foot-candle

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foot-candle

A measure of light intensity. One foot-candle is the illumination measured on a surface one foot from the source of one candle. Many worker-safety regulations specify the minimum foot-candles of light required in work areas.Zoning variances for commercial properties near residential areas might place a restriction on the maximum foot-candles of lighting after a certain hour at night.

References in periodicals archive ?
Entrances into parking structures should feature at least 60 foot candles of illumination to ease the transition from a bright exterior into the garage.
As the lighting level of a site approached three foot candles, the security ratings increased significantly.
Foot candles are allocated with discretion to task and location, not according to an overall set formula.
The offeror will provide a stage wash capable of producing an even wash of 80 foot candles across the 80x 40 area of the stage.
Twice as bright as many LED headlights with 54,000 Lux / 5,000 foot candles of light, the Infinity can outperform many tethered fiber-optic lights without the high maintenance costs.
We couldn't maintain the foot candles we wanted at desktop level," explains Kane.
In a side-by-side comparison with three industry leading LED downlights, Renaissance Lighting's solia([TM]) product scored highest on delivered foot candles, overall optical efficiency and efficacy.
This fixture is equipped with specially designed LEDT-series bulbs which produce 7,000 lumens, resulting in 30% more foot candles of illumination at eight feet as compared to standard T8 lamps when measured with an Extech light meter.