Fulham Instant Start Electronic Fluorescent Workhorse Ballast For (1-2) 35W Maximum Lamps Run At 277V (WH2-277-C) backorder714 TCP LED 17W PAR38 120V

TCP LED 17W PAR38 120V Dimmable Medium E26 Base 4100K Flood (LED17P38D41KFL)

Instant start electronic fluorescent ballasts turn on lights right away and are used in lighting fixtures where lights are constantly on

And moreover

When Operated On Ballasts Having A Sustaining Voltage Less Than 270 Volts

GE LED150ED28/750 LED 150W 23500Lm 70 CRI Screw-In EX39 Screw Non-Dimmable Replacement For HID QS (22613)

Fulham Instant Start Electronic Fluorescent Workhorse Ballast For (1-2) 35W Maximum Lamps Run At 277V (WH2-277-C) backorder714 TCP LED 17W PAR38 120VFulham Instant Start Electronic Fluorescent Workhorse Ballast For (1 2) 35W Maximum Lamps Run At 277V (WH2 277 C) Instant Start Electronic Fluorescent WorkHorse 2 Ballast for 1 2 35W Maximum Lamps Operated at 277V