Above Ceiling Plenum Box

These boxes are available with and without an option for mounting a projector.

Above ceiling plenum box.

The plenum barriers block noise that would otherwise transmit through the ceiling and over the top of partition. A plenum is any space duct or above ceiling or in a stud space that is used to convey environmental air air that you and i will breathe in our environment other than the actual room area. They offer localized mounting for a v and technology equipment in a plenum approved enclosure. Not all above ceiling spaces are considered a plenum.

If the return air for the above ceiling hvac unit is not ducted directly to the grid ceiling and it is pulled through a ceiling register with no duct work then the space is being used as a plenum or for environmental air. Typically ships in 1 day s 09 28 2020 the cms492 conceals av equipment above a 2 x 2 ceiling tile to provide a clean professional look for classrooms and conference rooms. The receptacle should not be permitted in this location. However some drop ceiling designs create a.

A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems by providing pathways for either heated conditioned or return airflows usually at greater than atmospheric pressure. If the space above the drop ceiling is used for environmental air transfer meaning the air above the drop is apart of the air return then it is a plenum area and plenum rated cables shall be installed. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. For a new way to hide clutter look up to the new evolution series ceiling boxes.

602 2 of imc would allow plenum enclosure to be made of wood in this case because the building can be constructed with exposed wood framing. In these areas metal wiring methods are required per nec 300 22 c. 2 x 2 above suspended ceiling storage box.