The polyvinyl chloride controls the cable insulatingly

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Shanghai
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100 m
Supply Capability:
100000 m/month

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Product Description:

The cable longs run , the highest working temperature can't exceed 70 , does not exceed 160 while holding up in 5 seconds, The cable is not limited by the drop when being laid, environmental temperature is not lower than 0 when laying. Minimum crooked radius of the cable while laying: It is in single core cables 20( D + d), mm, multicore cable( D + d), because mm,( d respectively from cable and actual external diameter of conductor in D of 15, If the leading body is not a round, then d =1.13 √S.S take as the leading factor body marked and claims the section, unit mm2)

 

Lay and require insulating and regularly with the performance of the electric wire:
1 Allow working temperature for a long time:
BV-90, RV-90 type are at the time of using normally, high temperature the most of conductor is 90
. Use as right to use of the cable environment can prevent from hot to mould and flow and permit and reduce insulating situation of resistance, The PVC mixture that can be used in 90 in succession , base on the premise of always shorten working timing, Its working temperature can be improved to 105 . Other types should not exceed 70
(2)The temperature of laying of the electric wire is not lower than O , allow the crooked radius: The person who smallers than 25mm should not be smaller than 4D for the external diameter of the electric wire( D), the external diameter of the electric wire( D) is not smaller than 6D for 25mm and the above person.

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Q:Calculate the control cable under what circumstances the cable terminal needs to be calculated
" Why should the closed wall or protective wall closed on the second side of the closed junction box? This need to understand if you do not add this closed junction box, what kind of harm Civil air defense project in the closed wall is divided into the clean area and the area of ​​the infected area, and the wire tube in the thread after the inside is a cavity, directly through the wall to communicate with the cleaning area and exposed areas, so wartime works outside the dyeing The poisonous air can penetrate into the clean area through the cavity inside the wire tube, which is harmful to the personnel inside the project And the installation of a sealed junction box, you can thread in the line after the box filled with sealing material to block the tube cavity connectivity This is why the electrical safety pipe in the air defense project must pass the closed wall or protect the closed wall when the two sides must be closed in the closed junction box reasons
Q:The power cable troughs are divided once and twice
Can be used for overhead, buried and pipeline laying of the cable line
Q:Will the computer master, external DVD burner how external power supply, please click details. Thank you!
Do not say the price of the words than the single-core cable better than the single, the other is not much difference, personal hobbies. I have installed and met 90 percent are equipped with multi-core line!
Q:What is the radiation of the laser scanning scanner?
Semi-conductive shield The semi-conductive shield is usually disposed on the outer surface of the conductive core and the outer surface of the insulating layer, referred to as the inner semiconducting shield and the outer semiconducting shield, respectively The semiconducting shield is made of a semi-conductive material with a low resistivity and a low thickness Internal semiconducting shielding layer is to uniform the outer surface of the electric field, to avoid the conductor surface is not smooth and the core stranded by the air gap caused by the conductor and insulation occurred partial discharge The outer semiconducting shield is in good contact with the outer surface of the insulating layer and is electrically connected with the metal sheath to avoid partial discharge of the metal sheath due to defects such as cable insulation surface cracks For non-metallic jacket in the low-voltage power cable, in addition to the semi-conductive shielding layer, but also to increase the metal shield Metal shield is usually made of copper or copper wire wrapped around the main play the role of shielding the electric field
Q:Hello, ask about how to charge the electric car at home, use a few square millimeters of wire? How high is the demand for family lines, thank you!
PLC and computer communication cable, different manufacturers of PLC connection is not the same
Q:Why does the sparrow stand on the wire without electric shock?
AC power is a two-phase exchange of the power system, itself is positive and negative exchange, the electromagnetic effect can almost count the daily life of the free radiation are more than this number, and can rest assured that the general life supplies, the larger electromagnetic radiation from the DC Of electrical supplies, which only need to pay more attention
Q:Choose the configuration of good or bad computer graphics card memory processor, etc., how to choose a different manufacturers
Said cross-linked polyethylene insulation, double steel armor, PVC outer jacket. Voltage level 0.6 to 1 kV, 5 core, cross section 10 square millimeters. About four centimeters in diameter.
Q:TV tiger when the set-top box when tv / ay look for a look on the platform
Cable 2 * NH-KW2 * 1.. the first two said two cables, KW is KVV said PVC insulated jacket control cable,
Q:How high voltage armored power cable is grounded
Copper braided wire for cable and shielding lead wire. Stripped of the core of the copper shield with the outer layer of the plastic belt, the shield copper belt polished smooth, with electric iron, solder braided copper braid were welded in the three core copper shield tape. And then use the emery cloth polished armored steel strip welding area, with a soft copper wire and copper shield belt tied with three armored steel, and then use electric iron, solder braided copper braided with armored steel belt. In the sealed ground to fill the braided wire with solder to form a moisture-proof section.
Q:Can 110kv and 10kv cables co-share with trenches? What is the relevant specification?
According to Article 22.7.1 of the Electrical Design Code for Civil Buildings JGJ16-. the transmission lines and the electronic information system transmission lines shall be laid separately and shall be shielded when they are close to the laying of them in parallel by the construction conditions. High-voltage cable under normal circumstances is not allowed and weak cable with the ditch laying. If the relevant control cable does need to be with the high-voltage cable ditch, should be laid on both sides of the laying and keep the distance, but also pay attention to control cable shielding measures.

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