Flame-retardent XLPE Insulated Power Cables for Coal Mining of Rated Voltage 8.7/10kV factory

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China main port
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TT OR LC
Min Order Qty:
500 m
Supply Capability:
50000 m/month

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Product Description:

Specifications

ISO9001:2008, ISO14001, APIQ1, CE
2.Rated voltage:8.7/10kV

 

1. Executive Standard

MT818.13-2009 (Chinese) Cables for coal mine part 13: Cross-linked polyethylene insulation power cables for coal mine rated voltage up to and including 8.7/10kV.

 

Produt Model ,Name and Use shown in Table 1

 

 

ModelNameUse
MYJV22XLPE insulator PVC sheathed power cable for coal miningMainly used for laying indoors and in the tunnel and pipelines. The cable can not bear greater external machanical forces
MYJV22XLPE insulator steel tape armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can not bear greater machanical tension, but certain machanical pressure
MYJV32XLPE insulator thin steel wire armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can bear greater machanical tension and certain machanical pressure
MYJV42XLPE insulator thick steel wire armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can bear certain machanical pressure and greater machanical tension

 

Product Insulation Thickness shown in Table

 

 

 

ModelNominal section(mm2)Conductor DC resistance at 20°C(Ω/km)
No Tin Plating
MVV
MVV22
1.512.1
2.57.41
44.61
63.08
101.83
161.15
250.727
350.524
500.387
700.268
950.193
1200.153
1500.124
1850.0991
2400.0754
3000.0601

 

 

 Flame-retardent XLPE Insulated Power Cables for Coal Mining of Rated Voltage 8.7/10kV factory

 

 

2. Product Working Conditions

(1) The Maximum rated working temperature of the cable conductor is 90 °C.

(2) The Maximum temperature of the cable conductor is 250°C, when it is short-circuited( the longest duration time is 5s)

(3) The Minimum bending radius of the cable is 15 times of the diameter.

 

3. Packaging

   (1) The cable drums for delivery should comply with the requirements of JB/T 8137.

   (2) The coils of cable should be neatly wound on to the cable drums for delivery. The cable end should be tightly encapsulated.

   (3) Only the cable of the same model and specifications is allowed to be wound on to one cable drum.

   (4) The cables provided in rolls or bunches should be packaged in a proper way. The weight of every roll should not be more than 80kg.

   (5) The cable drum should be attached with the packaging signs prescribed in 8.4 and indicate its right rotation direction.

 

4. Transport and Storage

The cables should adjust to all the transport means including the water, land and air transport. In the process of transport and storage, great attention should be paid to:

(1)                                                                                                                                                                     Preventing moisture from entering into the cable.

(2)                                                                                                                                                                     Preventing severe bending and other mechanical damages.

(3)                                                                                                                                                                     Preventing high temperature and exposure to the sunlight.

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This model is soft wire, double core. The cross section is 1mm2. The conductor is copper, the insulation sheath is PVC material.
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No it doesn't matter which terminals the 2 black wires go into as long as one of them is in the Live and one in the Neutral. The other is as you've correctly put, the Earth. If the fitting has a terminal to put an Earth cable then it should really have one fitted. It's a safety issue there to help prevent you from getting a fatal electrical shock if the fitting should go faulty. Disregard at your peril! Not all light fittings need an earth but those that don't will not have an earth terminal and are what they call double insulated (on the fitting there will be a symbol of two squares one inside the other) I would strongly advise ensuring you have one fitted.
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Commonly used totem cabinet line shape has a positive line, reverse line and waterfall modeling three, you have mastered it? Let's take a look at it
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If the walls are open to the studs then $200/ box is what I would probably bid for that type of job. So 21 boxes at $200 about $4000 and that does not include special devices or fixtures. Copper wire is expensive now compared to 10 years ago but the main cost is the labor. Mobile homes are a pain to work in.
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That's a new one on me. It seems to mean wrapping into a long bundle without using a spool. I've done that with wire lots of times but never knew it had a name! As for it's origins, who knows. I'd guess it's an old sailors' term for a way of wrapping up a rope.
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Good choice of wire gauge and breaker for 4 outlets. Run wires as you stated to the first outlet using the bottom screws. Start the run for the next outlet using the top screws and do the same at every box. Do not use the convenient stick-in connections, use the screws for better continuity and voltage transfer. Last but not least, make sure the ground is firmly connected to each outlet and to the ground bar of the breaker box. Buy a lighted plug-in circuit tester at the hardware store and check the continuity of every outlet after wiring. If you have the polarity off or a ground not connected, it will tell you very quickly. They are only a few bucks and well worth it for troubleshooting circuits.
Q:Trying to find a source of info as to how high speed internet travels through home 110v electrical wires.?
Hi! okorder
Q:electrician / electrical wiring question / wire connectors?
In my opinion, these things Quik-Conns, are trouble. The safest, best way out of this is to call a pro. The reason why is that the NEC does not allow a GFCI receptacle on with a lighting circuit. If you have a stack switch/GFCI receptacle, you will notice that there wires coming from the switch part while the GFCI has screw terminals. This is so they shall be kept separate. Good luck in all you do and may God bless. EDIT: The only acceptable way to remove wires from them is to cut them loose. If you pull, tug or jerk them out, you will actually loosen the tabs that make contact, thus causing a loose connection which leads to them overheating. Heat cause fire. Get the point? If you have to do this, Cut them. Strip 1-1/4 of insulation off of the four existing wires and 1 pig-tail. Twist all 5 wires together, cutting off the excess. Install a Big Blue wire-nut. I advise against doing it this way, as it will not meet the National Electrical Code, and insurance companies look for ANYTHING to deny a claim.
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Need more detail for a good answer. What is the amp rating of the welder and air compressor? Also, will any of the 120 volt outlets be dedicated to single pieces of machinery, particularly high ampacity tools? if you are going to have any of them feed pieces of equipment (like a lathe or drill press for example) that outlet should be on it's own circuit. if these are just outlets for portable tools like drill motors or a skilsaw, you could have all of them on one circuit, technically. But I would split it between at least two circuits so if you overload one the other stays hot. Same with the lighting, you could put 8 two lamp fluorescents (I presume you are planning to use 2-lamp 8' fixtures with F54T8 lamps) on a single 20 amp circuit but I would suggest two 15 amp instead, That way you can turn half or all of them on for efficiency. Can't give you service size without knowing the ratings on your equipment. A 60 amp subpanel is usually more than enough for a shop that size. You also didn't mention other potential loads like overhead door motor, electric water heat for shop sink, echaust fans or electrically powered heating units. Have you accounted for everything?
Q:Can grey duct tape be use to put electrical wires together instead of black tape.?
No.

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