What Is the Difference Between Voltage, Wattage, and Lumens?

When shopping for light bulbs, you will frequently see three key terms mentioned: voltage, wattage, and lumens. Here are the major differences between these measurements. 

Voltage, Wattage, and Lumens Listed for Modern Lighting Light Bulbs



Voltage measures the output of electrical current. The greater the voltage, the greater the flow of electrical current. Each country has a specified voltage that should match your lighting fixtures for safety and proper installation. To see your location’s voltage, view our map.


Wattage measures energy use, not light output. With new energy efficient LED technology, we can no longer rely upon wattage to indicate how bright a bulb is. Wattage should never exceed the limits of the cord set for safety reasons. Lamping in our standard cord sets should not exceed 100 watts. For glass holder cord sets, included standard in our Minaret, Turret and Pointelle Series pendants, lamping should not exceed 60 watts.


Lumens is a unit of measurement for brightness. The higher the lumens, the brighter the bulb. We list the lumens for all of our modern lamping on our website.

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