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Glossary of Terms
Glossary of Terms

Glossary of Terms

Listed below are lighting terms and definitions for your reference. To navigate, click on the first letter in the word you wish to research.
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Lamp

The technical word meaing light bulb or tube; the device that provides light in a fixture

LED

Light emitting diode

LED bank lane retrofit lamp

LED lamp replacement for incandescent bulbs used in bank lane signal fixtures

LED décor retrofit lamps

LED lamp replacement for incandescent bulbs used in decorative lighting applications

LED exit retrofit kit

LED lamps and base adapters for replacing incandescent lamps in exit signs

LED Exit retrofit lamp

LED replacement lamp for incandescent bulbs in exit signs

LED industrial beacon retrofit lamp

LED lamp replacement for incandescent bulbs in vapor proof and explosion proof signal fixtures

LED lamp

A lamp that provides light when light emitting diodes are energized by an electric current

LED loading dock signal

Red and green LED signal fixture for loading dock traffic control

LED loading dock signal retrofit lamp

LED lamp replacement for incandescent bulbs used in loading dock signals

LED MR16

12VDC LED lamp for accent and decorative lighting

LED panel indicator lamps

LED lamp replacement for incandescent bulbs used as control panel indicators

LED PAR16

2 inch diameter LED lamp used in directional, recessed can lights, decorative and elevator car ceiling light applications

LED PAR20

2.5 inch diameter LED lamp used in directional, recessed can lights, and decorative lighting applications

LED PAR38

4.75 inch diameter LED lamp used in can lights and flood light applications

LED PL based exit lamp

Compact PL5,7,9 (G23) based LED lamp replacement for fluorescent exit signs

LED Post Top Lamp for Acorn Fixtures

​LED lamp replaces 150-watt metal halide bulb in acorn lamp posts

LED retrofit

The conversion of an incandescent exit sign to LED technology

LED step light retrofit lamp

LED lamp replacement for incandescent bulbs found in step light fixtures

Light

The term applied to a visible energy from a source and is usually measured in lumens or candelpower

Loading dock communication signal

Red and green signal fixture for loading dock traffic control

Lumen

The basic measurement of light