Construction of TWI Armoured Cable

Our cables are designed with precision-engineered layers to ensure electrical efficiency and mechanical strength.

Conductors

Function: Current carrying component

Material Options:

  • Plain / Stranded / Compacted Copper (as per IEC 60228)
  • Stranded / Compacted Aluminium

Insulation

Function: Provides dielectric strength and voltage rating

Material:

  • Cross-linked Polyethylene (XLPE) Type GP8 as per BS 7655

Fillers

  • Non-hygroscopic compatible fillers
  • Maintains circular shape
  • Enhances structural integrity

Bedding

Function: Protection for laid-up cores and armour base

Material:

  • Extruded PVC Type 9 Compound (BS 7655 compliant)
  • Reduced Flame Propagation (RP) / RPLHCL compounds available

Armour (Mechanical Protection Layer)

Provides:

  • Mechanical protection
  • Earth Continuity Conductor (ECC)

Types:

  • Galvanised Steel Wire Armour (GSWA) – For Multicore Cables
  • Aluminium Wire Armour (AWA) – For Single Core Cables

Oversheath (Outer Protection)

Standard Finish:

  • PVC Type 9 Compound compliant with IEC 60332-1

Optional Variants:

  • Medium Density Polyethylene (MDPE) – Enhanced water resistance
  • Anti-Termite Compound
  • Reduced Propagation (RP)
  • Reduced Propagation Low Halogen (RPLHCL)

Technical Characteristics

  • Voltage Rating: Uo/U = 0.6/1kV
  • Temperature Rating: -25°C to +90°C
  • Minimum Bending Radius:
    • 1.5mm² – 16mm²: 6 × overall diameter
    • 25mm² and above: 8 × overall diameter

Standards Compliance

  • BS 5467
  • BS 7889
  • IEC 60502-1
  • IEC 60228
  • BS 7655
  • IEC 60332

Core Identification

No. of Cores Colour Code
1 Core Red / Black
2 Core Red, Black
3 Core Red, Yellow, Blue
4 Core Red, Yellow, Blue, Black
5 Core Red, Yellow, Blue, Black, Yellow/Green

Applications

TWI PVC Sheathed Armoured Cables are suitable for:

  • Underground power distribution
  • Industrial installations
  • Outdoor and indoor fixed wiring
  • Cable duct installations
  • Power networks
  • Commercial and infrastructure projects

Ideal for environments requiring enhanced mechanical protection and flame retardant performance.

Why Choose TWI Wires & Cables?

  • Manufactured to international standards
  • Superior mechanical strength
  • High flame resistance options
  • Anti-termite and moisture-resistant variants
  • Reliable long service life
  • Suitable for harsh industrial environments

GLOBAL BUYERS CHOOSE US

We partner with international brands, distributors, and project companies to deliver certified products with consistent quality. Our integrated sourcing, manufacturing strength, and export expertise make us a reliable partner for global procurement.

ELECTRICAL WIRES & CABLES MANUFACTURER & SUPPLIER

Tradewinds International supplies a complete range of certified, durable, and safe wires & cables designed for residential, commercial, industrial, and large-scale infrastructure projects.

With advanced manufacturing facilities, strict QC systems, and OEM capabilities, we deliver reliable performance, competitive pricing, and long-term supply continuity to global B2B partners. Whether for massive infrastructure projects or specialized industrial applications, our products form the backbone of a connected world.

FAQs

What is the difference between SWA and AWA cable?

SWA (Steel Wire Armour) is used for multicore cables, while AWA (Aluminium Wire Armour) is typically used for single-core cables.

Can armoured cables be used underground?

Yes, XLPE insulated PVC sheathed armoured cables are suitable for direct burial and underground installations.

What is the temperature rating of 0.6/1kV armoured cable?

The maximum operating temperature is 90°C.

Do you export armoured cables to Africa and the Middle East?

Yes, TWI Wires & Cables exports to UAE, Saudi Arabia, Qatar, Kenya, Nigeria and other regions.