Description
Replacement or DIY Cap for RAB Mighty Post Systems
The RAB Lighting MCAP3A PVC cap is the essential component for building custom landscape lighting posts or replacing worn caps on existing Mighty Post installations. Designed for standard 2.5″ pipe (2 7/8″ outer diameter), this weatherproof cap lets you cut your own pipe and create professional-grade outdoor lighting posts at a fraction of the cost.
Key Features & Benefits
- Durable PVC Construction: Thick-wall PVC with molded-in bronze color resists corrosion, UV degradation, and impact in outdoor environments
- Universal Fixture Compatibility: 1/2″ threaded hole accepts standard floodlights, lawn lights, and landscape fixtures
- Weatherproof Design: Internal seal provides water-tight fit to protect wiring and connections; UL Listed for wet locations
- Secure Installation: Set screw locks cap firmly to post, preventing rotation and movement
- System Expandable: Compatible with RAB Post Adapter (sold separately) to add outlets and sensors to your lighting post
- Color-Matched: Molded-in bronze color won’t chip, fade, or peel over time
DIY-Friendly & Cost-Effective
Cut standard 2.5″ pipe to your desired height and save on pre-fabricated posts. Perfect for landscape professionals and homeowners who want custom post heights for specific applications—whether you’re lighting pathways, accenting architecture, or illuminating garden features.
Specifications
- Fits: Standard 2.5″ pipe (2 7/8″ outer diameter)
- Thread size: 1/2″ for fixture mounting
- Material: Thick-wall PVC
- Finish: Molded-in bronze color
- UL Listed: Suitable for wet locations (fixtures with ground wire must be used)






Reviews
There are no reviews yet.