4 Pin G24q-2 and GX24q-2 CFL Socket - Vertical Screw Down Mount For 18 Watt Twin Tube Lamps - 75 Watt Maximum - 600 Volt Maximum - Satco 90-1550 $4.34 ea. Details Description Bottom screw down CFL socket Rated 75 watt-600 volt This Satco 42 watt CFL lampholder is designed for...