管道电缆 meaning in English

conduit cable
duct cable

Specification for metal channel cable support systems for electrical installations
电气设备用金属管道电缆支撑系统规范
Optical fibre cables - gas pipe cables - family specifications for cables to be installed in high pressure gas pipes
光缆.燃气管道电缆.高压燃气管道电缆的系列规范
Optical fibre cables - drinking water pipe cables - family specification for cables to be installed in drinking water pipes
光缆.饮用水管道电缆.饮用水管道电缆的系列规范