Product Standard 

GB/T 12706 , IEC 60502 ,IEC 60228 , 

Usage 

This product is suitable for using rated AC Voltage (U0/U)6/6-26/35kV systerm transmitting and distributing lines.According to different sheath make ups, they can be used for laying in the air (cable bridges, indoor wall supponts and groove boxes) and soil (direct buryng , cable canals and pipelins ,etc.)