Aerial insulated Cable-type B

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Product Description:

The cables are designed for aerial power lines and with rated voltage equal to 10(12)kV.

Rated voltage is 10kV

Max.Continuous permissive working temperature of conductor:

XPLE insulation should be not more than 90C

Max. Temperature at short circuit (the longest continuous time is not more than 5S)

Installation temperature of cable should be not less than -20
Permissive

Permissive benging radius of cable should be not less than 20(D+d) mm.
D -the actual overall diameter of cable ,mm;
d-the actual overall diameter of conductor ,mm.

Insulation resistance of common insulation construction of aerial cable should be not less
than 1500M *km, and insulation resistance of thin XLPE insulated construction of light aerial
cable should be not less than 1000M *km.

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Q:Power cable ZRYJV-4x70 + 1x35 What does it mean?
51 laying of cables 511 cable laying should meet the following requirements: 1 cable type, specifications should be consistent with the design requirements
Q:How to determine whether the square of the cable is standard
Depends on your number is not arranged in order, the general building room when the patch panel and the user board number is one to one correspondence
Q:The wall was sideways opened a trough how to do ah?
The copper core grinding first to the copper core on the flux (rosin or solder paste)
Q:Fourth, what causes the power cable fire accident
Once the cable in the event of fire, the fire ferocious, rapid spread, in the burning will occur when a large number of harmful gases, resulting in fighting difficulties
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:A sub-eight splitter, behind the link ONU equipment, which also need to add fiber patch panels, or can be directly connected?
Cabinets Half Week + Line (Horizontal + Vertical) + End Range Cabinets Half Week Long or Longer to Equipment Reserve + Quota Total Length * 2.5%
Q:What is the heat of the cross-linked cable?
General model: SYV75-X (X on behalf of its insulation diameter 3mm / 5mm, the greater the larger the diameter of the larger) SYV S --- coaxial RF cable, Y --- polyethylene, V --- poly Ethylene
Q:What is the difference between a trough bridge and a tray tray?
The line is to be reserved, the installation will have a certain degree of tightness
Q:What is the difference between a shielded cable and a control cable?
I do not know, I do the task, although we also engage in cable
Q:The power cable troughs are divided once and twice
The function of the cable connector is used for the protection of the cable

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