To increase lamp life and to have both the energy efficacies of high pressure sodium lamps and the desirable color characteristics of the lamps, pulse start technology has been developed. The pulse start technology has been available in low watt systems for a long time. What does pulse start mean? What is a pulse start […]
The south facing window should provide 14 to 16 hours of light a day for the plants. Many people leave their plants under fluorescent lighting for long periods of time. This won’t make them grow faster, and it won’t help their success. How long should I leave lights on my seedlings? Vegetables and other garden […]
10.78 lm. How many foot candles equal a lumen? How many foot candles do I need? The foot candles can be determined by room type. A light is one foot away from the source of a candle. Depending on the type of room being lit, lighting requirements and needs can vary. How many foot candles […]
How much does an indoor soccer field cost? A field of 84 feet x 18 feet would cost between $120,000 and $200,000. How much does it cost to build a small soccer field? The equipment, supplies, and labor costs range from $23,250 to $127,00 for synthetic turf. Do indoor sports facilities make money? If the […]
Where can I play soccer in Brooklyn? How many soccer fields are in NYC? In Manhattan, there are over 200 fields under the control of the Department of Parks and Recreation. How many soccer fields are on Randall’s Island? Roughly half of the athletic fields in Manhattan are located at Randall’s Island Park. Soccer, softball, […]
The estimated cost of a street light pole is between 2000 and 3000 dollars, and the electrician’s cost to put in street light is between 1000 and 2000 dollars. The total cost will go up if the project is for a highway or bridge. How much does it cost to run a street light? It […]
A mercury vapor lamp is a lamp made from mercury that is used to generate light. Gas is discharged when the lamp is heated or cooled. The liquid form of mercury in the tube is ionized before it can be used for light. What is the principle line for Hg vapor lamp? What is the […]
A conservative price for a football or soccer turf field is $5 per square foot. 80,000 square feet is the total area of the football and soccer fields. View our Cost Analysis page for a detailed breakdown of costs and returns on investment. How much does it cost to build a small soccer field? How […]
Plants like a light with a lot of red and blue and less green and yellow. Plants don’t need white light for it to be important. What color light is best for plant growth? Is red or blue light better for plants? While red is most efficient for photosynthesis, having only red light would result […]
The best outdoor flood light bulb is the one from Sylvania. A bright 650 lm of light can be found in this 250 watt LED bulb. It lasts over 20 years and uses 90 percent less energy. What is the most powerful floodlight? How powerful is a floodlight? Floodlight brightness can range from 700 to […]
