Assembled Prefabricated Branch Cable Assembling

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Shanghai
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TT or LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

Assembled Prefabricated Branch Cable Assembling

 

Characteristics of the cables
                  1. Using factory prefabrication methods can substantially reduce the site construction labor intensity and shorten the construction laying time;
                 2. Use of cables can guarantee great length and bending property, and greatly facilitates the construction in a complex place;
                  3. Use of cables reduces the laying space, and cables can be installed together with gas and hydraulic gas pipelines;
                4. Their reliability and reliability can be fully guaranteed, for the cables are manufactured in the factory,
                5. Sub-branch parts should use high strength sealed joints, which are waterproof and have properties of moisture protection, long-term maintenance and free for repair; 
                6. Because the cables are directly connected with households with no need of maintenance and repair and with easy and simple construction, the cables can produce significant comprehensive economic benefits.


Usage of the cables:
              1. To be used for high-rise building;
                2. To be used for disaster prevention equipments;
                 3. To be used for tunnel lighting and disaster prevention equipments;
              4. To replace copper bus bar with small or medium capacity in various places. 


Standards of the cables
                 IEC 60502 Rated Voltage 1 ~ 30KV extruded insulated power cables and accessories (International Electrotechnical Commission standards)
                GB 12706 Rated voltage 35KV and below Copper core, Aluminum core plastic insulated power cable (National Standard of the People's Republic of China)
                  JCS 376 branch cable (Japanese Electric Wire Industry Standard) 


 
Types of the cables::
Standard main cables and branch cables are all low-voltage power cables with XLPE or PVC insulation materials (IEC, GB, JIS, BS ... ...), and PVC materials covered on the outer side. Generally, the main cable is single-core or twisted multi-core cable (cables with two to five cores), the branch cables are single-core cables, and may adopt a fire-resistant, flame retardant cables in accordance with the requirements.

 

 

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Q:How to connect the power cable pre-branch connector
Pre-branch cable detection: a In addition to routine pressure test, it is necessary to increase the insulation resistance test, with a shake table can be completed in each branch after the completion of injection The table measures the insulation in the finished product After the pressure is also used to detect the insulation of the table to prevent the water cooling process in the branch of the water caused by short-circuit, the general AC voltage test can not detect, can only increase a set of table detection process B Core conduction detection, In each branch body should be tested with the trunk of the conduction test to prevent the production process due to improper operation caused by the branch and the trunk circuit
Q:What is the difference between a pre-branch cable and a punched clip?
Cable bridge is used to support and protect a variety of cables, in power plants, substations, large industrial and mining enterprises, high-rise buildings are widely used. But are a one-time infrastructure in place, usually no longer replace and add.
Q:Apple mobile phone does not support this charge when charging this thing how to charge
People say is right, double heat is not good, line loss big
Q:Power Cable Check Well b-type covers show what?
Indicating the carrying capacity of the covers, according to "People's Republic of China town construction industry standards" to understand that: steel fiber reinforced concrete inspection covers are divided into A, B, C, D four
Q:Where the computer can be a bare chassis. Which hardware inside the framework
It is best not to use this, because you have no way to test the signal line. There are special 10 line 8 line terminal telephone switch patch panel
Q:What is the wiring principle in the home improvement circuit?
This is not the end of the family with a good audio and video lines are thousands of dollars I do not know what kind of advice you want to go to the local workers Duan Gengmang Gama moths tied to the supermarket stall can find!
Q:How to find the phone number on the 110 patch panel
Cable ends should be marked with cable head symbols, the middle line should also be different from the ordinary wiring. Bv at the beginning of the general wire, with YJV or vv is generally a cable, but not limited to these
Q:Water and electricity installation drawings in the kz on behalf of what material of the threading tube
Color line, HDMI cable, S-terminal line of the three transmission video signal (HDMI can also transmit audio signal); coaxial line is the transmission of audio signals
Q:Wire and cable manufacturing process (to be detailed)?
Tell you an electrician commonly used "empirical formula": as long as the copper wire, cross-sectional area per square millimeter can be safely through the 4 - 5A rated current; in 220V single-phase circuit, the power per 1KW, the current For the 4.5A or so, in the 380V three-phase balanced circuit, the power per 1KW, the current is about 2A, the above values can be calculated using the physical formula is very close to the results, so the electrician at work, in order to Do not remember those "cumbersome" formula, remember that these can. Then according to this algorithm to know: every 1 mm square cross-sectional area of the copper wire, if used in 220V single-phase circuit, you can safely carry 1KW load through the current, if used in three-phase balanced load (such as motor) Circuit, you can safely carry 2.5KW load through the current
Q:Copper core power cable laying cable sets what fixed
SDH is a synchronous time division multiplexing device, the electrical interface of the 2M signal into the optical interface of the high-speed signal (the use of digital fiber optic patch panel SDHsynchronousdigitalhierarchy) 155M, 622M, 2.G, 10G, etc.). 2 trillion of the signal can be in the DDF above jumper, easy to connect. The optical path signal is spanned on the ODF and is interconnected with the optical interface of the cable or other device. Usually with the network, telephone, etc. are specific business, their communication distance is limited, are generally carried through the transmission network to expand the communication capacity, extending the communication distance. SDH is the main equipment of the current transmission network. DDF and ODF are mainly used in the machine room. The physical interface between devices is BTS-DDF-SDH-DDF-BSC-ODF-MSC or BTS-DDF-SDH-ODF-BSC -ODF-MSC Of course, bsc and msc may also have a section of ODF-SDH-ODF, see the specific circumstances

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