IEEE 848:2015现行
Procedure For The Determination Of The Ampacity Derating Factor For Fire-Protected Cable Systems
出版：Institute of Electrical and Electronics Engineers
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基本信息
标准编号： IEEE 848:2015
发布时间：2015/5/22 0:00:00
标准类别：Standard
出版单位：Institute of Electrical and Electronics Engineers
标准页数：32
标准简介
Gives a test procedure 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 - Trays covered with a protective material - Cable directly covered or coated with a fire-retardant material - Free-air drops enclosed with a protective material.
