Rated voltage up to and including 35kV mouseproof or termiteproof powercable

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使用特性 Operating characteristics
·电缆导体的长期最高允许工作温度:
Max.permissible continuous operating temperature of the conductor.
聚氯乙烯绝缘不超过70,交联聚乙烯绝缘不超过90。
PVC insulated:70,XPLE insulated :90
·短路时(5秒内)最高温度
Max.short-circuit temperature of the conductor (5s )
聚氯乙烯绝缘不能超过160,交联聚乙烯绝缘不超过250。
·电缆敷设温度不能低于0。
·The ambient temperature under installation should not below 0。
·电缆的弯曲半径为:
·The bending radius of a cable 。
·单芯电缆不小于电缆外径的20倍;多芯电缆不小于电缆外径的15倍;
·single –core cables should not less than 20 times of the cable diameter , others not less than 15 times of the cable
·防鼠电缆经国家电线电缆质量监督检验中心及上海医科大学动物试验研究所试验合格
具备国际同类产品的先进水平
Mouseproof cable is eligible ,because they have passed the mouseproof examination of national quality test center of wire and cable and animal experiment graduate school of university of medicinal science in Shanghai .
·防蚁电缆通过国标GB2951.38-86《电线电缆白蚁试验方法》的检验。
Termiteproof power cable is passed through GB2951.38-86.
·采用先进的化学防鼠防白蚁方法,具有易加工、易施工、易维护、重量轻等优点。
Adopting advanced chemic way of ratproofing ,mouseproof or termiteproof cable have many virtue ,such as easy machining \construction 、easy maintenance and light weight etc.
·具有低毒、无污染,不会对环境及人体造成二次灾害。
They have lower wirulence and cannot bring pollution ,moreover cannot bring twice disaster to people and entironment.
·防鼠 防白蚁有效期长,可达二十年以上。
They have awfully longger period of validity on mouseproof or temiteproof hand, their period of validity are all of twenty years.
·可根据用户要求生产具有耐火、阻燃特性的防鼠电线电缆。
Our company can product fire – retardant and flame – retardant wire and cable according to user requirement.


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Q:How to identify the quality of the lock of the hotel lock?
PE cable that waterproof cable can be a short time to soak the water PE water pipe is used to transmit water to the water pipe than the requirements of the drainage pipe than the cable all PE high hardness
Q:How to connect the power cable pre-branch connector
Pre-branch cable should be fully cooled before the plate can be installed, otherwise it will cause the connection flat, affecting the appearance of packaging should pay attention to branch and trunk The end of the seal, to prevent the core of the water
Q:What is the difference between VV22 and VV62?
Cross-linked power cable heating the main reason there are . the choice of continuous allowable current is less than the load of the maximum continuous current power cable; . the power cable in the implementation of the cable for cold contact, the use of crimping pliers die too large, leading to copper . the air switch input and output and cable copper nose connection, the choice of non-standard flat gasket or no spring gasket; . the air switch input and output side of the cable and cable core crimp is not solid and reliable; When the cable is connected to a strand, the air switch bolts are not tightened. . high-power UPS running, the filter cabinet is not put, n harmonic effects of cable overload, neutral overload, serious lead to cable breakdown, and a fire hazard. . the power cable along the building facade iron cabinet box laying, the surrounding environment is not ventilated, poor heat dissipation. Select the power cable should consider the following factors: . the rated voltage of the cable is greater than or equal to the rated power supply system power supply system; . the cable can continue to allow the current to be equal to or greater than the maximum load current load; . Power supply system short-circuit stability requirements; . according to the length of the cable to determine whether the voltage drop to meet the requirements; . the end of the line minimum short-circuit current should be able to protect the device reliable action. . a high degree of breakdown strength; . low dielectric loss; . a very high insulation resistance; . excellent resistance to discharge performance; . with a certain degree of flexibility and mechanical strength; . long-term stability of insulation.
Q:Cable yjv-0.6 / 1kv-4 * 120 + 1 * 70 What does it mean?
Note: Refer to 10kV and below Cable Trench Construction Standard and Acceptance Specifications Chapter III Cable Trench and Well Construction Standard Article 3
Q:Power cable inspection, how many meters should be sampled?
in the wide-linked pricing software GBQ40 to achieve, directly enter the corresponding quota, click on the quota below the" standard conversion ", the cable laying five core check , You can achieve the fixed sub-sub-multiplied by the coefficient of 13 For example: YJ - cross-linked polyethylene insulation (insulation) V - PVC jacket (outer jacket) did not mark the conductor material that is the default copper wire, if the aluminum wire should be YJLV4 * 70 + 1 * 35 core (Mm ^ 2) + Neutral core (indicated by "1") × Neutral core cross section (mm ^ 2) CT - Indicates the cable tray in the laying mode
Q:Power cable ZRYJV-4x70 + 1x35 What does it mean?
2 cable in a variety of environments in the laying of the layout, spacing should meet the design requirements
Q:The telephone line, TV line, cable, power lines are worn to a wire tube, what will happen?
This is the wiring of the cable wiring formulas: the next five is 10 square below the current per square 5A current wiring, one hundred and twenty is more than 100 square per square 2A, 25335 three circles, meaning 10 (Excluding) or more, 25 square feet per square 3A wiring, 35 square (inclusive) or more, 100 square (excluding) the following per square 4A line, that is, 25 square feet, 35 square feet per square by 3A or 4A wiring line.
Q:The difference between power cable and overhead cable
Insulation structure is not the same, the number of core is not the same. Power cable generally 3-4 phase, overhead cable general core. Power lines can be divided into overhead lines and cable lines. Overhead lines with less investment, easy construction and maintenance, easy maintenance and repair advantages, the disadvantage is the natural conditions (wind, snow, ice, lightning, etc.) have a greater threat to operational safety. In order to save the country's construction funds, the general use of overhead lines is appropriate. However, when the conditions are subject to restrictions (such as overhead lines laid in difficult or special requirements), the use of cable lines. Cable and overhead lines compared to poor heat dissipation, it should be considered in the short-circuit conditions of thermal stability. Therefore, in addition to high-voltage cable cross-section in accordance with the economic current density, allowing voltage loss, long-term allowable current selection, but also according to short-circuit thermal stability conditions for verification.
Q:Power cable YJV22-8.7 / 15kv-3 * 300 what meaning
(Including the insulation layer) of the total area should not be greater than 40% of the internal cross-section; . the tube wire is not allowed to have joints and twist the phenomenon; . the same loop of the phase of the wire, Regardless of the number of roots should be penetrated into a tube, and different circuits and different voltage lines are not allowed to wear a tube, AC and DC line wires shall not wear a tube, a phase line are not allowed to penetrate alone Steel Pipe. If the requirements are not strict, the power cable, the control cable can wear the same tube; but the signal line will be discretionary, although the signal line is shielded cable, but in order to maximize the signal transmission quality, and other signal lines are generally layout. UPVC plastic pipe with excellent insulation, acid, corrosion resistance, many chemical plants used as infusion piping. The other is also used for sinking engineering, medicine piping works, mineral salt water piping works, electrical piping works. Also widely used as a telecommunications cable. So it can be UPVC pipe to do electrical piping. As for the galvanized steel pipe is not necessary. If the power cable and signal cable at the same time with UPVC pipe laying, were classified separately perforated, the best interval between the two 20cm to prevent interference, with galvanized steel pipe pipe is not necessary so care.
Q:Lighting wire, I do not know is it. The When to use BV1 * 2.5, when to use 2 * 2.5, when to use 3 * 2.5, when to use 4 * 2.5,
Why did not you take this time when you were installed or that it was only a detour

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