Article/Knowledge

Choose Underground Cables – Only from Bangkok Cable (BCC)

In electrical systems—whether in residential houses, housing projects, office buildings, or industrial factories—choosing a standard-compliant and safe underground electrical cable is crucial. One of the most trusted brands in Thailand is Bangkok Cable (BCC). Bangkok Cable offers solutions for all types of installations, especially “underground” systems, as its products are designed to withstand harsh environments such as moisture, heat, and high voltage. They are certified by TISI and meet international standards.

Why is Bangkok Cable (BCC) ideal for underground applications?

  • Made from 99.99% pure copper – excellent conductivity, low heat generation
  • Durable insulation resistant to tension, moisture, and underground chemicals
  • Available in various models for direct burial or conduit installation
  • Certified to meet TISI and IEC standards
  • Available in all sizes with nationwide delivery service

Types of Underground Cables from Bangkok Cable

1. NYY / NYY-G Cable – Durable, moisture-resistant, for direct burial

This cable features dual-layer PVC insulation, both inner and outer, offering high durability. It can be installed in cable trays or directly buried in the ground, with or without conduit.

  • Voltage rating: 450/750 V
  • Maximum operating temperature: 70°C
  • Insulation: Double-layer PVC (inner & outer)
  • Highlight: Suitable for direct burial or conduit installation
  • Ideal for: Homes, buildings, residential projects

2. VCT / VCT-G Cable – Flexible and easy to install

This cable uses stranded copper conductors and is insulated and sheathed with PVC. It is highly flexible and resistant to vibration. It can be installed on trays or directly buried in conduits.

  • Voltage rating: 450/750 V
  • Maximum operating temperature: 70°C
  • Insulation: Dual-layer PVC
  • Highlight: Flexible and bend-resistant
  • Ideal for: Machinery, control systems

3. CV Cable – High voltage endurance, long-term use

A popular choice for main power cables or sub-main distribution in buildings. This low-voltage power cable offers superior strength and heat resistance. For indoor use, it must be installed in a closed conduit. It is suitable for aerial, conduit, or underground installation.

  • Voltage rating: 0.6/1 kV
  • Maximum operating temperature: 90°C
  • Insulation: XLPE sheathed with PVC
  • Highlight: Heat-resistant, suitable for narrow or enclosed areas
  • Ideal for: High-rise buildings, 3-phase main power

4. FR-CV Cable – Fire-retardant for added safety

This cable is stronger and more heat-resistant than standard cables. For indoor use, it does not require a closed conduit. It can be installed aerially, in conduit, or underground.

  • Voltage rating: 0.6/1 kV
  • Maximum operating temperature: 90°C
  • Insulation: XLPE + FR-PVC
  • Standard: IEC 60332-3-24 Category C
  • Ideal for: Control rooms, dense buildings, hospitals

How to choose the right underground cable

  • Choose the cable size based on the electrical load
  • Select insulation resistant to moisture and voltage
  • Must be certified by TISI and international standards
  • Choose quality brands like Bangkok Cable

Summary

Choosing underground cables should never be based on price alone, as using the wrong materials can lead to hazards such as leakage, electrocution, or fire. If you're looking for safe, durable, and fully certified cables, Bangkok Cable (BCC) is your best choice.

Interested in purchasing or requesting a quote?