The existalite xhf283f is a combined emergency lighting unit designed to fit simply within contemporary luminaires it can be used to run 1 x 28w 2d lamp it has an emergency duration of 3 hours and a recharge period of only 20 hours they come complete with a lampholder led indicator and nicad battery this gear tray only requires unswitched live switched live neutral and earth supply connections it is supplied complete with screw terminals with cable protectors for mains connections