HE HE Series Emergency Lighting Page 2 of 2 6 or 12 Volt, 25 to 125 Watts Class I, Div. 2 Lamp Head Photometrics HT8 - 6 Volt, 8 Watt, Tungsten left 10 feet 0 1 left 20 feet 0 0 10 20 30 40 50 60 70 .1 .2 .3 .5 1 right 20 up feet left 30 10 1 feet 0 right 10 up HT25 - 6 Volt, 25 Watt, Tungsten 20 .1 .2 .3 .5 HT18 - 6 Volt, 18 Watt, Tungsten 20 0 40 60 80 120 100 10 20 20 right 30 10 1 0 .3 .5 .1 .2 feet 0 10 20 30 .3 .