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What formula do I use to compare the power consumption between different forms of illumination?

April 26, 2017compare consumption different forms Formula illumination power

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What formula do I use to compare the power consumption between different forms of illumination?

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Different types of illumination may be considered for a sign, fluorescent (hot cathode), neon (cold Cathode), light emitting diodes (LEDs) etc. and its first necessary to determine the number and positioning of the light source as well as the required level of luminance to give an even and uniform illumination. Once this has been done the power consumption and capital cost (and its recovery) can be calculated for each type of illumination being considered.