A fluorescent light, for example, casts as much as 900 foot-candles
of light, but that's only within 6 inches of the light bulb.
According to Droogsma, the new lamps increased visibility within the plant to more than 55 vertical foot-candles
of light, cadets most frequently responded "I cannot tell.
Earth Fare keeps the ambient lighting in the store down to about 30 foot-candles
but has anywhere from 110 to 150 foot-candles
on the product displays.
minimum 60 foot-candles
of light for toileting and grooming functions
For example, properties with nighttime lighting systems that provided three to seven foot-candles
received similar ratings of between 3 and 4, with one site receiving a rating of almost 5.
Measuring more than 1,000 foot-candles
, the Optima 1000 LED is brighter than many backlit fluorescent light boxes while providing the benefits of LED technology: lower power consumption, longer lifespan and fewer failure points.
Joining lighting packages to light full courts and half courts, this full court basketball lighting package produces light levels of more than 28 foot-candles
across the full playing area while achieving extremely even light levels, a max/min ration of only 3.
The Illuminating Engineering Society (IES) used to say you needed 'X' foot-candles
For covered parking facilities, the National Parking Association (NPA) recommends a horizontal illumination of 6 foot-candles
(f-c) positioned thirty inches from the floor.
In order to grow beautiful house plants, you really need to know how many foot-candles
of light your plant will receive inside your home," said Kerry VerMeulen, Co-owner of Plumstone, LLC, makers of SunStick (which measures sunlight outdoors) and SunStick Home.
As the newest product to join Access Fixtures' extensive line of commercial and sports LED lighting, the LED basketball court lighting package produces light levels of more than 15 foot-candles
across the full playing area while achieving extremely even light levels, a max/min ratio of only 2.