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Dimensional, maintenance, and electrical features that permit the interchange of similar style enclosed luminaires having the same light distribution classification or type for high-intensity-disch...
Dimensional, maintenance, and electrical features that permit the interchange of similar style enclosed luminaires having the same light distribution classification or type for high-intensity-discharge lamps used in roadway lighting equipment are covered. Luminaires covered by this standard are generally yoke, trunnion, or tenon mounted.