What is Foot-Candle (Fc)
Foot-Candle (Fc) measures the illuminance or brightness of a light source at a specific location. It is a unit of measurement that quantifies the amount of light falling on a surface, specifically one lumen of light per square foot. The term “foot-candle” is often abbreviated as “fc” or “foot-candle.”
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In practical terms, foot-candles help determine the level of light received by a particular area or surface. It is an important factor in planning lighting for various applications, as it allows facility managers and electricians to accurately assess the amount of light needed in a given space. By measuring foot-candles, they can ensure that the desired surface area receives the appropriate level of illumination.
Foot-candles are different from lumens, which measure the total amount of light emitted by a lighting fixture. Foot-candles, on the other hand, focus on the amount of light that actually reaches a specific area or surface. This distinction is crucial in understanding the effectiveness and efficiency of lighting design.
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