So you are facility manager for a school, and you have been asked to replace old stadium lights for the football field, upgrade your stadium lights, LED has three basic advantages: reduction in energy consumed, reduced maintenance cost and a better quality of light.

LED vastly improves the quality of your sport fields and arenas. Not only do they create a higher standard in your facility, but they reduce the costs you are spending to light your areas on the back end as well. After the 3 solid reasons it’s time to upgrade to LED in your sports arena, I think you are well on your way to making the right and solidly informed decision when it comes down to purchasing your upgraded system.

We often find there is a lot of confusion between Lumens and Foot Candles and Lux. And even more confusing is how some represent conversion from traditional light sources like Metal Halide and High Pressure Sodium in terms of watts, and not lumens. So why all the confusion. Well, it may be because those who represent this conversion are trying to avoid letting you know about the efficiency of the LED lights, so they claim you can replace X watts of Metal Halide with X watts of LED. What they should really say is that you can replace a 400W Metal Halide with X lumens, and their lights only need Y watts to produce these lumens. We’ll dive into this a little later, but lets first talk about lumens vs foot candles vs lux.

What is a lumen? A lumen is a measurement of light related to (1) fixture or bulb. So when we talk about lumens, we say that a fixture or bulb creates (X) lumens. These lumens are determined by sophisticated measurement equipment.

What is a foot candle? A foot candle is a unit of measurement at a specific location in a room or outdoor location that is created by 1 to many lights. It is a cumulative reading of 1 to many light sources at a specific location. It is both real and calculated. Real in the sense that you can take a light meter and walk to any location in a room or outdoor location and take a reading that represents the amount of light recorded from all contributing lights or fixtures. Calculated in the sense that you can use software to predict the foot candles of a space based on the placement of lights within the simulation.

What is lux? Lux is identical to foot candles. It is a measurement of real or calculated light, but it is done on a different scale. As a rough estimate, 1 foot candle = 10 lux.

So, simply stated, lights produces lumens, and the cumulative lumens of all lights are then determine the foot candle or lux measurement of light at a specific point in an indoor or outdoor space.

Build Your Future is dedicated to showing America’s youth the rewarding career opportunities available in construction. BYF is once again declaring October “Careers in Construction Month.”

Careers in Construction Month provides an opportunity for industry and schools across the nation to partner locally to host construction career events and programs. With the ever growing need for skilled professionals in the construction industry, there has never been a better time for education and industry to work together to help students build successful construction career pathways.   Construction careers in today’s market are all about high-tech, high-stakes, huge earning potential and the opportunity to travel the world. You might think that a four-year degree is the only path to success, but skilled trades are an option for many.