Definition Of Plenum Floor

If it is an air handling space then same rules as above the ceiling apply and smoke detection is required also.

Definition of plenum floor. A space lying above the ceiling in a building but below the next floor especially one allowing movement of air between parts of the building. Some say the plenum is the space above ceiling tiles or below the floor tiles while others say it s specifically the ducts returning air to your hvac system. Plenum ˈpliːnəm n pl nums na nə an enclosure containing gas at a higher pressure than the surrounding environment. See pelə in indo european roots.

Space filled by matter from plēnus full. Depends on if the raised floor space is a plenum space or not. It is conditional if the drop ceiling or raised floor not in a telecom room is handling any sort of air return then it should be a plenum rated space. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.

A fully attended meeting or assembly esp of a legislative body esp in the philosophy of the stoics space regarded as filled with matter. However some drop ceiling designs create a tight seal that does not allow for airflow and therefore may not be considered a plenum air handling space. Latin plēnum spatium full space neuter of plēnus. The plenum space is typically used to house the communication cables for the buildings computer and telephone network s.

Technically any ductwork is considered a plenum space too. If it is not an air handling space then yes extension cords and power strips are allowed. The air movement components simple. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.

The space below the floor will be used for cabling and for air movement to cool electronic equipment in racks. When you run cable through any building you first need to consider plenum spaces. However some drop ceiling designs create a tight seal that does not allow for airflow and therefore may not be considered a plenum air handling space. I need help applying the nec definition of plenum.

Plenum spaces are the open spaces above the ceiling or below the floor that are used for air circulation. Any large space designated for any type of air flow or routing of systems can be called a plenum. The term plenum could be a large section of ductwork or the upper space above a ceiling. In building construction the plenum pronounced pleh nuhm is the space that is used for air circulation in heating and air conditioning systems typically between the structural ceiling and the suspended ceiling or under a raised floor.