- What does foot candle mean?
- How many foot candles do you need for a warehouse?
- What is the minimum lighting required by OSHA?
- How bright is 30 foot candles?
- How many foot candles is too bright?
- What does 5 foot candles mean?
- How many foot candles do I need for a parking lot?
- How much light is a foot candle?
- How many foot candles is direct sunlight?
What does foot candle mean?
A foot-candle (or foot-candle, fc, lm/ft2, or ft-c) is a measurement of light intensity.
One foot-candle is defined as enough light to saturate a one-foot square with one lumen of light..
How many foot candles do you need for a warehouse?
20 footFor example, according to the IES’ The Lighting Handbook, 10th edition, for a cold storage or warehouse space it is suggested to maintain an average of 20 foot-candles in the area.
What is the minimum lighting required by OSHA?
OSHA’s standard is brief, stating simply that listed areas of construction must be illuminated by a minimum number of foot-candles. Specifically: General construction—5 foot-candles.
How bright is 30 foot candles?
To determine the needed lumens, you will need to multiply your room square footage by your room foot-candle requirement. For example, a 100 square foot living room, which needs 10-20 foot-candles, will need 1,000-2,000 lumens. A 100 square foot dining room, which needs 30-40 foot-candles, will need 3,000-4,000 lumens.
How many foot candles is too bright?
Offices with more intensive use and showrooms will need brighter lighting provided by 50 to 100 foot-candles, or 500 lux. Very intricate, exacting and detailed work may require 1,000 to 2,000 foot-candles, or 10,000 to 20,000 lux.
What does 5 foot candles mean?
Believe it or not, foot candles are the most common unit of measure used by lighting professionals to calculate light levels in businesses and outdoor spaces. In a nutshell, a foot candle is a measurement of light intensity and is defined as the illuminance on a one-square foot surface from a uniform source of light.
How many foot candles do I need for a parking lot?
The horizontal luminance shall have an average maintained one foot-candle with a minimum level of 0.25 foot-candle on the parking lot surface from dusk until termination of normal business hours.
How much light is a foot candle?
A foot-candle equals one lumen per square foot. This is a British measurement. Using the metric system, a lumen is measured by a square meter or a lux. Thus a foot-candle is equivalent to approximately 10 lux or 10.57 lux.
How many foot candles is direct sunlight?
Light LevelsOutdoorFCLUXDirect Sunlight10,000100,000Full Daylight1,00010,000Overcast Day1001,000Dusk1010020 more rows