Products
Low Voltage Cables
Low Voltage Cables
Low Voltage Cables
Voltage: 0.6/1KV
Structure: Conducor Copper
Fire Resistance MICA
Insulation PVC
Jacket PVC
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Scope of application

System

This product is suitable for transmitting electric energy in power lines with AC 50Hz and rated voltage 0.6/1kV (system maximum voltage 1.2kV).

Occasion

Fixed laying in metallurgy, electric power, construction and other industries indoors, cable trenches, pipelines, direct burial and other occasions that require fire resistance and do not need to withstand mechanical external force.

Features

The raw materials for product production are widely sourced and cheap, and are easy to process and manufacture.

The product has certain fire resistance and can continue to operate for a certain period of time in a fire.

Standards Compliant

Implementation Standards

GB/T 12706.1-2020 Extruded insulated power cables and accessories with rated voltages 1kV (Um=1.2kV) to 35kV (Um=40.5kV) Part 1: Rated voltages 1kV (Um=1.2kV) and 3kV (Um=3.6kV )cable

Additional Standards

GB/T 19666-2019 General rules for flame-retardant and fire-resistant wires, cables or optical cables

Usage features

Rated voltage

The rated voltage of industrial frequency AC is 0.6/1kV, and the maximum voltage of the AC system should not exceed 1.2kV.

Operating temperature

The maximum allowable long-term working temperature of the cable conductor is 70°C; when short-circuited, the conductor cross-sectional area is 300mm2 and below, the maximum temperature of the cable conductor does not exceed 160°C, the conductor cross-sectional area is more than 300mm2, the maximum temperature of the cable conductor does not exceed 140°C, continuously The time does not exceed 5s.

Ambient Temperature

Minimum working environment temperature -15℃.

Laying Temperature

The laying temperature of cables should not be lower than 0℃.

Bending Radius

The bending radius of single-core cables should be no less than 20 times the outer diameter of the cable, and the bending radius of multi-core cables should be no less than 15 times the outer diameter of the cable.

Cores of Cable Wire

Color Identification

When multi-core cables are marked with different colors, they meet the following requirements: 2 cores cables: red, blue; 3 cores cables: yellow, green, red; 4 cores cables: yellow, green, red, blue; 5 cores cables: yellow, green, red, blue, black (or determined by the supply and demand parties through negotiation). The colors red, yellow and green are used for the mainly core. Blue is used for neutral core, in order to avoid confusion with other colors, light blue is recommended.

Number Identification

When multi-core cables are marked with numbers, they meet the following requirements: 2 cores cables: 0, 1; 3 cores cables: 1, 2, 3; 4 cores cables: 0, 1, 2, 3; 5 cores cables: 0, 1, 2, 3, 4. The numbers 1, 2, 3 are used for mainly core, 0 used for neutral core. In 5 cores cable, the number "4" refers to the purpose-specific conductor (including the ground conductor). When the insulation is marked by numbers, the insulation should be the same color and arranged according to the numbers. Arabic numerals should be printed on the surface of the insulated , and the color of the numerals should be the same and have obvious contrast with the insulation color and printing clearly; The number marks should be repeated at equal intervals along the insulated , and the two adjacent sets of number marks should be reversed from each other. When the mark is composed of a single number, a dash should be placed under the number, if the mark is composed of two numbers, it should be arranged up and down and placed under the following number, and the spacing “d” between the two adjacent groups of number marks should not be greater than 50mm.

Sheath

The outer sheath of the cable is usually black, but other colors can also be used in accordance with the manufacturer or buyer's agreement to adapt to its use environment. The cable should have a continuous identification of the manufacturer's name, product model, rated voltage, and the manufacturer's name identification can be a repeated identification of the manufacturer or trademark. Printed signs should be rub resistant and not easy to fall off, and the print on the surface should be legible.

Note: The mark on the surface of the sheath can also add other content according to the custom of the user or the manufacturer.

Delivery and Tolerance

Delivery Length

Cables weighing less than 80kg are allowed to be delivered in rings, and the delivery length of short sections of the cable shall not exceed 5% of the total length of the delivery, or any length of cable may be delivered according to the agreement between the parties.

Length Error

The measurement error of delivery length is ±0.5%.

Packaging, Transportation and Storage

Packaging

Cables in rolls or coils should be neatly wound and properly packed. The cable tray shall comply with JB/T 8137-2013. The cable ends should be securely sealed. The cable ends extending out of the disk should be covered with a protective cover. The length of the cable ends extending out of the disk should be less than 300mm. The cable package shall bear a label indicating: Manufacturer name, model, specification, rated voltage, length, quality, manufacturing date, standard number or certification mark, the correct rotation direction of the cable tray, etc.

Transportation

Transportation is generally in the form of vehicles and ships, and the cable must be firmly fixed during transportation to avoid mutual collision or tipping over and causing damage to the cable or equipment. Cable tray is not allowed to lay flat. It is strictly forbidden to drop the cable tray with the cable from the height during transportation.

Storage

The finished cable should be stored in an environment where the temperature is between 0 and 40 ° C and the humidity is below 85%, so that it is not directly exposed to sunlight or rain, and it should be properly ventilated to keep the environment dry. Cables are stored and used in accordance with the above requirements and can generally be used for more than 25 years.

Order Instructions

When ordering, the cable model, specification, length, delivery date, packing method and other necessary information should be correctly marked. For example:

Model: N-VV 0.6/1kV

Specification: 3×16

Length: 1000m

Packing method: iron tray packing

Delivery date: last day valid

Mode of transport: train transport, car transport, ship transport or air transport Place of delivery: buyer's warehouse or site or buyer's own delivery

Note: The mode of transportation and place of delivery shall be specified by the buyer.

Installation Notice

During installation, the ambient temperature should not be lower than 0 ° C. If the ambient temperature measured by the thermometer is lower than 0 ° C, preheat the cable before preparing for installation. The bending radius during cable laying should be strictly controlled to avoid mechanical damage inside the cable.

No.OF CORES   CORSS SECTIONAL AREA(MM2) CONDUCTOR CORE DIAMETER(MM2) MICA THICKNESS(MM) INSULATION THICKNESS(MM) BETL(MM) JACKET THICKNESS(MM) OVERALL DIAMATER(MM) WEIGHT(KG/KM) DC RESISTANCE (OHM/KM)
1 10 7/1.35 4.05 2*10*0.14 1 20*0.2 1.4 10.7 202.6 1.83
1 16 7/1.66 4.98 2*15*0.14 1 20*0.2 1.4 11.8 265.9 1.15
1 25 7/2.14 6.42 2*20*0.14 1.2 20*0.2 1.4 13.5 390.2 0.727
1 35 7/2.52 7.56 2*30*0.14 1.2 20*0.2 1.4 14.6 496.7 0.524
1 50 10/2.52 8.4 2*30*0.14 1.4 30*0.2 1.4 15.6 621.9 0.387
1 70 14/2.52 10 2*40*0.14 1.4 35*0.2 1.5 17.4 827.8 0.268
1 95 19/2.52 11.6 2*40*0.14 1.6 40*0.2 1.5 19.4 1098.1 0.193
1 120 24/2.52 13 2*50*0.14 1.6 45*0.2 1.6 21 1350.3 0.153
1 150 30/2.52 14.6 2*50*0.14 1.8 50*0.2 1.6 23 1654.7 0.124
1 185 37/2.52 16.2 2*50*0.14 2 55*0.2 1.7 25.2 2022.6 0.0991
1 240 48/2.52 18.5 2*50*0.14 2.2 60*0.2 1.8 28.1 2584.3 0.0754
1 300 61/2.52 20.6 2*50*0.14 2.4 60*0.2 1.9 30.8 3235.1 0.0601
1 400 61/2.94 23.3 2*50*0.14 2.6 60*0.2 2 34.6 4145.3 0.047
1 500 60/3.29 26.6 2*50*0.14 2.8 60*0.2 2.1 38 5265 0.0366
1 630 60/3.69 29.6 2*50*0.14 2.8 60*0.2 2.2 41.2 6504.9 0.0283
2 1.5 1/1.38 1.38 2*6*0.14 0.8 20*0.2 1.8 12.2 182.9 12.1
2 2.5 1/1.78 1.78 2*6*0.14 0.8 20*0.2 1.8 13 217.4 7.41
2 4 1/2.25 2.25 2*6*0.14 1 20*0.2 1.8 14.6 284.2 4.61
2 6 1/2.76 2.76 2*10*0.14 1 20*0.2 1.8 15.6 343.6 3.08
2 10 7/1.35 4.05 2*10*0.14 1 20*0.2 1.8 18.8 480 1.83
2 16 7/1.66 4.98 2*15*0.14 1 25*0.2 1.8 21 628.4 1.15
2 25 7/2.14 6.42 2*20*0.14 1.2 25*0.2 1.8 24.4 915.4 0.727
2 35 7/2.52 7.56 2*30*0.14 1.2 25*0.2 1.8 26.6 1156.5 0.524
2 50 10/2.52 8.4 2*30*0.14 1.4 60*0.2 1.8 28.6 1439.9 0.387
2 70 14/2.52 10 2*40*0.14 1.4 60*0.2 1.9 32 1900.2 0.268
2 95 19/2.52 11.6 2*40*0.14 1.6 60*0.2 2.1 36.4 2545.1 0.193
2 120 24/2.52 13 2*50*0.14 1.6 60*0.2 2.2 39.4 3105.5 0.153
2 150 30/2.52 14.6 2*50*0.14 1.8 60*0.2 2.3 43.6 3822.6 0.124
2 185 37/2.52 16.2 2*50*0.14 2 60*0.2 2.4 47.8 4655.4 0.0991
2 240 48/2.52 18.5 2*50*0.14 2.2 60*0.2 2.6 53.6 5949.1 0.0754
2 300 61/2.52 20.6 2*50*0.14 2.4 60*0.2 2.8 59 7429.5 0.0601
3 1.5 1/1.38 1.38 2*6*0.14 0.8 20*0.2 1.8 12.8 218.6 12.1
3 2.5 1/1.78 1.78 2*6*0.14 0.8 20*0.2 1.8 13.7 263.7 7.41
3 4 1/2.25 2.25 2*6*0.14 1 20*0.2 1.8 15.4 353.6 4.61
3 6 1/2.76 2.76 2*10*0.14 1 20*0.2 1.8 16.5 433.1 3.08
3 10 7/1.35 4.05 2*10*0.14 1 25*0.2 1.8 20 618 1.83
3 16 7/1.66 4.98 2*15*0.14 1 25*0.2 1.8 22.3 818.4 1.15
3 25 7/2.14 6.42 2*20*0.14 1.2 25*0.2 1.8 26 1215.1 0.727
3 35 7/2.52 7.56 2*30*0.14 1.2 25*0.2 1.8 28.4 1553.1 0.524
3 50 10/2.52 8.4 2*30*0.14 1.4 60*0.2 1.9 30.8 1972.6 0.387
3 70 14/2.52 10 2*40*0.14 1.4 60*0.2 2 34.4 2616 0.268
3 95 19/2.52 11.6 2*40*0.14 1.6 60*0.2 2.1 38.9 3495.3 0.193
3 120 24/2.52 13 2*50*0.14 1.6 60*0.2 2.3 42.4 4307.5 0.153
3 150 30/2.52 14.6 2*50*0.14 1.8 60*0.2 2.4 46.9 5308.1 0.124
3 185 37/2.52 16.2 2*50*0.14 2 60*0.2 2.5 51.4 6474.9 0.0991
3 240 48/2.52 18.5 2*50*0.14 2.2 60*0.2 2.7 57.6 8285 0.0754
3 300 61/2.52 20.6 2*50*0.14 2.4 60*0.2 2.9 63.4 10372 0.0601
4 1.5 1/1.38 1.38 2*6*0.14 0.8 20*0.2 1.8 13.9 262.6 12.1
4 2.5 1/1.78 1.78 2*6*0.14 0.8 20*0.2 1.8 14.8 320.6 7.41
4 4 1/2.25 2.25 2*6*0.14 1 20*0.2 1.8 16.8 435 4.61
4 6 1/2.76 2.76 2*10*0.14 1 20*0.2 1.8 18 539.9 3.08
4 10 7/1.35 4.05 2*10*0.14 1 25*0.2 1.8 21.8 773.6 1.83
4 16 7/1.66 4.98 2*15*0.14 1 25*0.2 1.8 24.5 1036.7 1.15
4 25 7/2.14 6.42 2*20*0.14 1.2 25*0.2 1.8 28.6 1551 0.727
4 35 7/2.52 7.56 2*30*0.14 1.2 30*0.2 1.9 31.5 2008.4 0.524
4 50 10/2.52 8.4 2*30*0.14 1.4 60*0.2 2 34.1 2554.9 0.387
4 70 14/2.52 10 2*40*0.14 1.4 60*0.2 2.1 38.2 3400.1 0.268
4 95 19/2.52 11.6 2*40*0.14 1.6 60*0.2 2.3 43.4 4570.3 0.193
4 120 24/2.52 13 2*50*0.14 1.6 60*0.2 2.4 47 5606 0.153
4 150 30/2.52 14.6 2*50*0.14 1.8 60*0.2 2.6 52.3 6942.7 0.124
4 185 37/2.52 16.2 2*50*0.14 2 60*0.2 2.5 51.4 6474.9 0.0991
4 240 48/2.52 18.5 2*50*0.14 2.2 60*0.2 2.9 64.2 10841 0.0754
4 300 61/2.52 20.6 2*50*0.14 2.4 60*0.2 3.1 70.7 13581.8 0.0601
5 1.5 1/1.38 1.38 2*6*0.14 0.8 20*0.2 1.8 15 307.9 12.1
5 2.5 1/1.78 1.78 2*6*0.14 0.8 20*0.2 1.8 16.1 381.2 7.41
5 4 1/2.25 2.25 2*6*0.14 1 20*0.2 1.8 18.2 520.8 4.61
5 6 1/2.76 2.76 2*10*0.14 1 25*0.2 1.8 19.6 649.4 3.08
5 10 7/1.35 4.05 2*10*0.14 1 25*0.2 1.8 23.8 938.3 1.83
5 16 7/1.66 4.98 2*15*0.14 1 25*0.2 1.8 26.8 1263 1.15
5 25 7/2.14 6.42 2*20*0.14 1.2 30*0.2 1.9 31.6 1916.7 0.727
5 35 7/2.52 7.56 2*30*0.14 1.2 30*0.2 2 34.8 2483.5 0.524
5 50 10/2.52 8.4 2*30*0.14 1.4 60*0.2 2.1 37.7 3163.1 0.387
5 70 14/2.52 10 2*40*0.14 1.4 60*0.2 2.2 42.3 4215.5 0.268
5 95 19/2.52 11.6 2*40*0.14 1.6 60*0.2 2.4 48.1 5670.1 0.193
5 120 24/2.52 13 2*50*0.14 1.6 60*0.2 2.2 39.4 3105.5 0.153
5 150 30/2.52 14.6 2*50*0.14 1.8 60*0.2 2.3 43.6 3822.6 0.124
5 185 37/2.52 16.2 2*50*0.14 2 60*0.2 2.4 47.8 4655.4 0.0991
5 240 48/2.52 18.5 2*50*0.14 2.2 60*0.2 2.6 53.6 5949.1 0.0754
5 300 61/2.52 20.6 2*50*0.14 2.4 60*0.2 2.8 59 7429.5 0.0601
3+1 4/2.5 1/2.25
1/1.78
2.25
1.78
2*6*0.14
2*6*0.14
1.0
0.8
20*0.2 1.8 16.3 383.6 4.61
3+1 6/4 1/2.76
1/2.25
2.76
2.25
2*10*0.14
2*6*0.14
1.0
1.0
20*0.2 1.8 17.7 477.8 3.08
3+1 10/6 7/1.35
7/1.04
4.05
3.12
2*10*0.14
2*10*0.14
1.0
1.0
25*0.2 1.8 21.3 668.2 1.83
3+1 16/10 7/1.66
7/1.35
4.98
4.05
2*15*0.14
2*10*0.14
1.0
1.0
25*0.2 1.8 23.8 878.6 1.15
3+1 25/16 7/2.14
7/1.66
6.42
4.98
2*20*0.14
2*15*0.14
1.2
1.0
25*0.2 1.8 27.6 1284.2 0.727
3+1 35/16 7/2.52
7/1.66
7.56
4.98
2*30*0.14
2*15*0.14
1.2
1.0
30*0.2 1.8 29.9 1612 0.524
3+1 50/25 10/2.52
7/2.16
8.4
6.0
2*30*0.14
2*20*0.14
1.4
1.2
60*0.2 1.9 32.2 2263.8 0.387
3+1 70/35 14/2.52
7/2.52
10.0
7.0
2*40*0.14
2*30*0.14
1.4
1.2
60*0.2 2.1 36.1 3012 0.268
3+1 95/50 19/2.52
10/2.52
11.6
8.4
2*40*0.14
2*30*0.14
1.6
1.4
60*0.2 2.2 41.1 4055.6 0.193
3+1 120/70 24/2.52
14/2.52
13.0
10.0
2*50*0.14
2*40*0.14
1.6
1.4
60*0.2 2.3 44.8 5043.1 0.153
3+1 150/70 30/2.52
14/2.52
14.6
10
2*50*0.14
2*40*0.14
1.8
1.4
60*0.2 2.4 48.6 6016 0.124
3+1 185/95 37/2.52
19/2.52
16.2
11.6
2*50*0.14
2*40*0.14
2.0
1.6
60*0.2 2.6 53.8 7473 0.0991
3+1 240/120 48/2.52
24/2.52
18.5
13
2*50*0.14
2*50*0.14
2.2
1.6
60*0.2 2.8 60 9510.2 0.0754
3+1 300/150 61/2.52
30*2.52
20.6
14.6
2*50*0.14
2*50*0.14
2.4
1.8
60*0.2 3 66.1 11889.2 0.0601
3+2 4/2.5 1/2.25
1/1.78
1/1.78
2.25
1.78
1.78
2*6*0.14
2*6*0.14
2*6*0.14
1.0
0.8
0.8
20*0.2 1.8 17.4 419.2 4.61
3+2 10/6 7/1.35
7/1.04
7/1.04
4.05
3.12
3.12
2*10*0.14
2*10*0.14
2*10*0.14
1.0
1.0
1.0
25*0.2 1.8 22.9 728.5 1.83
3+2 16/10 7/1.66
7/1.35
7/1.35
4.98
4.05
4.05
2*15*0.14
2*10*0.14
2*10*0.14
1.0
1.0
1.0
25*0.2 1.8 25.6 950.3 1.15
3+2 25/16 7/2.14
7/1.66
7/1.66
6.42
4.98
4.98
2*20*0.14
2*15*0.14
2*15*0.14
1.2
1.0
1.0
30*0.2 1.8 29.6 1369.6 0.727
3+2 35/16 7/2.52
7/1.66
7.56
4.98
2*30*0.14
2*15*0.14
1.2
1.0
30*0.2 1.8 29.9 1612 0.524
3+2 50/25 10/2.52
7/2.16
7/2.16
8.4
6.0
6.0
2*30*0.14
2*20*0.14
2*20*0.14
1.4
1.2
1.2
60*0.2 2 34.5 2600.8 0.387
3+2 70/35 14/2.52
7/2.52
7/2.52
10.0
7.0
7.0
2*40*0.14
2*30*0.14
2*30*0.14
1.4
1.2
1.2
60*0.2 2.1 38.4 3429.5 0.268
3+2 95/50 19/2.52
10/2.52
10/2.52
11.6
8.4
8.4
2*40*0.14
2*30*0.14
2*30*0.14
1.6
1.4
1.4
60*0.2 2.3 44 4657.3 0.193
3+2 120/70 24/2.52
14/2.52
14/2.52
13.0
10.0
10.0
2*50*0.14
2*40*0.14
2*40*0.14
1.6
1.4
1.4
60*0.2 2.4 48.2 5851 0.153
3+2 150/70 30/2.52
14/2.52
14/2.52
14.6
10
10
2*50*0.14
2*40*0.14
2*40*0.14
1.8
1.4
1.4
60*0.2 2.5 51.6 6815.1 0.124
3+2 185/95 37/2.52
19/2.52
19/2.52
16.2
11.6
11.6
2*50*0.14
2*40*0.14
2*40*0.14
2.0
1.6
1.6
60*0.2 2.7 57.4 8556.2 0.0991
3+2 240/120 48/2.52
24/2.52
24/2.52
18.5
13
13
2*50*0.14
2*50*0.14
2*50*0.14
2.2
1.6
1.6
60*0.2 2.9 63.7 10836.2 0.0754
3+2 300/150 61/2.52
30*2.52
30*2.52
20.6
14.6
14.6
2*50*0.14
2*50*0.14
2*50*0.14
2.4
1.8
1.8
60*0.2 3.1 70.3 13533.8 0.0601
4+1 4/2.5 1/2.25
1/1.78
2.25
1.78
2*6*0.14
2*6*0.14
1.0
0.8
20*0.2 1.8 17.8 468.7 4.61
4+1 6/4 1/2.76
1/2.25
2.76
2.25
2*10*0.14
2*6*0.14
1.0
1.0
25*0.2 1.8 19.3 589.3 3.08
4+1 10/6 7/1.35
7/1.04
4.05
3.12
2*10*0.14
2*10*0.14
1.0
1.0
25*0.2 1.8 23.4 834.7 1.83
4+1 16/10 7/1.66
7/1.35
4.98
4.05
2*15*0.14
2*10*0.14
1.0
1.0
25*0.2 1.8 26.2 1106.5 1.15
4+1 25/16 7/2.14
7/1.66
6.42
4.98
2*20*0.14
2*15*0.14
1.2
1.0
30*0.2 1.8 30.5 1635.1 0.727
4+1 35/16 7/2.52
7/1.66
7.56
4.98
2*30*0.14
2*15*0.14
1.2
1.0
30*0.2 1.9 33.1 2087 0.524
4+1 50/25 10/2.52
7/2.16
8.4
6.0
2*30*0.14
2*20*0.14
1.4
1.2
60*0.2 2.1 36.2 2888.9 0.387
4+1 70/35 14/2.52
7/2.52
10.0
7.0
2*40*0.14
2*30*0.14
1.4
1.2
60*0.2 2.2 40.4 3827.5 0.268
4+1 95/50 19/2.52
10/2.52
11.6
8.4
2*40*0.14
2*30*0.14
1.6
1.4
60*0.2 2.4 46.1 5169.5 0.193
4+1 120/70 24/2.52
14/2.52
13.0
10.0
2*50*0.14
2*40*0.14
1.6
1.4
60*0.2 2.5 50.2 6411.3 0.153
4+1 150/70 30/2.52
14/2.52
14.6
10
2*50*0.14
2*40*0.14
1.8
1.4
60*0.2 2.6 54.7 7704.5 0.124
4+1 185/95 37/2.52
19/2.52
16.2
11.6
2*50*0.14
2*40*0.14
2.0
1.6
60*0.2 2.8 60.5 9541.1 0.0991
4+1 240/120 48/2.52
24/2.52
18.5
13
2*50*0.14
2*50*0.14
2.2
1.6
60*0.2 3 67.5 12154.1 0.0754
4+1 300/150 61/2.52
30*2.52
20.6
14.6
2*50*0.14
2*50*0.14
2.4
1.8
60*0.2 3.3 74.6 15241.3 0.0601
  • Who we are?

    We are based in Henan, China, start from 2012,sell to Domestic Market(70.00%), Mid East(11.00%), South America(10.00%), Africa(3.00%), North America(2.00%), Southeast Asia(2.00%), Eastern Asia(00.00%), South Asia(00.00%). There are total about 101-200 people in our office.

  • How can we guarantee quality?

    Always a pre-production sample before mass production; Always final Inspection before shipment.

  • What can you buy from us?

    Wire, Cable

  • Why should you buy from us not from other suppliers?

    We have twenty years of experience in design and development

  • What services can we provide?

    Accepted Delivery Terms: FOB,CFR,CIF,EXW;
    Accepted Payment Currency: USD,EUR;
    Accepted Payment Type: T/T,L/C,Money Gram,Western Union;
    Language Spoken: English,Chinese,French

  • How long does it take to get a quote back?

    Most quotes are returned within 24 hours

Test

Tests are divided into routine test, sample test and type test.

  • 01 Routine test

    Routine test: The test of the finished cable of all length is conducted by the manufacturer to test whether all cables meet the requirements of the regulations.

    Routine test items: Conductor resistance measurement, voltage test.

  • 02 Sample test

    Sample test: The tests are conducted on the sample of finished cables or on some components taken from finished cables according to the specified frequency by manufacturer to test whether the cable meets the requirements of the regulations.

    Sample testing items: conductor inspection, size examination, insulation, and thermal extension test of elastomer sheath.

  • 03 Type test

    Type test: According to the general business principles, the test of a type of cable contained in parts before supply demonstrates that the cable has satisfactory performance for the intended conditions of use.

    Type tests include electrical type tests and non-electrical test items.

    Electrical type test items: 1) Insulation resistance measurement at the ambient temperature; 2) During normal runtime, the insulation resistance measurement at the maximum temperature of the conductor; 3) 4h voltage test.

    Non-electrical test items include insulated non-electrical tests and sheath non-electrical tests.

    Insulation non-electrical test items: Size measurement, mechanical properties (tensile strength and elongation at break), high temperature pressure test, low temperature performance, thermal impact test, thermal extension test, and water absorption test.

    Sheath non-electrical type test items: Size measurement, mechanical performance (tensile strength and elongation at break), high temperature pressure test, low temperature performance, weight loss test, and thermal impact test.

    Product performance requirements and test methods meet the requirements of standard GB/T 12706.1-2008.

Acceptance Check

  • 01

    Each cable should be accompanied by product quality acceptance certificate and factory test report.The cable qualification certificate should indicate the start-up sequence number and insulation extrusion sequence number of the insulation extruder used to produce the cable.

  • 02

    Field inspection. When the contract goods arrive at the delivery place,upon receipt of notification from the buyer, the seller shall promptly go to the delivery location and organize an inspection with the buyer on the model, specifications, appearance, quantity, accompanying technical documents, packaging, etc. of the contracted goods based on the waybill and packing list. The buyer shall notify the seller of the date of Field inspection 3 working days in advance, and provide convenience for the seller's inspection personnel to work and live. The cost shall be borne by the seller. If the seller does not send a representative to attend, the buyer's inspection results shall prevail; If the seller's personnel fail to arrive at the site on time during the inspection, the buyer has the right to conduct the inspection on their own, and the inspection results and records are equally valid for both parties.

  • 03

    During Field inspection, if the contract goods are damaged, defective, short, or do not meet the quality standards and specifications stipulated in the contract due to the seller's reasons, the seller shall complete the equipment repair, replacement, or additional supply work as soon as possible without affecting the project progress. All expenses and responsibilities for delayed construction period arising from this shall be borne by the seller. If any damage, defect or shortage of the contracted goods is found due to the buyer's reasons, the seller shall repair, replace or supplement the corresponding parts as soon as possible after receiving the buyer's notice, and the buyer shall be responsible for the cost and delay in the construction period.

  • 04

    Sampling inspection. Before the shipment of cables (or after each batch of cables arrives), the buyer has the right to conduct sampling work. The buyer or a third party commissioned by the buyer shall take samples of the contract goods and send them to an authoritative inspection agency for inspection. If the sampled contract goods do not meet the requirements of the contract, the buyer has the right to expand the scope of sampling according to the contract, and based on the testing results and relevant provisions of the contract, require the seller to take measures such as re production, repair, etc Remedial measures such as replacement shall be taken until the inspection is qualified or the contract is unilaterally terminated. All related expenses incurred during this period shall be borne by the seller, and corresponding penalties shall be imposed according to the contract.

Manufacture Supervision

  • 01 Basis of supervision

    Reference to the former Ministry of Electric Power Industry, Ministry of Machinery Industry issued by the Office (1995) No. 37 document "Interim Provisions on Quality Supervision of Large Electric Power Equipment" , "Regulations on the Work of the General Representative Group in Large Electrical Equipment Manufacturing Plants".

    Reference to DL/T 586-2008 "Technical Guidelines for Equipment Manufacturing Supervision".

    GB/T 50319-2013 "Specifications for Construction Project Supervision", GB/T 19000-2016/ISO 9000:2015 "Quality Management and Quality Assurance" Standard.

    The relevant commercial terms and technical agreements in the equipment purchase contract signed between the user and the manufacturer, including legally binding documents, letters, correspondence, etc.

    Product equipment drawings confirmed by the user and the manufacturer and modification notice issued by the design unit.

    National standards, industry standards, and enterprise standards involved in technical documents and design drawings (subject to the latest version). If the standards adopted by the technical documents and the design drawings are inconsistent with each other, the national standards, industry standards, and enterprise standards shall be adopted as the recurrence order.

    When the design drawing is inconsistent with the referenced standard, the requirements in the standard shall prevail in principle, except for those with special requirements for parts.

  • 02 Supervision method

    Document witness, site witness and stoppage for inspection, namely R point, W point, H point.

    Each time after the completion of the supervision content, the supplier and the supervision representative will perform the signature procedure on the witness form. The supplier shall deliver one copy to the demand's supervision representative.

    R Point : The supplier only needs to provide items of inspection or test records or reports, that is, document witness.

    W Point : Inspection or test items attended by the purchaser’s manufacturing supervision representative, that is, on-site witness.

    H Point : The supplier stops work at this point to wait for inspection or testing by the demander's manufacturing supervision representative, that is, it stops work pending inspection.

    After receiving the witness notice, the demander shall promptly send representatives to the supplier's inspection or testing site to participate in on-site witnessing or stop work pending inspection.If the demander's representative cannot attend on time, point W can be automatically converted to point H, but if point h is converted to point r without the demander's written notice, the supplier will not transfer to the next process and agree with the demander to change the witness time.If the buyer is still unable to participate on time after the change, the H point will be automatically converted to R point.

  • 03 Requirements for Supplier's Cooperation in Manufacturing Supervision

    3.1The supplier has the obligation to cooperate with the demander's manufacturing supervision and provide relevant information in a timely manner without incurring any costs.

    3.2The supplier shall provide the demander's supervision representative with convenience in work and life.

    3.3The supplier shall inform the representative of the buyer of the equipment supervision project and time before on-site witness or stopping work for inspection.

    3.4The demander's supervision representative has the right to check (borrow) the technical data related to the contract supervision equipment. If the demander deems it necessary to copy and file, the supplier shall provide convenience.

    3.5 After witnessing, the supplier shall provide relevant inspection, test records and report data to the manufacturing supervision representative of the demander.

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