Question: How Many Foot Candles Should Be In A Parking Lot?

What kind of lights are used in parking lots?

Most parking lot lights utilize one of three types of lamps: high intensity discharge (HID) lamps such as metal halide, high pressure sodium, and – if they are very old – mercury vapor lamps..

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?

Accordingto the website, the minimum recommended light intensity is 1 foot-candle. In areas where there is potential damage to vehicles, 2 foot-candles is recommended. These standards are averages although no area in the parking lot should have less than a quarter of the average lamination.

How many lumens do I need for a parking lot?

We usually recommend two LED Parking Lot Light heads of 20,000 lumens each at about 15-20 feet high on each pole. Space the pole about 20 feet apart. That is average lighting. Go brighter and higher if you want your space more inviting.

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 bright is 40 foot candles?

In some areas, foot-candles will be higher than 40, and in other areas, it will be lower, but it will average out at 40. You’d need a fixture or multiple fixtures combined that will give you about 40 lumens of light per square foot.

How bright should outdoor lights be?

If you’re installing path lights along your walkway, 100 to 200 lumens is recommended. … Flood lights require 700 to 1300 lumens. The brighter the lights are, the more lumens they emit, and the more secure your space. Motion sensor flood lights require between 300 and 700 lumens.

How much does a parking lot light cost?

A 400w or 1000w HID fixture (very common wattages for parking and area lighting) can cost up to $209 in addition to $525 to operate per lamp, per year, in electricity costs alone.

How tall is a parking lot light pole?

Mounting height for parking lot lights can range from 12 ft. to 20 ft. but in some cases can reach as high as 35 ft. The spacing between parking lot lights depend on the mounting height, the higher the fixture the fewer the poles needed to light an equivalent area.

How many foot candles are in a 100 watt bulb?

400 foot candlesTheir efficiency is in the range of 4 lumens per watt. This means that a 100 watt bulb will generate 400 lumens – TOTAL. (Here’s the big leap) Now, if we COULD reflect all of that 400 lumens onto 1 square foot we would get a light intensity of 400 foot candles.

How many foot candles do I need?

Public areas surrounded by dark areas will generally require 2 to 5 foot-candles, or 20 to 50 lux, while typical offices and classrooms without highly detailed work will need 10 to 20 foot-candles, or 200 lux.

How many lumens is a 30×40 shop?

For example, a 40-watt fluorescent bulb puts out about 2,200 lumens. A 60-watt incandescent bulb puts out about 800 lumens. Secondly, how many lumens is a 30×40 shop? 30X40=1200sqft X 100 Lu = 120000 /2600 = 46 T8 32W tubes or 12 4 tube fixtures.