Clear glass with color added during manufacture; also, clear or opal glass coated with a thin film of colored glass or plastic.

Lever used for control, as in the common Toggle Switch or a Toggle Dimmer, which is designed to match.

The part that joins sections of electrified track.

System of electrified channel, or track, and movable lighting elements. Track is the most flexible approach to accent lighting.

A device used to raise (step up) or lower (step down) the voltage. Step down transformers reduce household voltage (120 volts) to low voltage used for accent and landscape lighting. Larger transformers reduce the high voltage used for efficient power distribution to safer and flexible household voltage. Input voltage is on the primary tap; output voltage is on the secondary tap.

Light passing through a material.

Semi-conductor switch used in electronic controls.

Confusing: sometimes the edge or visible part of a recessed downlight, as in “white trim”; sometimes the Finishing Section of the recessed fixture, as in “housing and trim”.

Plastic or metal ring on a recessed downlight that covers the cut edge of the ceiling hole.