Level of illumination is the measurement or calculation of the amount of light present in a specific area, particularly in roadway lighting situations.

Restrike time is the duration it takes for a lamp, particularly high-intensity discharge (HID) lamps, to reignite or restrike after being turned off.

WAC Lighting is a prominent brand in the lighting industry that is renowned for its innovative lighting solutions, with a strong emphasis on energy efficiency and contemporary style.

A bollard light is an outdoor lighting fixture that is mounted on a bollard, which is a post used for various purposes such as marking boundaries, guiding traffic, and protecting pedestrians.

Specular reflection is the mirror-like reflection of light from a smooth surface. It occurs when incident light is reflected into a single outgoing direction, with the angle of incidence being equal to the angle of reflection.

Planned lighting maintenance is a proactive approach taken by professionals to ensure optimal performance and longevity of lighting systems. It involves regular inspections, assessments, and necessary actions to maintain and enhance the quality of lighting in a given space.One key aspect of planned lighting maintenance is the use of a light meter to track the output of lights.

IC rated recessed lighting is a type of lighting fixture that is specifically designed and approved for installation in ceilings or other areas where it may come into direct contact with insulation materials.

A Constant-Wattage Autotransformer (CWA) is a type of ballast, specifically for high-pressure mercury lamps and high-pressure sodium (HPS) lamps. It provides the necessary starting and operating voltage for these types of lamps.

NEMA enclosure type is a classification system used in the lighting industry to determine the level of protection provided by an electrical enclosure.

Copper wire is the utilization of copper-colored wire within the construction or assembly of a lighting fixture. Copper wire is commonly used in electrical applications due to its excellent conductivity properties.