848-1996 - IEEE Standard Procedure for the Determination of the Ampacity Derating of Fire-Protected Cables
Description: A detailed test procedure is provided for determining the ampacity or derating factor in the following cable installation configurations: block-out or sleeve type cable penetration fire stops; conduits covered with a protective material; tray covered with a protective material; cable directly covered or coated with a fire-retardant material; and free-air drops enclosed with a protective material.