Chief Plenum Rated Ceiling Enclosure Storage Box (White, 2x2')

Overview

The Chief CMS492 is a plenum rated ceiling enclosure designed to securely mount and protect AV equipment above a suspended ceiling grid. It fits directly into a standard 2 ft by 2 ft ceiling opening, replacing a single tile without the need for cutting or framing. This enclosure offers a clean, professional look by hiding cables and devices while maintaining easy access for service and upgrades. Its UL approval for air handling spaces and TAA compliance make it suitable for schools, government buildings, and commercial facilities.

Key features

• Plenum rated construction ensures safe installation in air handling spaces, meeting strict building codes.
• Lightweight design and Speed Connect hardware enable one person to install the enclosure quickly and securely.
• Detachable power housing allows electricians to complete wiring early in the project, streamlining installation.
• Four conduit knockouts provide flexible entry points for power, data, and control cables, accommodating various conduit sizes.
• Sturdy AV tray and included shelf support up to 100 pounds, suitable for projectors, switchers, small PCs, or streaming devices.
• Integrated ventilation promotes continuous airflow to prevent heat buildup and maintain reliable equipment operation.
• White finish blends seamlessly with typical acoustical ceiling panels, making the enclosure unobtrusive once installed.
• Optional second shelf slot allows for future expansion as system requirements grow.

Key specs

• Dimensions: fits standard 2 ft x 2 ft ceiling grid opening
• Load capacity: supports up to 100 pounds on AV tray and shelf
• Compliance: UL approved for plenum air handling spaces, TAA compliant
• Material finish: white to match acoustical ceiling tiles
• Conduit knockouts: four, compatible with various conduit sizes
• Installation hardware: includes Speed Connect mounting system

Installation and setup

The enclosure installs by dropping directly into a standard ceiling tile space, eliminating the need for cutting or additional framing. Its lightweight design allows a single installer to position and secure it using the included Speed Connect hardware. The detachable power housing simplifies electrical wiring by enabling electricians to complete connections before the enclosure is fully installed. Flexible conduit knockouts accommodate different wiring configurations, making setup adaptable to various AV system designs.

Ideal uses and environments

This ceiling enclosure is well suited for environments where a clean, professional appearance is important, such as classrooms, boardrooms, and commercial lobbies. It works effectively for housing projectors, video conferencing codecs, digital signage players, and other AV equipment that benefits from being out of sight but easily accessible. Its plenum rating and TAA compliance make it a strong choice for public sector projects and commercial installations requiring adherence to safety and procurement standards.