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 Check out more canopy lights Elco Lighting E610L3030H2 6 ELN4X-12-36W-W Type:10W/2700K/850LM/10 LFL7-30W-CW-KN

Check out more canopy lights at sonicelectric

Bottom: Three 1/2 inch knockouts and two MKOs

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

LED 120/277V EL760ICDXAEM Emergency Backup LED 120/277V

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 Check out more canopy lights Elco Lighting E610L3030H2 6 ELN4X 12 36W W Type:10W 2700K 850LM 10 LFL7 30W CW KN Check out more canopy lights at sonicelectric Bottom: Three 1 2 inch knockouts and two MKOs