This paper delves into the comparison and analysis of the combustion performance standards for cables domestically and internationally.It systematically outlines the main contents and differences between GB/T 19666-2019"General Principles for Flame Retardant and Fire Resistant Electric Wires and Cables or Optical Cables"and GB31247-2014"Classification of Combustion Performance of Cables and Optical Cables."The article highlights the importance of cables in fires,emphasizing the necessity of establishing and strict enforcing combustion performance standards.Furthermore,the article also anticipates the future trends and possible improvements in cable combustion performance standards,aiming to provide theoretical basis and practical reference for relevant industries to promote the optimization and enhancement of cable combustion performance standards.
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