Kulka 00583 - #583 GDF Spring End Lamp Holder for T12/HO Lamps (KULKA 583GDF SPRING END)
ER XI FJT IOIOS122
Woods 59411 59411WD Outdoor Hardwired Stem Light Control with Photocell, Compatible with Most Types of Bulbs, Swivel Mount for Adjustable Placement, Automatic Settings, Time Delay, Black
LED Tube Light 6FT,R17D 30w F72T12/CW/HO LED Fluorescent Replacement 120V-277V Input (10-Pack White)
Hatch ESB-0848-46-UV - Electronic Sign Ballasts - 4-6 Lamps - T12/HO - 120/277 Volt
Intermatic K4221C 120-Volt Stem and Swivel Mount Thermal Photocontrol, Gray
Non-shunted Turn Type T8 Lamp Holder JACKYLED 50-Pack UL Socket Tombstone for LED Fluorescent Tube Replacements Medium Bi-pin Socket for Programmed Start Ballasts
ROBERTSON 1P20135 IEA432T8120N /B OEM-Pak of 10 Fluorescent eBallasts (3P20135) for 4 F32T8 Linear Lamps, Instant Start, 120Vac, NPF, 60Hz, Normal Ballast Factor