Fiber optic lighting, also known as light piping or fiber optic illumination, is a type of lighting technology that uses…
Energy Star is a voluntary program run by the U.S. Environmental Protection Agency and Department of Energy that encourages businesses…
The Energy Policy Act of 2005 (EPACT) is a federal energy law that seeks to promote energy efficiency and investments…
The Energy Independence and Security Act of 2007 (EISA) is a federal energy law that promotes energy conservation and renewable…
Energy in lighting refers to the amount of energy that is used to power the lights. This energy can come…
An elliptical lens is an optical element with a curved surface that has two focal points located on the same…
Electroluminescent (EL) lighting is a form of lighting technology that uses electric current to excite phosphors, causing them to emit…
In lighting, efficacy is a measure of how much light is produced per unit of energy used. It is typically…
An Edison bulb is a type of light bulb that has a distinct, vintage style. It features a classic design…
A downlight is a type of lamp or light fixture that shines light downward. Downlights are commonly used in homes,…