What is the term for the space that exists above a drop ceiling or below a raised floor and that is used for air
return?
A.
NEMA area
B.
plenum area
C.
DAS area
D.
extended area
E.
RF special area
What is the term for the space that exists above a drop ceiling or below a raised floor and that is used for air return?
What is the term for the space that exists above a drop ceiling or below a raised floor and that is used for air
return?