wire sheath

This paper presents TN grounding of LV power distribution network. It also discusses the colour code of PE wire in 5-core power cables, calculation of the thickness of outer sheath and selection of conductor size of PE wire.

介绍了低压配电网TN接地型式，并对五芯电力电缆PE绝缘线芯颜色标志、外护套标称厚度的计算及PE线导体截面积选择进行了讨论。

The wire is covered by an outer plastic sheath.

电线外面覆盖着一层塑料保护层。

Cases received open-operation because of Peel-away sheath and guide wire breaking away from renal pelvis.

2例因术中Peel-away鞘连同安全导丝一并脱出，改开放手术。

Composite stainless steel tube stranding , HDPE inner sheath, medium carbon steel wire armour, Ditumen coating , polypropylene yarn wrapping covering.

不锈钢管光纤单元绞合, 聚乙烯绝缘内护套, 钢丝铠装, 沥青浇灌, 聚丙烯绳外被.