2019/12/17 by McGuire, J. H.
#Fire #Incendie #conduit cable sleeves #essai de résistance au feu #fire resistance tests #manchon de cable électrique #mur #walls
paper · doi:10.4224/40001759
Four small-scale fire-resistance tests have been carried out on walls penetrated by telephone cables. The failure criteria were that temperature should not exceed 1000 degrees F at the unexposed surfaces of the cable, sleeve or wall, nor should openings greater than 0.1 square inch develop.