阻燃電話線ZR-HYA ZR-HYA:銅芯實心聚烯烴絕緣擋潮層阻燃聚乙烯護套市內通信電纜 ZR-HYAT:銅芯實心聚烯烴絕緣填充式擋潮層阻燃聚乙烯護套市內通信電纜 ZR-HYAC:銅芯實心聚烯烴絕緣自承式擋潮層阻燃聚乙烯護套市內通信電纜 ZR-HYA53:銅芯實心聚烯烴絕緣擋潮層聚乙烯護套鋼塑帶鎧裝阻燃聚乙烯護套市內通信電纜 ZR-HYAT53:銅芯實心聚烯烴絕緣填充式擋潮層聚乙烯護套鋼塑帶鎧裝阻燃聚乙烯護套市內通信電纜 ZR-HYA22:銅芯實心聚烯烴絕緣擋潮層聚乙烯護套鋼帶鎧裝阻燃聚氯乙烯護套市內通信電纜 ZR-HYA23:銅芯實心聚烯烴絕緣擋潮層聚乙烯護套鋼帶鎧裝阻燃聚乙烯護套市內通信電纜 ZR-HYAT22:銅芯實心聚烯烴絕緣填充式擋潮層聚乙烯護套鋼帶鎧裝阻燃聚氯乙烯護套市內通信電纜 ZR-HYAT23:銅芯實心聚烯烴絕緣填充式擋潮層聚乙烯護套鋼帶鎧裝阻燃聚乙烯護套市內通信電纜通信電纜型號HYA?HYAC?HPVV?HYV?HJVV?HYY?鎧裝通信電纜HYA22?HYV22?HYAT22?HYY23?HYYT23?HYA23?HYAT23?HYA53?HYAT53??鋼絲鎧裝通信電纜H?YA33??HYAT33?WDZ-HYA53??HYY33?HYYT33?HYY33充油通信電纜HYAT?HYYT??執行標準:YD/T322-1996