How many lumens do you need to light a football field?
For a standard football field, need about 600,0000lm to light up a football stadium. For a standard football field, need about 126,000,00lm to light up a football stadium.
Which is more bright LED or CFL?
CFL’s or fluorescent light bulbs emit 60 lumens per watt. LED’s, however, are the most effective of all, with a whopping 72 lumens per watt. This means that for around 10 watts of power, an LED will be just as bright as a 60-watt bulb.
Which light is better for eyes CFL or LED?
Luckily, “warm light” CFLs (Compact Fluorescent Lights) are okay for your eyes, as well as being much more efficient. They do emit UV rays, but a much smaller amount. Remember that LEDs are not as good at emitting light in all directions, however, so you’ll have to think strategically about where to place them.
Which lasts longer CFL or LED?
Longevity—With a lifespan of approximately 25,000–35,000 hours, an LED bulb lasts 2 to 4 times longer than a CFL, and 25 to 35 times longer than a standard incandescent bulb. LEDs are more efficient than even CFLs: A 16.5-watt LED bulb is equivalent to a 20-watt CFL and a 75-watt incandescent.
How much does it cost to light a football field?
A high school football field can be lighted for approxi- mately $200,000. This includes lighting levels of 30 foot- candles and assumes that power source is adequate and within 100 feet of one of the four poles. Costs could range up to $400,000 depending upon the field’s location and specifications.
Which is safer LED or CFL?
LEDs use significantly less energy than even CFLs, and do not contain mercury. A study published in late 2010 in the journal Environmental Science and Technology found that LEDs contain lead, arsenic and a dozen other potentially dangerous substances.
Is it cheaper to switch from CFLs to LEDs?
Now that they cost almost the same as CFLs, it’s a great time to make the switch. In fact, with LED bulb prices so low they will pay for themselves in a few months, basically making them free. One of the fastest and easiest ways to cut your energy bills is to change a few of your light bulbs to LEDs.
What’s the difference between a CFL field and an NFL field?
From one goal line to the other, an NFL field is 100 yards with a midfield line at 50 yards. On the other hand, from goal line to goal line a CFL field is 110 yards, with the 55-yard line at midfield. The end zones are different lengths as well, with a CFL having a bigger end zone.
How many players are on the field in the CFL?
The total number of players on the field in the NFL is 22. There are 11 players on the field for each opposing team. In the CFL, the total is 24. There are 12 players on each opposing side.
Where are the field goal posts in the CFL?
In the NFL, the field goal posts are located at the back of the end zone. The CFL has its field goal posts at the front of the end zone. The difference in location is due to the size differences of the field.