ANSI C136.14:2014

This standard covers dimensional, maintenance and light distribution features that permit the interchange of enclosed side-mounted luminaires for horizontal-burning high-intensity discharge lamps used in roadway and area lighting equipment. Luminaires of similar size, shape, and weight meeting the requirements of this standard may be used interchangeably within a system with assurance that they will fit the bracket arm, pole strength requirements will not change, light distribution will be similar and similar maintenance procedures can be used.