Fixture suspended from the ceiling on cable, chain or stem. Pendant is also a term for a stem. Pendant Track is suspended on stems.

In dimming, the portion of the alternating current that is switched. Forward phase (or leading edge) dimmers are used for incandescent and magnetic low voltage loads. Reverse phase (or trailing edge) dimmers are used for electronic low voltage and some LED loads.

In dimming, the portion of the alternating current that is switched. Forward phase (or leading edge) dimmers are used for incandescent and magnetic low voltage loads. Reverse phase (or trailing edge) dimmers are used for electronic low voltage and some LED loads.

A light-sensitive device used to operate fixtures according to available daylight. Most often used to turn on outdoor or security lights at dusk and to turn them off a down.

A light-sensitive device used to operate fixtures according to available daylight. Most often used to turn on outdoor or security lights at dusk and to turn them off a down.

A light measurement. Used to rate lamps and to calculate the luminous distribution of fixtures and reflectorized lamps.

A recessed downlight that includes a faceplate, having a small aperture in it; used for inconspicuous accent lights.

The space between the ceiling and the floor or between the roof and the above.