PE insulated PE-sheathed power cable

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Detailed Product Description
Al conductor
PE insulated
for laying indoor and outdoor
cheap
Standard compiled with:
GB/T12706-2002 Power cables with extruded insulation and their accessories for rated voltage from 1KV (Um =1.2KV) up to 35KV (Um =40.5KV)
IEC60502-1997 Power cable with extruded insulation and their accessories for rated voltage from 1KV up to 30KV
Service performance
Operating temperature:

Max permissible continuous operating temperature of conductors: 70°C.
Short circuit temperature of conductor:
Max short circuit temperature: 160°C. (less than 5 second)
Laying temperature:
The laying temperature is less than 0°C.
Laying condition and its parameters when current capacity of cables is calculated:

Method of laying

Basic ambient temperature

Soil thermal resistivity

In air

40°C

---

Direct burial

25°C

1°C·M/W

Layout of cables:
Single core cables: In parallel (spacing side by side=1D D-0verall diameter)
Multi-core cables: laid individually

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Q:What does ZR-YJV 6mm2 * 3 cable mean?
The initial also said that car 3S brand stores, mainly refers to the front of the three S
Q:The computer host is always start to stop, resulting in the last can not start. What is going on?
Do not worry, no problem, the power cord can withstand the general high temperature, not recommended to use extension cord, the more joints more easily lead to some inexplicable problems.
Q:Cable yjv-0.6 / 1kv-4 * 120 + 1 * 70 What does it mean?
There is no difference between BTTZ25 square can only do single core. BTTZ is a kind of outer layer with seamless copper tube jacket, the middle filled with magnesia crystal powder as insulation material, the conductor is a single strand of copper rods composed of new cables, in recent years are also more used in high-rise buildings, airports, Underground railways and other places, to protect the fire in the case of fire pumps, fire elevators, local lighting, emergency evacuation instructions, security monitoring, anti-smoke system and self-powered power and other important equipment uninterrupted operation. The main features of the editor it has a high temperature, fire, explosion, no combustion (250 ℃ can be a long time running, 1000 ℃ limit state can also be 30min short time operation) and the current flow, small diameter, high mechanical strength , Long service life, generally do not need the characteristics of independent grounding wire. Application range Editor Widely used in nuclear power plants, metallurgy, chemical industry, mine, kiln and other dangerous, bad, high temperature environment. In recent years, more applications in high-rise buildings, airports, docks, subway and other places, to protect the fire in the case of fire pumps, fire elevators, local lighting, emergency evacuation instructions, security surveillance, anti-smoke system and self Power and other fire fighting and important equipment without interruption.
Q:"Cable laying" cable cross-sectional area refers to the cable cross-sectional area, or refers to the copper core cross-sectional area
YJV22 indicates "copper core XLPE insulated, steel tape armored PVC sheathed power cable" 0.6 / 1KV indicates its pressure rating, 5 * 10 represents the cross-sectional area of each wire diameter Is square mm, referred to as the square, the diameter of the conversion is 4.05
Q:How long is the service life of the cable?
For corrosive environments, cable trays with suitable corrosion resistant coatings should be used
Q:Ask you a question: how the computer CD-ROM power supply 5V and 12V two lines? Another audio and video cable which group?
Cable bridge at both ends to be installed across the ground wire, ground wire diameter can not be less than 16mm2. Wire ends and wire ends of the middle box to be installed at both ends of the ground wire, grounding wire diameter can not be less than 6mm2. Full length bridge with the grounding system connected to not less than 2. Cable bridge is divided into trough, tray and ladder-type, mesh and other structures, by the bracket, arm and installation accessories and other components. Can be set up independently, can also be attached to a variety of structures (structures) and corridor stent, reflecting the structure is simple, handsome in appearance, flexible configuration and easy maintenance features, all parts are required galvanized, installed in the building Outside the bridge, if it is in the vicinity of the sea or belong to the corrosion area, the material must have anti-corrosion, moisture resistance, good adhesion, high impact resistance of the physical characteristics. According to the relevant provisions of the specification, galvanized cable bridge for a good grounding. galvanized cable tray direct board each fixed bolt contact resistance should be less than 0.005Ω, then the cable bridge can be used as a ground trunk (dusting cable tray should not be used as a grounding line), the resistance of each cable bridge can be the following formula Calculate: r = ρ · L / S where: ρ = 15 × 10Ω-6 / cm (20 ℃); L = length calculated by 100mm; S = cross-sectional area of ​​cm2. The unit resistance value of the ladder on the pallet is shown in Table 2. The unit resistance value of the cable duct is shown in Table 3 The resistance of each ladder (or each cable slot) after the installation of the cable tray is the total: R = R (r + 1 / 3r ') where: R - ladder, that is, (cable trough) total length of the total resistance (mΩ); r - ladder unit length resistance (mΩ / m)
Q:The difference between power cable and overhead cable
His answer is correct! There is overhead cable generally use aluminum core conductor! Because light weight Overhead cable under normal circumstances are 6kV below the cable! If the voltage level is high, you need to do special craft production!
Q:What does the cable ZR-YJV22-4 * 16 mean?
Copper core flame retardant XLPE insulated PVC sheathed power cable, three core, 6 square
Q:Power cable yjv22-10kv-3 * 50 what it means
This model is called copper core XLPE insulated PVC sheathed steel tape armored 3 core, each core conductor size 50mm. the cable voltage is 10KV cable. YJ: cross-linked polyethylene, cable insulation material for the chemical cross-linked polyethylene V: PVC, cable inner jacket material for the PVC jacket material first 2: plating Zinc steel strip, cable armor layer material for the galvanized steel strip Second 2: PVC, cable outer jacket material for the PVC sheathed material 10KV: that the use of the voltage of the cable waiting for you 10 kV 3 * 50 : That the cable is 3 core, each core conductor section 50mm2
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

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