Standard No.:	GB/T 18380.32-2022
English Name:	Tests on electric and optical fibre cables under fire conditions—Part 32：Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A F/R
Chinese Name:	电缆和光缆在火焰条件下的燃烧试验 第32部分：垂直安装的成束电线电缆火焰垂直蔓延试验　A F/R类
Professional Classification:	GB    National Standard
ICS Classification:	29.060.20 29.060.20    Cables 29.060.20
Source Content Issued by:	SAMR; SAC
Issued on:	2022-4-15
Implemented on:	2022-11-1
Status:	valid
Superseding:	GB/T 18380.32-2008 Tests on electric and optical fibre cables under fire conditions - Part 32: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	220.0
Delivery:	via email in 1~3 business day

本文件描述了A F/R类试验方法，用来评价垂直安装的成束电线电缆在规定条件下抑制火焰垂直蔓延的能力。
本文件适用于导体截面大于35 mm2的电力电缆，电缆间隔地安装在试验钢梯的前面和后面，以实现试样所含非金属材料的标称体积总量为7 L/m。供火时间为40 min。本安装方法用于电缆规范中要求使用在特别装置中的特种电缆。A F/R类不适用于普通电缆。