Standard BL 1400Lm Electronic 120 277V Fluorescent Emergency Ballast For (1 2) 2 8 Foot T12 HO Or VHO T8 HO 20W 40W Circline 13W 55W Compact Fluorescent Time Delay Test Switch (BAL1400TD) backorder1020 GE GEC226 MVPSU 3W Programmed Rapid Start CWLEZXTEU2GW GE GEC226 MVPSU 3W Programmed Rapid Start Electronic Compact Fluorescent Ballast For CFQ26W FT24 Or 42W Lamp Run At 120 277V (63097) this ballast operates at 120 277V and is compatible with GR10Q The integrated time delay test switch allows for easy maintenance and ensures your system is always ready for use Standard BL 1400Lm Electronic 120 277V Fluorescent Emergency Ballast For (1 2) 2 8 Foot T12 HO Or VHO T8 HO 20W 40W Circline 13W 55W Compact Fluorescent Time Delay Test Switch (BAL1400TD)