Drop Optical Cable

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The products mainly include: layer stranded optical cable, central-tubed optical cable, ribbon optical cable, special optical cable, indoor optical cable, power optical cable.
It is mainly used for equipment connection between short distance in buildings, communication devices connection in bad environment, and mobile communication base station signals introduction.
The structure of the lead-in optical cable is: put the optical fiber unit into the middle of two non-metallic strengthening devices, then squeeze and lay a layer of LSZH out of it. The structure of self-supporting drop optical cable is: add the metal hanging line.

Cross-linking cables is a new type power cable. XLPE insulation are solid,

it is formed by polyethylene extrusion processing, cross-linked through chemical or physical methods. XLPE insulation has

excellent electrical properties, high insulation resistance, dielectric

constant and low dielectric loss tangent tangent value and high breakdown strength.
However, polyethylene is thermoplastic materials, which are hot plasticity,

when the cable pass high current at fault, the insulation will be deformities;

this is due to the molecular structure of polyethylene. The molecular

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Q:What is the use of wire and cable per square meter of residential building?
According to the provisions of GB-. pipes with a diameter of 15 mm can wear 3 BV-2.5 or 2 BV-4; and so on, 20 mm pipe, 3 * 4 or 4 * 2.5; 25 mm pipe, * 6 mm or 5 * 4; 32 mm tubing, wear 3 * 10 or 5 * 6; 40 mm tubing, wear 4 * 16 or 5 * 10; 50 mm tubing, wear 4 * 25 or 5 * 16 The The combination of the above, generally can be applied to all the current distribution lines of the way. As for the 35 square millimeters above the wire, the general use of cable laying, do not use PVC pipe, you can see the environment as a result of the application or wear pipe protection.
Q:1.2 meters below the road can use pvc tube wear armor cable?
Have to fight trumpet, mainly to protect the cable jacket is not scratched
Q:What are the requirements for the spacing between the strong and weak wires?
DIY notebook, I recommend you look at the Jingdong Mall, where there are genuine hardware and equipment, that is just the same as the same to buy back, you have to go home to assemble it! Such as CPU, graphics cards, hard drives, processors, heat sinks, monitors and the like can be bought
Q:Construction of hydropower embedded pvc pipe after the solidification of the pipe after the flat tube
It is not on the TV and set-top boxes with HDMI cable connection, so you can empty out the set of input link DVD
Q:20 tons of double beam traffic acceptance standards and content which
Data lines are not original, the proposed replacement, or for a better
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:Calculation method of wire and cable outer diameter
(In accordance with the power cable, single-core cable sheath of the nominal thickness should not be less than 1.4mm, multi-core cable nominal thickness should be not less than 1.8mm), the thickness of the jacket, 2. On-line measuring sheath thickness: Sheath thickness = (circumference after extrusion of the jacket - circumference of the jacket) / 2π or sheath thickness = (circumference after extrusion of the jacket - before the jacket Circumference) × 0 .. Insulation thickness of the most thin point: Nominal value × 90% -0.14. Single core sheath the most thin point: Nominal value × 85% -0.15. Multi-core sheath thinnest point: Nominal value × 80% -0.26. Wire armor: Number of roots = {π × (inner sheath outer diameter + wire diameter)} ÷ (wire diameter × λ)
Q:Dell laptop plug in the power supply usb can not be used, how is it?
It is generally not required to do so because the battery on the computer side of the charge side of the use of all right
Q:Wire inside the two lines, red and black, black line is the line of fire or zero line ah?
1 audio and video line of the problem (red and white) to connect the TV box set-top box that line to the cable or radio equipment store to buy a definite muscle wings can be Jiu sad snow on the line 2 TV bad to find TV manufacturers
Q:3 (WDZBN-YJV-4x240 + 1x120) cable how to interpret
3 halogen-free low-burn A-class flame-retardant cross-linked insulated PVC sheathed 4 main core per core 24 square millimeters, 1 ground 120 square millimeters cable.

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