100%
96%
92%
88%
84%
78%
0
4,000
8,000
Lamp Operating Hours
Lamp Operating Hours
D
A
B
12,000
16,000
C
Programmed Start Ballast
2
BASED ON 3 HOURS PER START
12,000
3
BASED ON 12 HOURS PER START
0
4,000
8,000
Rated Average Life in Hours
Rated Average Life in Hours
16,000
12,000
16,000