杜毅威(中国建筑西南设计研究院有限公司,成都市 610042)
杜毅威
Discussions on Model Markings of Flame Retardant Cables for Civil Buildings
DU Yiwei(China Southwest Architectural Design and Research Institute Corp. Ltd,Chengdu 610042,China)
Abstract:In this paper,provisions are made for model markings of flame retardant wires and cables according to the documents issued by the National Certification and Accreditation Administration,China Quality Certification Center,and Sichuan Fire Research Institute in 2024,comparative analysis is conducted for two national standards regarding flame retardant cables General Rules for Flame Retardant and Fire Resistant Electric Wires and Cables or Optical Fiber Cables(GB / T 19666 - 2019)and Classification for Burning Behavior of Electric and Optical Cables(GB 31247 - 2014),and suggestions are provided for selecting and marking flame retardant cables for civil buildings.
Key words:GB / T 19666;GB 31247;test device ;burning property;burning behavior;flame retardance category;flame retardance classification;compulsory authentication
摘 要:在介绍国家认证认可监督管理委员会、中国质量认证中心和四川消防研究所2024年分别发布的文件精神对阻燃电线电缆型号标注作出规定基础上,就与阻燃电缆相关的国家标准GB / T 19666 - 2019《阻燃和耐火电线电缆或光缆通则》和GB 31247 - 2014《电缆及光缆燃烧性能分级》进行对比分析,提出民用建筑阻燃电缆选型及标注的建议。
关键词:GB / T 19666;GB 31247;试验装置;燃烧特性;燃烧性能;阻燃分类;阻燃分级;强制认证
中图分类号:TM247 文献标识码:A
doi:10.3969 / j. issn.1003 - 8493.2024.09.001