求助高手,看看这是什么电缆?先谢谢了!

Technical requirements

This specification talks about to HD polyethylene isolated copper cable 75 HDPE °C with neutral concentric, (2x#8+1x#8 AWG), 600 V, with stuffed and jacket for the three-wire single-phase system 120/240 volts. The geometry of the cross-sectional section of the finished cable will have to be to circulate.

Characteristics of the phase conductor

• The used raw material in coppe

• Before of its application on the copper conductor it must fulfill the requirements of norm ASTM D 1248.

• The isolation and the jacket must fulfill the requirements established in norms UL 854 and UL 1581, be adapted for humid and dry means use, to be resistant to the mechanical efforts during the installation and operation of the cable, and to be resistant to ultra-violet rays.

• The two phases

 The concentric neutral conductor must be conformed by soft copper wires applied on the filling. The factor of wiring or step does not have to be inferior to the stipulated thing in UL 854.

• The wires of the concentric neutral conductor will be applied helically or by another system of no rectilinear manufacture as it stipulates UL to it 854 and must uniformly be distributed throughout the length

Characteristics of the jacket or cover

• It will have to be of HD polyethylene HDPE, and their compounds will have to fulfill norm ASTM D 1248.

• It must be adapted for humid and dry means uses.

• It must be resistant to the mechanical efforts during the installation and operation of the cable, and to be reasonably flexible.

• It must be of black color, with black pigmentation of resistant smoke a

带地线的电力电缆,地线采用同心导体结构,绝缘和护套材料均采用HDPE,护套需要防紫外线且耐干湿不同的气候.

对楼上的先说声谢谢.

楼上能说明一下具体的结构吗,大概的也行?

很抱歉，我手头没有ＵＬ７４８和ＵＬ１５８１标准，不能对此线妄加说明，你可以把这两个标准看一看或请该客户将该缆的详细要求传给你，你再发到网上来大家讨论．

采用美国线缆标准

这是按照UL854标准的电缆，线芯可以选用UL44里的例如（XHHW,RHH,RHW等），性能也要符合UL44，材料和试验方法按照UL1581.这个电缆要求的是软导体。

仅供参考。