您的位置：
中国标准在线服务网 >>
全部标准分类 >>
国外标准 >>
IEEE >>
IEEE P848 IEEE Draft Standard for Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems

【国外标准】 IEEE Draft Standard for Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems

本网站发布时间： 2025-10-27

IEEE P848
定价：元
加购物车
在线阅读

开通会员免费在线看70000余条国内标准，赠送文本下载次数，单本最低仅合13.3元！还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权！查看详情>>

标准简介

适用范围：

This standard provides 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. The standard is applicable to cables installed and sized to IEEE Std 835(TM) for conduits and free-air… read more drops, and NEMA WC51/ICEA P-54-440 for cable tray. IEEE Std 135(TM) does provide ampacities for cables in a tray with a fixed spacing and may be used for cable penetration fire stop configurations only. This standard does not endorse the use of or provide application guidance for the installation of cable penetration fire stops and fire-protective materials. Cable designs are available that can withstand and remain functional during direct exposure to a fire. The user should refer to IEEE Std 634(TM) for the qualification requirements of cable penetration fire stops. read less

基本信息

标准号：
IEEE P848
标准名称：
IEEE Draft Standard for Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems
英文名称：
标准状态：
发布日期：
实施日期：
出版语种：

标准分类号

标准ICS号：
中标分类号：

关联标准

替代以下标准：
被以下标准替代：
引用标准：
采用标准：

出版信息

页数：
字数：
开本：

其他信息

起草人：
起草单位：
归口单位：
提出部门：
发布部门：

其它标准

推荐标准

中国标准在线服务网