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Watts vs. Lumens – Overview

Watts vs. Lumens – Overview

Some fixtures produce more light at the same input power than others. The energy used is measured in watts. The light output is measured in lumens. The wattage used is not directly related to the lumen output. Some fixtures have a higher efficacy. This means that the...
LED Luminaire Terms You Need to Know

LED Luminaire Terms You Need to Know

If it is time to purchase new lighting such as LED high bay luminaires or LED wall packs, you likely have already seen how confusing it can be to navigate all of the style, wattage, and Kelvin options. This process is often made even more difficult given the array of...

Footcandles

Footcandles (FC) are a unit of measurement used in lighting design to quantify the illuminance or the amount of light that falls onto a surface. Specifically, one footcandle is equivalent to one lumen per square foot. Footcandles play a crucial role in various...
What Is Voltage?

What Is Voltage?

Voltage refers to pressure from an electrical circuit’s power. Voltage is what pushes a current through a conducting loop, enabling it to illuminate a light. It is essential that managers of commercial facilities know the line voltage where fixtures are to be...

What Does Kelvin Temperature Mean?

To achieve a specific color of light from a light source, it is essential to understand the Kelvin temperature – also known as the color temperature of a light source. A lamp’s color temperature signifies its warm, neutral, or cool color appearance. This...