Nora Lighting NIO-4SC35XHW/HL 4" Iolite LED Square Adjustable Cone Reflector, 1500lm/2000lm/2500lm (varies by housing), 3500K - Haze Reflector / White Flange 7613-A19-WH the ground screw has been SKU_NIO-4RNDC40XHZMPW/10 Details of the Nora Options:60º Field Changeable Lens NLCBS-4568535PW

the ground screw has been moved to avoid interference with back-mounted brackets such as Orbit's BHA-16  BHA-24

120 Degree Beam Angle

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Siemens #MTB84U

Bottom: Three 1/2 inch knockouts and two MKOs

Nora Lighting NIO 4SC35XHW HL 4" Iolite LED Square Adjustable Cone Reflector, 1500lm 2000lm 2500lm (varies by housing), 3500K Haze Reflector White Flange 7613 A19 WH the ground screw has been SKU_NIO 4RNDC40XHZMPW 10 Details of the Nora Options:60º Field Changeable Lens NLCBS 4568535PW the ground screw has been moved to avoid interference with back mounted brackets such as Orbit's BHA 16 BHA 24 120 Degree Beam Angle