阻燃和耐火电线电缆或光缆通则新旧国家标准对比分析

Comparative Analysis of The National Standards GB/T 19666 Between Old and New Version

本文对国家标准《阻燃和耐火电线电缆或光缆通则》的新旧版本GB/T 19666-2019和GB/T 19666-2005进行技术对比,主要从七个方面进行差异比对,分别为标准适用范围,规范性引用文件,术语和定义,总则,产品型号,燃烧性能要求,技术要求。通过对新版标准和旧版标准的对比分析,希望可以帮助电线电缆从业人员更好地理解标准和执行标准,确保设计和制造的产品符合最新的国家标准。

In this paper,the technologies of the new version national standard GB/T 19666-2019“General rules for flame retardant and fire resistant electric wires and cables or optical cables”was compared with the old version GB/T 19666-2005.There were compared from 7 aspects mainly such as scope,normative references,terms and definitions,general principles,product model,combustion performance requirements,technical requirements.Through the comparisons and analysises of the new version and the old version national standard,it was hoped to help wire and cable practitioners better understand and execute the standard,and ensure that the products designed and manufactured meet the latest national standards.