Wall grazing is a lighting technique that uses light fixtures to graze surfaces of vertical walls in order to produce…
Voltage, also known as electrical potential difference or potential difference, is an electrical quantity that measures the potential energy per…
Usable Light Hours, also referred to as photosynthetically active radiation (PAR), is the amount of light that is available for…
Underwriters Laboratories (UL) is an independent, not-for-profit organization who tests and certifies products and materials for safety. Founded in 1894…
Ultraviolet (UV) radiation is a type of electromagnetic radiation that falls within the spectrum of light just beyond visible light.…
Transparent is a term that describes the degree to which light passes through an object without being scattered. In other…
Translucent is a term that describes the degree to which light is able to pass through an object. It can…
A transformer is an electrical device used to convert the voltage of a power source from one level to another.…
Total life hours, when it comes to lighting, is a term used to describe the approximate number of hours a…
Tape light is a type of lighting that is mounted to flexible strips with an adhesive backing. These lights can…