Reflector used in the aperture of a downlight.

Light built into a cove that illuminates the ceiling.

Accenting an object from two directions to enhance the appearance of form; used effectively for sculpture and trees.

The flow of electrons through a wire; measured in amperes.

UL Listing for fixtures used in a moist, but an unexposed area.

Refers to the International Dark Skies Association, which campaigns against light pollution. No fixture that emits light above horizontal.

End of a piece of track that is not receiving electric power.

A light control device that spreads light by scattering it. Opal glass and plastic, etched glass, fabric, and paper act as diffusers.

Control that varies the output of the light source by reducing the voltage or current to the lamp.