Which of the following describes the MAIN difference between a plenum rated cable versus
a nonplenum rated cable?

A.
A reduced production of hazardous fumes when subjected to fire

B.
The ability to be bent into tighter turning radiuses within conduit

C.
A reduced noise level when bundled in groups of 20 or more

D.
The ability to transmit data with fewer cross-talk interruptions

Explanation:

Plenum cable is sheathed with fire retarded substance. Therefore, the production of
hazardous fumes will be lower in plenum cable than in other cables not coated with fire
retardant material.