说的通俗些铠装电缆也就是地埋的电线电缆，动力线传输电能电缆加上铠装层的目的除了增强抗拉强度、抗压强度等机械保护延长使用寿命外，铠装的有一定的抗外力性能，还可以放一些老鼠撕咬，不至于透过铠装造成电力传输问题，铠装的弯曲半径要大，铠装层可以接地保护电缆计算机铠装电缆、计算机屏蔽铠装电缆：双屏双绞铠装电缆。
2、电缆的使用特性及运行敷设条件额定电压0.6/1KV聚氯乙烯绝缘动力电缆①电缆导体的长期允许工作温度：≤70℃②短路时（最长持续时间不超过5S）电缆的最高工作温度：160℃③电缆敷设后经受直流电压3.5KV/15min不击穿。
矿用控制电缆用途：执行企标标准Q/TX，本标准适用于煤矿用铜芯聚氯乙烯护套阻燃控制电缆。
6、有屏蔽结构的软电缆，应不小于电缆外径的6倍。
矿用通信电缆用途：实心绝缘填充型电缆适用于煤矿管网的管道铺设，主要用于管道敷设。
适用于室内、管道及一般工业环境。
使用时，屏蔽层一端接地。
铠装双绞屏蔽型电缆ASTP-120Ω（forRS485&CAN）onepair18AWG，电缆外径12.3mm左右。
可用于干扰严重、鼠害频繁以及有防雷、防爆要求的场所。
ZR-KVV32阻燃聚氯乙烯绝缘，细钢丝铠装阻燃聚氯乙烯护套控制电缆敷设在室内、电缆沟中、管道、竖井内及地下，能承受一定的拉力作用。
注：根据用户需要可生产阻燃性（ZR）和无卤阻燃型（ZRA）控制电缆。
plc是可编程逻辑控制器的英文缩写。
由于众所周知的优点，最近十年来PLC的发展既应用领域是十分可观。
为此学习和掌握一定的PLC技术知识，成为当前我们电工从业者技术架构中必要的一环。
对于这一点相信参加过电工技能等级考试的同行都有切身体会。
笔者系某技术培训机构教师，自2015年以来一直负责电工PLC技术（初、中级）的培训教学工作。
在同广大电工同行一起学习的过程中，本人发觉有部分电工同行在初学PLC程序编程时，或多或少地都会出现一些不足和错误。
Product adoption standard: mt818.14-1999.
Product standard: YD/ t1173-2001
4、型号名称及使用范围序号型号产品名称主要使用范围1kvv铜芯聚氯乙烯绝缘聚氯乙烯护套控制电缆适用于弱电控制系统或强电磁场干扰区2kvvp铜芯聚氯乙烯绝缘聚氯乙烯护套铜丝编织屏蔽控制电缆3kvvp2铜芯聚氯乙烯绝缘聚氯乙烯护套铜带屏蔽控制电缆4kvv22铜芯聚氯乙烯绝缘聚氯乙烯护套钢带铠装控制电缆5。
Eisc-ss flame-retardant and explosion-proof essential cable eisc-ss-r flame-retardant. The main technical indicators of this company are compiled by referring to the information of IEC227 (1979) and British BS5308Part1. Purpose: this product is mainly used for laying places of essential requirements with rated ac voltage of 450/750v or less, strong anti-rf and anti-near field coupling ability. It is also suitable for distribution and transmission of essential circuits in industrial sectors with gas operation. Conditions of use: 1)? The rated voltage is 450/750v. 2)?? Cable conductor long-term allowed working temperature is 70 ℃. 3)?? The cable temperature under installation should not below 0 ℃, allowed recommended no armoured cable bending radius should not less than 6 times of cable diameter. The armored cable shall not be less than 12 times the outer diameter of the cable.
2、产品标准：GB5023.5-86《额定电压450/750V及以下聚氯乙烯绝缘电缆（电线）屏蔽电线》3、使用特性：1）额定电压U0/U为300/300V；2）电缆的长期允许工作温度：AVP-105、RVP-105型……应不超过105℃；其他型号……应不超过70℃4、型号、名称和使用范围型号名称。
The first branch of tianjin cable factory is specialized in supplying and selling cpev-s communication cables. Cpev-s cable, welcome to inquire about cpev-s communication cable; Cpev-s cable details! Cpev-s communication cable provided by the first branch of tianjin cable factory; Cpev-s cable not only has the leading technical level at home and abroad, but also has good after-sales service and excellent solutions. Model name: HJVV copper core PVC insulated PVC sheath local cable HJVVP copper core PVC insulated PVC expansion sleeve shielded local cable copper core polymer
55XX系列校准器包括新型号5080A，5502A，5522A，以及过去的旧型号的5502A和5522A。
它们的主要功能有如下几项：直流电压±(0~1020)V交流电压1.0mV~1020V(1Hz~1MHz)直流电流±(0~20.5)A交流电流29mA~20.5A,(1Hz~1MHz)电阻0W~1100MW以往，很多实验室校准这些多产品校准器的方法，就是使用8508A八位半高精度数字多用表直接测量。
低衰减、低噪音、微小型及搞稳相电缆等。
产品特点：1．可以传输较宽的频带2．对外界干扰的防卫度高3．天线效应小，辐射损耗小4．结构简单，安装便利，比较经济。
我们厂生产的射频电缆的衰减与导体，介质，结构尺寸，工艺水准和工作的频率都有关。
6 kv and above cable joint: (1) installing a cable terminal head, must be stripped semiconductor electric shielding layer, operation shall not damage the insulation, should avoid mark uneven situation, when necessary use sand paper to grind; The shield end should be flat and the graphite layer (carbon particles) should be clean. (2) plastic cable end copper tape screened and armor must be good grounding, the short circuit also follow this principle, avoid unbalanced three-phase run ShiGang armoured end produce inductive electromotive force, and even "lighter" and sheath and other accidents. It is required to use my tinplate to braid copper wire for grounding lead. When connecting with the cable copper belt, it should be welded with chromium-iron tin. The shield of three-phase copper tape should be connected with ground wire respectively. Note that the shielded ground wire and steel armor ground wire should be separately drawn out and insulated from each other. The position of the welded ground wire should be as low as possible.