Chief CMA-105 4" Ceiling Plate with 1.5" NPT Opening

Overview

The Chief CMA105 is a 4-inch ceiling plate with a 1.5-inch NPT opening designed to provide a secure and reliable mounting point for overhead equipment. It supports loads up to 500 pounds, making it suitable for projectors, large displays, security cameras, and other devices requiring a sturdy ceiling mount. Its compact size and low-profile design help it fit neatly into tight spaces such as classrooms, conference rooms, retail environments, and home theaters without drawing attention away from the mounted equipment.

Key features

• Compact 4-inch by 4-inch plate that fits easily above ceiling tiles or in soffits where space is limited
• Durable black finish that blends into dark ceilings or open plenum areas for a discreet appearance
• Supports heavy equipment loads up to 500 pounds, ensuring stability and safety
• Includes a set screw to lock the column in place and prevent rotation during use or adjustment
• Compatible with any Chief fixed or adjustable-length column as well as other 1.5-inch NPT threaded pipes for versatile installation options
• UL Listed and OSHPD certified, meeting strict safety and seismic performance standards for commercial and healthcare environments
• Simple installation process that secures the plate to structural ceiling members and allows quick threading of the column

Key specs

• Plate dimensions: 4 inches by 4 inches
• NPT opening size: 1.5 inches
• Load capacity: up to 500 pounds
• Finish: black powder coat
• Certifications: UL Listed, OSHPD certified

Installation and setup

Installing the CMA105 is straightforward and efficient. The plate attaches securely to a structural ceiling member, providing a stable anchor point. The compatible column or threaded pipe is then screwed into the 1.5-inch NPT opening, and the included set screw is tightened to lock the column in place. This process ensures a professional, clean installation that minimizes visual clutter and maximizes safety.

Ideal uses and environments

This ceiling plate is well suited to environments where space is limited but strong support is essential. It works well in classrooms, conference rooms, retail spaces, home theaters, and healthcare facilities. Its certifications and load capacity make it a strong choice for commercial projects requiring code compliance and seismic safety, while its discreet design keeps attention focused on the mounted equipment rather than the hardware.