天津市電纜總廠*分廠提供通信電纜色譜供通信初學(xué)者學(xué)習(xí)使用，通信電纜色譜分序始終共有10種顏色組成，由5種主色和5種次色；5種主色和5種次色又組成25種色普，不管通信電纜對(duì)數(shù)多大，通常大對(duì)數(shù)通信電纜都是按25對(duì)色為一小把標(biāo)識(shí)組成。HYA通信電纜20*2《0.4/0.5/0.6/0.7/0.8》
5種主色：白色、紅色、黑色、黃色、紫色
5種次色：蘭色、桔色、綠色、棕色、灰色
還是舉例說(shuō)明：（HYA通信電纜20*2《0.4/0.5/0.6/0.7/0.8》10對(duì)通信電纜色譜線序表
1對(duì)—白蘭 2對(duì)—白桔 3對(duì)—白綠   4對(duì)—白棕 5對(duì)—白灰
6對(duì)—紅蘭 7對(duì)—紅桔 8對(duì)—紅綠 9對(duì)—紅棕 10對(duì)—紅灰
20對(duì)通信電纜色譜線序表
1對(duì)—白蘭 2對(duì)—白桔 3對(duì)—白綠 4對(duì)—白棕 5對(duì)—白灰
6對(duì)—紅蘭 7對(duì)—紅桔 8對(duì)—紅綠 9對(duì)—紅棕 10對(duì)—紅灰
11對(duì)—黑蘭 12對(duì)—黑桔 13對(duì)—黑綠 14對(duì)—黑棕 15對(duì)—黑灰
16對(duì)—黃蘭 17對(duì)—黃桔 18對(duì)—黃綠 19對(duì)—黃棕 20對(duì)—黃灰
HYA通信電纜20*2《0.4/0.5/0.6/0.7/0.8》