Miniature rocker-style switch that mounts to the circuit boards of electronic controls.

Also known as DC. The continuous flow of electricity, as from a battery.

Lighting that casts all, or at least 90%, of the light downward.

Lighting that strikes an object or surface predominantly from a single direction. Generally used to include adjustable accent lighting using reflectorized sources.

A fixture that directs all light down.

The term for the power supply that operates an LED lighting system.

A plug-in convenience receptacle for two plugs.

Lamp efficacy is total lumen output divided by total watts consumed and is expressed Lumens Per Watt (LPW). Measures the energy efficiency of a light source.

Energy Independence and Security Act of 2007. Law specifying the minimum efficiency of popular lamps and ballasts, including general service incandescent and linear fluorescent lamps, reflector lamps, and HID Ballasts.

Dimmer that uses a solid-state switch (Triac) to turn off the current at a very high frequency and so reduce lamp output.