Revision Standard - Active.A detailed test procedure is provided for determining the ampacity 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.
Số hiệu tiêu chuẩn
IEEE 848
Tên tiêu chuẩn
IEEE Standard Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems
Ngày phát hành
2015-00-00
Từ khóa
Ampere * Cables * Capacitive loads * Coatings * Current carrying capacity * Current rates * Currents * Definitions * Electric cables * Electrical cords * Electrical engineering * Electronic engineering * Fire protection * Fire-resistant * Fire-resistant materials * Precision * Testing * Cords * Conduits * Pipelines