I wonder if there were any manufacturers who made 208V only mercury vapor series choke ballasts for the North American for the lamps listed below that only had two wire connections and were wired in series with the lamp.
Here are the mercury vapor lamps that should be okay running on such ballasts:
40W H45 50W H46 75W H43 100W H38 175W H39 250W H37 400W H33 1000W H34
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.