Definition Of Plenum Floor

Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.

Definition of plenum floor.

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. Latin plēnum spatium full space neuter of plēnus. The term plenum could be a large section of ductwork or the upper space above a ceiling. 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.

Plenum spaces are the open spaces above the ceiling or below the floor that are used for air circulation. 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. Plenum ˈpliːnəm n pl nums na nə an enclosure containing gas at a higher pressure than the surrounding environment. Technically any ductwork is considered a plenum space too.

Space filled by matter from plēnus full. The plenum space is typically used to house the communication cables for the buildings computer and telephone network s. The space below the floor will be used for cabling and for air movement to cool electronic equipment in racks. Any large space designated for any type of air flow or routing of systems can be called a plenum.

I need help applying the nec definition of plenum. If it is not an air handling space then yes extension cords and power strips are allowed. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. My company is planning to install electronic equipment in a single room with a raised floor.

If it is an air handling space then same rules as above the ceiling apply and smoke detection is required also. A fully attended meeting or assembly esp of a legislative body esp in the philosophy of the stoics space regarded as filled with matter. Definition of plenum in construction a plenum is a space designated for air flow or can describe a space devoted to mechanical electrical or sprinkler lines. Which one do you think it is.

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. When you run cable through any building you first need to consider plenum spaces. See pelə in indo european roots. The air movement components simple.