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Watts per foot is a unit measuring the power consumption or energy usage of an LED strip light. It indicates the amount of electrical power a light source uses per linear foot. For example, a 3-watt-per-foot LED strip consumes 3 watts of electricity per foot of length when lit. This measurement helps determine energy efficiency and estimate operating costs.
Lumens per foot measures the amount of light output emitted by an LED strip light per linear foot. The higher the lumens per foot, the brighter the light emitted. This measurement helps you understand how much light output to expect and choose the best LED strip for your needs.
An isocandela diagram is a visual representation of light intensity distribution from a light source. It resembles a topographic map, using contours to connect points of equal luminous intensity. These diagrams are used in lighting design to analyze factors like lighting uniformity, shadows, glare, and brightness levels in a space.