A scientific unit of temperature.

The clear coating that protects metal from rusting or tarnishing.

Small pieces of glass joined at the edges with metal.

Also known as Light Emitting Diode, a small solid-state device that emits light by running small amounts of current through specially formulated semiconductors. They create light efficiently, produce little heat, last a long time, and contain no mercury.

Transparent device for controlling light beams; bends rays of light to change the direction of the beam.

An array of LEDs on a printed circuit board, sometimes including secondary optics and a driver.

Lighting or other equipment controlled by dimmers.

Transformer associated with a single nearby fixture. They are not integrated into the fixture housing but supply only a single fixture.

An array of baffles or reflectors that block light at certain angles and control glare.

Recessed, track, task, decorative, or landscape fixtures for low voltage lamps. A transformer may be local, integral, or remote.