Residential Lighting

Economic Worksheet: Table 3

Table 3. Lamp Life Multiplier for Fluorescent Lamps

Average hours of lamp
operation per start
Lamp life multiplier
for fluorescent lamps
continuous 1.8
12 1.5
6 1.2
3 1.0
2 0.9*
1 0.7*
0.5 0.5*
0.25 0.4*
* For some compact fluorescent lamps with "soft start" electronic ballasts, the values may be higher than those shown in the chart.


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