are slowly being changed to T-8. In Florida, all stores except chains have T-12s.
Why California didn't ban mercury lamps is beyond me. Still, basically all of CA is HPS as it has been for the past 30 years. Old incandescent and mercury lights are mostly found in cities that have their own utilities or their own street lighting systems. Also, about a third of the porch lights lit up at night have CFLs.
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