MHYVP 2 * 3.3+2 * 0.85 data for mine shielded communication cable 1. Tin coated copper wire is used for conductor, 47/0.3 for conductor, 12/0.3 for 0.85, and 7/0.28 tin coated copper wire for drainage line. 2. Insulation color: 3.3 the wire core is a red one and a blue one, while the 0.85 wire core is a white one and a green one. The white wire core is wrapped with aluminum foil. 3. Insulation thickness: 3.3 core insulation thickness is 0.5, and the outside diameter after insulation is 3.5 mm. The insulation thickness of wire core is 0.7 and the outside diameter after insulation is 2.5mm. 4. Into line with the four wire core is arranged for red, green, blue, white, streamline, and row streamline to conductors are twisted together, don't put longitudinal, are not added when cabling filler, external use aluminum foil winding and cable core, then a layer of polyester film around the package, the outside is a layer of copper wire braided shielding (shielded copper wire tin plating). 5. Sheath: the front diameter is 8.2mm, the back diameter is 12mm (between 11.7mm and 12mm), and the sleeve is flame retardant blue
试验规定，一根60cm长的试样垂直固定在前壁开通的金属箱内，火焰长度175mm的丙烷燃烧器从距试样的上部固定端450mm的位置上火焰锥与电缆以45度角接触，如果试样燃烧损坏部分距离固定端下部不超过50mm，测试通过。
耐火电缆燃烧时产生的酸气烟雾量少，耐火阻燃性能大大提高，特别是在燃烧时，伴随着水喷和机械打击的情况下，电缆仍可保持线路的完整运行。•漆包线（绕组线）又称绕组线，用于电机绕组，将电能转化为机械能。•光织光缆用于传输光信号，因具有低衰减性能，常用作长途通讯的主干线。
Power cable -- power cable | cross-link cable -- cross-link cable | control cable -- control cable | railway cable ----- railway cable || soft cable -- soft cable |? | flame-retardant refractory cable -- flame-retardant refractory cable? | | plastic copper lines, plastic copper line lines to weave, weave | computer cable, computer cable: : - telephone line, telephone line | multi-fiber sheath, multi-fiber sheath - screen cap line | | screen cap line video line - video line | anti aging, anti aging cable | flame retardant control cable - flame retardant control cable, power - the power cord: : Lights with cable, lighting with | mining flame-retardant cable communications cables, mining flame-retardant communication cable | special cable HP HP | - special cable communication cable in the city - the city communications cables | | video monitor cable - video monitor cable | | high temperature resistant cable KFF - high temperature resistant cable KFF | with flame retardant cable soft structure of the telecom room (communication equipment power cord) RVVZ RVVZ22 ZA - RVV ZRVVR (6-240 was) expressway emergency telephone cable GHYAT GHYAT53 railway cable PZYA (PTYA) PZYA23 PTYA23 DJYJVP, DJYPV, DJYJPV, DJVPVP, DJYPVP, DJYJPVP, JVV, JVVP DJYPRV lights use cable DJ - JDKR - 500 - v 1 x2. 5 1 x4
ZR-YJV22ZR-YJLV22ZR-YJV23ZR-YJLV23交联聚乙烯绝缘阻燃聚氯乙烯/聚乙烯护套钢带铠装动力电缆敷设在室内、隧道内直埋土壤，电缆能承受机械外力作用。2、可根据用户要求，生产0.6/1KV圆形导体结构或扇形导体结构的各类五芯电缆。
三相交流电出现幅值的先后次序称为相序，上述三相电动势相序为ABCA。称为正序（顺序）若相序为ACBA；则称负序（或逆序），今后若无说明，均指正序。三相电路中，每相头尾之间的电压叫做相电压。如UA0，UB0，UC0（简单写为UA，UB，UC），相电压通用字母UP表示，相与相之间的电压叫做线电压，如UAB，UBC，UCA线电压通常用字母UL表示。三相电路中，流过每相电源或每相负载的电流叫做相电流，通常用字母Ip表示。
Fire control cable USES: this product has high fire-resistant ability, can withstand direct flame combustion and in a certain period of time not short circuit or open circuit fault occur, when the fire broke out, to put out the fire and reduce the loss. It is suitable for electric devices and control systems in places with high fire risk and fire control importance. Product standard: Q/ 320831nhn004-1996 25 ℃ ~ + 105 ℃ and 60 ℃ ~ + 200 ℃. Two kinds of refractory characteristics: comply with GB12666.6-90: A class: the flame temperature of 950 ℃ to 1000 ℃ class B: flame temperature 750 ℃ to 800 ℃ the burning time of 90 min burning time: 90 min additional voltage 500 v 3 additional voltage 500 v 3 A current a. flame retardant properties: Comply with class A of gb12666.5-90 test • minimum allowable bending radius of cable: The armoured not less than 12 times the cable diameter models: main material PVC insulated PVC sheathed low smoke low halogen low smoke zero halogen sheath insulation fluorine plastic insulation Low smoke low halogen sheath fluorine plastic insulation Low smoke zero halogen sheath fluorine plastic insulation fluorine plastic sheath Single strand conductors without shielding NH - KVV NH - KV D Y D NH - KFV DNH KFY D NH - KFF single strands of copper conductor shielding NH - KVVP NH - KV D Y D P NH - KFV D P NH - KFY D P NH - KFFP single stranded conductor copper tape screened NH - KVVP 2 NH - KV D Y D P 2 NH - KFV D P 2 NH - KFY D P 2 NH - KFFP 2 soft conductor shielding NH - no KVVR NH - KV D Y D R NH - KFV NH - KFY D D R R NH - KFFR soft copper conductor shielding NH - KVVRPNH - KV D Y D RP NH - RP NH - KFY KFV D D RP NH - KFFRP no shielding NH - steel tape armoured KVV NH - 22 KV D Y D - 22 NH - KFV NH - KFY D - D - 22 of 22 NH - KFF 22 note: PVC insulation structure by using the 105 ℃ resistance fuel used for refractory compound insulation structure. Specifications: Section 0.5 0.75 1.0 1.5 2.5 4 June 15 mm 2 above and below 2.5 mm 2 class A 1/0.80 1/1.13 1/1.13 1/1.38 1/1.38 1/1.13 1/1.13 PVC fluorine plastic sheath PVC fluorine plastic sheath class B 19/0.1 19/0.2 19/0.2 19/0.3 19/0.3 19/0.2 19/0.2 4-2-2-61 core 37 core 27 Core 4-14 core technical indicators: Performance can project technical indicators conductor dc resistance (20 ℃) or less Ω/km nominal section 0.5 0.75 1.0 1.5 2.5 4 6 class A 36.0 24.5 18.1 12.1 7.41 4.61 3.08 39.0 26.0 26.0 13.3 7.98 4.95 19.5 B test voltage 3000 V / 5 min not breakdown insulation resistance M Ω 1000 km or more refractory characteristics through the class A, Class B (according to gb12666.5-90 test) passed class A (according to gb12666.5-90 test).
本公司生产的耐火型动力电缆为额定电压0.6/1KV铜芯电缆，还可以生产低烟无卤耐火动力电缆、高阻燃隔氧层耐火动力电缆，其耐火性能符合GB/T12666.6《电线电缆耐火特性试验方法》。因此，耐火系列动力电缆的整体性能优良可靠。
6、电缆长度：机械保护型电缆是根据相应基本电缆的标准长度制造1产品名称：矿用电话电缆矿用电话电缆MHYAV（20 30 50 ）X2X0.8 MHYA322执行标准MT818.3、用途:本产品用于井下作电话通信焊线、配线和用户线路。
In November 2008, China decided to invest 4 trillion yuan to tackle the financial crisis
缆芯表面采用非吸潮聚脂带或无纺布带绕包后再加挡潮金属屏蔽带纵包。外护套可制成聚乙烯或氯乙烯护套，自承式电缆是将缆芯与钢绞线平行挤制于同一“8字”葫芦形外护套之中。主要电气性能：1.屏蔽通信电缆直流电阻:20℃,0.4≤1480.5≤95.00.6≤65.80.8≤36.6。
射频电缆按绝缘材料分类塑料绝缘电缆、橡皮绝缘电缆及无机矿物绝缘电缆。射频电缆按柔软性分类柔软电缆、平软电缆及刚性电缆等。射频电缆按传输功率大小分类0.5千瓦以下的低功率、0.5—5千瓦中功率、5千瓦以上的大功率电缆。
11.电容的GND端**直接通过过孔进入内层地，不要通过铜皮连接，后者不利于焊接，且小区域的铜皮没有意义12.电源的连接，特别是从电源芯片输出的电源引脚**采用覆铜的方式连接13.PCB，即使有大量空白区域，如果信号线的间距足够大，无需表层覆铜铺地。表层局部覆铜会造成电路板的铜箔不均匀平衡。且如果覆铜距离走线过近，走线的阻抗又会受铜皮的影响。14.由于空间紧张，GND不能就近通过过孔进入内层地，这时可通过局部覆铜，再通过过孔和内层地连接。
Products: this spell GB1270 the rated voltage up to and including 35 kv plastic insulated power cable, copper, aluminum core production, at the same time also can according to user needs electricity union recommendation of IEC, English, Germany and the United States.
全蒴市话缆；HYA，HYAT，HYAC，HYA22，HYA23，HYAT23，HYA53，HYAT53，ZRC-HYA，ZRC-HYAT，WDZ-HYA，ZRC-HYA23MHYV，MHYAV，MHYA32，MHY32MHY32，MHYVR，MHYVP，MHYVRVV、MKVV22、MKVV3。
特性阻抗为120Ω的双绞屏蔽电缆广泛用于RS485/422、CANBUS等总线，该系列电缆规格很多，请提供电缆的敷设环境、通信速率、最大无中继传输距离等参数，我们将依照具体情况推荐最适当的产品。
ZR-BPYJVP3交联聚乙烯绝缘聚氯乙烯护套铝聚酯复合膜绕包屏蔽变频电力电缆。阻燃电缆：由于电缆线路起火带来的危害,促使****都把电缆的阻燃性放到日益重要的位置上，我公司生产阻燃电缆见表1－2。适用于交流额定电压U0/U=450/750V供电，监控等回路中。