ByL H-40 Street Light 250W High Pressure Sodium Replacement. @THEBULBHOME
ByL H-40 Street Light 250W High Pressure Sodium Replacement.  @THEBULBHOME
Uploaded January 2013 | Updated September 2026, 1 hour ago
This lamp used to be Metal Halide, but the ballast burned out and i had to replace, so I decided to replace whit an old Osram-Sylavania HPS 250W bulb.
ByL H-40 Street Light 250W High Pressure Sodium Replacement.Old ByL H-6 Clear Mercury Vapor Fixtures.General Electric 250W Coated Mercury Vapor Bulb.Killing a Philips 39W T12 SlimLine with a 32W T8/T12 SlimLine Electronic Ballast.Homemade 100W High Pressure Sodium Fixture.Really loud and noisy old fluorescent preheat fixture from 1967!132kV Old High Tension Power Lines.Old 2x21 21W SlimLine T12 Fluorescent Fixture.Crazy Old 3HP Vacuum Cleaner Motor.(1/2: Intro) Westinghouse 400W Mercury Vapor Coated Cleartopper Bulb.MAGG 13W 3x PL-S Pre-Heat Action StartSylvania 250W Coated Metal Halide BT-28 Bulb.
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ByL H-40 Street Light 250W High Pressure Sodium Replacement.

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