This RAB Lighting MCAP3B Mighty Post Cap is made of die cast aluminum for resistance to corrosion, has an internal seal for protection from weather, and is suitable for use with 2-7/8" light posts to ho...

Buy Now From Amazon

This RAB Lighting MCAP3B Mighty Post Cap is made of die cast aluminum for resistance to corrosion, has an internal seal for protection from weather, and is suitable for use with 2-7/8" light posts to hold heavy floodlights securely. It has a set screw that locks the cap to the post (not included) and a 1/2" threaded hole that accommodates most floodlights and lawn lights. It is Underwriters Laboratories (UL) listed as suitable for use in wet locations when used with fixtures that have a ground wire. This black post cap is suitable for a wide range of outdoor lighting applications.

RAB Lighting manufactures LED, metal halide, and high-pressure sodium lighting fixtures and controls for indoor and outdoor applications. The company, founded in 1946, is headquartered in Northvale, NJ.



  • Cap for use with 2-7/8" light posts to hold heavy floodlights securely
  • Die cast aluminum construction for resistance to corrosion
  • Internal seal for protection from weather
  • Set screw locks cap to post (not included)
  • 1/2" threaded hole accommodates most floodlights and lawn lights
  • Cap for use with 2-7/8" light posts to hold heavy floodlights securely
  • Die cast aluminum construction for resistance to corrosion
  • Internal seal for protection from weather
  • Set screw locks cap to post (not included)
  • 1/2" threaded hole accommodates most floodlights and lawn lights

Similar Products

RAB Lighting MP19B Mighty Post, 3RAB Lighting LL322B Incandescent 3 Tier Lawn Light, A-19 Type, 75W Power, 1220 Lumens, 120VAC, BlackRAB Lighting ST12B Lawn Light Mounting Stem, Steel, 12RAB Lighting ST12VG Lawn Light Mounting Stem, Steel, 12RAB Lighting MCAP2B Mighty Post Cap for 2RAB Lighting LL22B Incandescent 4 Tier Lawn Light, A-19 Type, 100W Power, 1650 Lumens, 120VAC, Black