WebLED lighting terminology and definitions can be confusing. To assist in understanding the world of illumination we’ve created this industry language page to support communications with contractors and suppliers. ... Cutoff Luminaire: One of the IESNA luminaire classifications that prescribe light distribution metrics intended to avoid light ... WebJul 5, 2024 · LED luminaire. [6.8.5] A complete lighting unit consisting of light emitting diode (LED) -based light emitting elements and a matched driver together with parts to distribute light, to position and protect the light emitting elements, and …
Luminary Definition & Meaning Dictionary.com
WebMar 18, 2016 · Commonly, however, these luminaires are broken into two types: direct/indirect, a luminaire that emits more downlight than uplight, and indirect/direct, which emits more uplight than downlight. The downlight component provides efficient task lighting with modeling definition, while the uplight component provides diffuse ambient … WebMar 7, 2011 · The combination of wallwashers and spotlights allows the general lighting to be supplemented by accent lighting. Luminaires installed directly against the wall do not achieve uniform brightness from top to bottom. The linear grazing light of fluorescent lamps produces a diffuse light on the wall and creates a clear definition at the edge of the … filly\u0027s winston-salem
Direct lighting Definition & Meaning - Merriam-Webster
WebJan 16, 2013 · Luminaires connected together can include wiring to feed the interconnected luminaires, within limits [410.64(C)] (Fig. 2). Fig. 2. Luminaires designed for end-to-end … Webluminaire meaning: 1. an electric light: 2. an electric light: . Learn more. WebThe term full cutoff has and is being used to describe luminaires that have no direct uplight (no light emitted above horizontal). However, in addition to that limitation, the Illuminating Engineering Society of North America (IESNA) definition also requires luminaires to comply with the glare requirement limiting intensity of light from the luminaire in the … groundschool anywhere