AC stands for “Alternating Current.” The flow of electrons switch directions – forward and backward.

Measures the flow of electricity through a wire.

An electrical “branch” off the main power supply.

CRI stands for the “Color Rendering Index” for light quality on a scale of 1 to 100.

DC stands for “Direct Current.” The flow of electrons moves in only one direction.

Energy shown in lumens per watt.

Measures light on a surface, having the symbol “fc.” One foot candle equals one lumen per square foot.

Colors of the spectrum, having the symbol “K.”

The technical term for a light bulb.

LPW stands for “Lumens Per Watt.”