In a single family residence, the space between floor joists is closed with galvanized sheet steel and used as a return air plenum. Can a low voltage cable that is not rated for low smoke plenum use be routed along the face of a joist in the space?

In a single family residence, the space between floor joists is closed with galvanized sheet steel and used as a return air plenum. Can a low voltage cable that is not rated for low smoke plenum use be routed along the face of a joist in the space?