Copper core copper sheathed mineral insulated cable

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m
Supply Capability:
30000 m/month

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Product Description:

 Product Introduction:

Mineral insulated cables referred to as MI cable, wiring when in use, the domestic habits called Magnesium Oxide cable or cable fire. It is composed of mineral material of magnesium oxide copper conductors of the cable insulation, mineral insulated cables with copper conductor, Magnesium Oxide copper sheathed, two kinds of inorganic material.

Mineral insulated cable in foreign developed earlier, as early as the late nineteenth Century a Swiss engineer Arnold Francois Borel proposed the idea of mineral insulated cable, and obtained a patent in 1896, after 1934-1936 years of France, Britain have been the rapid development of production, the major industrial countries, plus, Macao, beautiful, Su, day one after another the development of production, China is in on century sixty's development and production, at the end of twentieth Century began mass production, in twenty-first Century into the national code for design of fire use and a large number of at home.

 

Operating Characteristics:

 

1, to ensure the safety of the person, property location. Such as: Bank, theatre, museum, airport, subway, high-rise buildings and other important facilities.
2, risk and fire, explosion-proof, anti-corrosion and other places. Such as: LPG station, gas station, ships and the marine petroleum platform, large warehouses, substation and all the necessary fire and explosion safety.
3, all high places. Such as: metallurgy, chemical industry, shipbuilding, pharmaceutical, mining, nuclear power plant etc..
4, important facilities and permanent building etc..


Specification:

 

Type

Name

Rated voltage

Core

nominal cross(mm2)

BTTQ

Light copper sheathed mineral insulated cables with copper core

500V

12347

14

BTTVQ

Light copper core PVC jacket copper sheathed mineral insulated cable

BTTZ

Heavy copper sheathed mineral insulated cables with copper core

750V

12347

1400

BTTVZ

Heavy copper core PVC jacket copper sheathed mineral insulated cable

 Note: model, name and scope of use (omitted)

 

 

 

 

Copper core copper sheathed mineral insulated cable

 

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Q:The wall was sideways opened a trough how to do ah?
With steel wire, lead the bend round, but do not let the wire can hold the pipe wall, and sometimes also need two twisted wire, wire over the past OK
Q:Whether high voltage cables can be built in belt corridors
Power cable accessories are divided into several types, commonly used is heat shrink cable accessories, cold shrink cable accessories. (1KV, 10KV, 20KV, 35KV), several models (indoor, outdoor, intermediate connection), each containing the components are not the same, but there are all kinds of cold Heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable tube, sealant and other operating accessories.
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:Power cable inspection, how many meters should be sampled?
in the wide-linked pricing software GBQ40 to achieve, directly enter the corresponding quota, click on the quota below the" standard conversion ", the cable laying five core check , You can achieve the fixed sub-sub-multiplied by the coefficient of 13 For example: YJ - cross-linked polyethylene insulation (insulation) V - PVC jacket (outer jacket) did not mark the conductor material that is the default copper wire, if the aluminum wire should be YJLV4 * 70 + 1 * 35 core (Mm ^ 2) + Neutral core (indicated by "1") × Neutral core cross section (mm ^ 2) CT - Indicates the cable tray in the laying mode
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:Power cable 5-color line, respectively, what color, what role?
Copper core cross-linked polyethylene insulated double steel tape armored PVC sheathed power cable, rated voltage 8.7 / 15KV, three core, conductor cross-sectional area of 300mm2
Q:What type of cable is the power cable?
Now you have seen what products are not 3c certified? But most of them are fake. Messy on it. Who will check this?
Q:Paint trunking, galvanized trunking: that good? expensive? Their advantages and disadvantages?
Because the AC operation will produce eddy current, will make the steel pipe and cable heat burned. Single core refers to only one conductor in an insulating layer. When the voltage exceeds 35kV, most of the single-core cable, its core and metal shield layer relationship can be seen as a transformer primary winding coil and the relationship between the core. When the single-core cable core through the current when there will be magnetic lines linked to aluminum or metal shielding layer, so that both ends of the induced voltage. Power safety regulations: 35kV and below the voltage level of the cable are used at both ends of the grounding method, which is because most of these cables are three-core cable, in normal operation, the current flow through the three core sum of zero, in the aluminum There is no flux chain outside the package or metal shield, so that there is essentially no induced voltage at both ends of the aluminum or metal shield, so there is no induced current flowing through the aluminum or metal shield after grounding at both ends. But when the voltage exceeds 35kV, most of the single-core cable, its core and metal shield layer relationship can be seen as a transformer primary winding coil and the relationship between the core. When the single-core cable core through the current when there will be magnetic lines linked to aluminum or metal shielding layer, so that both ends of the induced voltage.
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
A fiber into the machine room, advanced ODF fiber wiring box, and then through the pigtail to SDH photoelectric conversion into electrical signals, and then through the 2M line in the DDF frame (DDF frame is a transfer), and then to the BTS

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