A-WALL Lighting Calculator

Light Fixture Calculator

The appropriate number of recessed, 2'x4' troffer light fixtures required for your A-WALL building will depend on it's size and the intended application. Different tasks require different levels of illumination for safety and accuracy of visual performance. The A-WALL light fixture calculator will provide you with a suggested number of light fixtures, in accordance with the information you provide and the basis for the calculations stated below.

Instructions for using the A-WALL light fixture calculator
1. Enter the light level you require (see chart of typical applications).
2. Enter the nominal length and width of your building.
3. Select the appropriate ceiling/wall height.
4. Submit your data by selecting "CALCULATE" to display the suggested number of fixtures.

Calculations based on recessed 2' x 4' troffer fixture with 4 - 40W F48T12 lamps, foot candles at 30" work surface, clean environment with lamps cleaned annually, lamp lumen depreciation using 6 hrs. per start, 80% ceiling reflectance, 50% wall reflectance, and 20% floor reflectance.


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