Depends on if the raised floor space is a plenum space or not.
Definition of plenum floor.
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.
Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.
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.
If it is not an air handling space then yes extension cords and power strips are allowed.
If it is an air handling space then same rules as above the ceiling apply and smoke detection is required also.
When you run cable through any building you first need to consider plenum spaces.
My company is planning to install electronic equipment in a single room with a raised floor.
Any large space designated for any type of air flow or routing of systems can be called a plenum.
Plenum spaces are the open spaces above the ceiling or below the floor that are used for air circulation.
Which one do you think it is.
The air movement components simple.
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.
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.
I need help applying the nec definition of plenum.
Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.
Latin plēnum spatium full space neuter of plēnus.
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.
The space below the floor will be used for cabling and for air movement to cool electronic equipment in racks.
The term plenum could be a large section of ductwork or the upper space above a ceiling.
See pelə in indo european roots.
A fully attended meeting or assembly esp of a legislative body esp in the philosophy of the stoics space regarded as filled with matter.
Technically any ductwork is considered a plenum space too.
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.
