Type G Three-Conductor Portable Power Cable 2kV ICEA S-75-381

Type G Three-Conductor Portable Power Cables (2kV) Enhance South Africa’s Mining and Heavy Industry with Durability, Safety, and Efficiency

Type G Three-Conductor Portable Power Cable 2kV ICEA S-75-381

Applications

These cables are designed for use with mobile mining equipment, such as continuous miners, cutting or loading machines, conveyors, drills or pumps.

Standards

ICEA S-75-381/NEMA WC 58
ASTM B 172
ASTM B 33
CAN/CSA C22.2 No. 96

Construction

Conductors

Stranded annealed tinned copper conductor.

Insulation

Ethylene Propylene Rubber (EPR).

Grounding Conductor

Tinned copper conductor with a green outer covering.

Jacket

Reinforced heavy-duty/extra-heavy-duty Chlorinated Polyethylene (CPE), black. (Cables having a nominal outside diameter of more than 2.0 inches require extra-heavy-duty jackets.)

Options

Other jacket materials such as CSP/PCP/NBR/PVC are available upon request.
Two-layer jacket with reinforcing fibre between the two layers can be offered as an option.

Mechanical and Thermal Properties

Minimum Bending Radius: 6×OD
Maximum Operating Temperature: +90℃

Dimensions and Weight:

Construction

No. of Strands

Grounding Conductor Size

Nominal Insulation Thickness

Nominal Jacket

Thickness

Nominal Overall Diameter

Nominal Weight

Ampacity

No. of cores×AWG/kcmil

-

AWG/kcmil

inch

mm

inch

mm

inch

mm

lbs/kft

kg/km

A

3×8

133

10

0.06

1.5

0.125

3.2

0.91

23.1

590

878

59

3×6

168

10

0.06

1.5

0.140

3.6

1.01

25.7

760

1131

79

3×4

259

8

0.06

1.5

0.155

3.9

1.17

29.7

1070

1592

104

3×3

329

8

0.06

1.5

0.155

3.9

1.24

31.5

1280

1904

120

3×2

259

8

0.06

1.5

0.155

3.9

1.34

34.0

1530

2276

138

3×1

329

7

0.08

2.0

0.170

4.3

1.51

38.4

1890

2812

161

3×1/0

259

6

0.08

2.0

0.170

4.3

1.65

41.9

2320

3452

186

3×2/0

329

5

0.08

2.0

0.190

4.8

1.75

44.5

2700

4017

215

3×3/0

413

4

0.08

2.0

0.190

4.8

1.89

48.0

3270

4865

249

3×4/0

532

3

0.08

2.0

0.205

5.2

2.04

51.8

3970

5907

287

3×250

608

2

0.095

2.4

0.220

5.6

2.39

60.7

5080

7558

320

3×300

741

1

0.095

2.4

0.235

6.0

2.56

65.0

6080

9046

357

3×350

855

1

0.095

2.4

0.235

6.0

2.68

68.1

7140

10623

394

3×400

988

1/0

0.095

2.4

0.250

6.4

2.82

71.6

7780

11575

430

3×500

1221

2/0

0.095

2.4

0.250

6.4

3.03

77.0

9065

13487

487


Introduction

South Africa’s mining and heavy industry sectors are the backbone of its economy, extracting valuable minerals like gold, platinum, and coal. These industries rely on robust, reliable equipment to operate in harsh environments. One critical component is the Type G Three-Conductor Portable Power Cable (2kV), designed to power mobile mining equipment such as continuous miners, conveyors, drills, and pumps. This article explores the technical specifications, benefits, installation and maintenance recommendations, usage scenarios, and real-world case studies of these cables, with a focus on their role in South Africa’s mining sector. We’ll also address frequently asked questions to provide a comprehensive guide for industry professionals and enthusiasts.

What Are Type G Three-Conductor Portable Power Cables?

Type G Three-Conductor Portable Power Cables are heavy-duty, flexible cables engineered for high-voltage applications up to 2,000 volts (2kV). They are specifically designed for mobile equipment in demanding environments like mining, where durability, safety, and reliability are paramount. These cables comply with industry standards such as ICEA S-75-381/NEMA WC 58, ASTM B 172, ASTM B 33, and CAN/CSA C22.2 No. 96, ensuring consistent performance under extreme conditions.

Benefits of Type G Portable Power Cables

Type G cables offer several advantages that make them ideal for South Africa’s mining and heavy industry sectors:

  1. Durability: The CPE jacket and EPR insulation provide resistance to abrasion, chemicals, and extreme temperatures, ensuring longevity in harsh mining environments.

  2. Flexibility: Stranded copper conductors and a minimum bending radius of 6×OD allow the cables to adapt to the dynamic movements of mobile equipment.

  3. Safety: The tinned copper grounding conductor ensures reliable grounding, reducing the risk of electrical faults and enhancing worker safety.

  4. Versatility: Suitable for a wide range of equipment, from continuous miners to pumps, making them a versatile choice for mining operations.

  5. Compliance: Adherence to international standards ensures reliability and compatibility with global equipment.

Usage Scenarios in South Africa’s Mining Industry

Type G Three-Conductor Portable Power Cables are integral to South Africa’s mining operations, where they power critical equipment in gold, platinum, and coal mines. Below are two key usage scenarios:

1. Continuous Miners in Platinum Mines

South Africa is the world’s largest producer of platinum, with mines like those in the Bushveld Complex relying on continuous miners. These machines require flexible, high-capacity power cables to operate in confined underground spaces. A 3×2/0 AWG Type G cable, with an ampacity of 215A and a nominal diameter of 1.75 inches, is ideal for powering continuous miners, offering the flexibility to navigate tight bends and the durability to withstand abrasive rock surfaces.

2. Conveyor Systems in Coal Mines

Coal mines, such as those in Mpumalanga, use conveyor systems to transport coal to the surface. These systems demand reliable power delivery over long distances. A 3×350 kcmil Type G cable, with an ampacity of 394A and a robust CPE jacket, ensures uninterrupted operation, even in dusty and humid conditions. The cable’s grounding conductor enhances safety by mitigating electrical risks in potentially explosive environments.

Type G Three-Conductor Portable Power Cables (2kV) are a cornerstone of South Africa’s mining and heavy industry sectors, offering unmatched durability, flexibility, and safety. Their technical specifications, including stranded copper conductors, EPR insulation, and robust CPE jackets, make them ideal for powering mobile equipment in harsh environments. By following proper installation and maintenance practices, mines can maximize efficiency and safety while addressing current industry challenges. Real-world case studies demonstrate their impact on reducing downtime and costs, making them a vital investment for South Africa’s mining future. Whether in gold, platinum, or coal mines, Type G cables are powering the industry forward.