| Description | LLF |
|---|
| You would find this in the lamp catalog and divide mean lumens by initial lumens or for incandescent sources, you would use the graph from the notes.? | |
| Get the luminaire photometry to determine its CIE classification then use charts and graphs from the notes based on the cleanliness of the environment for industrial applications.? | |
| You would use the lamp that you found in the lamp catalog to find the ballast in the ballast catalog to find this number.? | |
| You would determine the relamping of the spaces to help you determine this light loss factor.? | |
| You would calculate this value to use on a chart if the voltage is not that of the rated voltage.? | |
Periodic Table 
Multiplication Table 
Minute Math (Addition)
