zdobbs3037 zdobbs3037 28-02-2024 Physics contestada When exposed type NM cable is run through a floor, it must be protected by at least _____ and. ( _____mm) of _____.a. Conduit, 6 mm, steelb. Insulation, 25 mm, PVCc. Guarding, 19 mm, metald. Encasement, 12 mm, concrete