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Materials & Methods

Electrical Cable Types

Common Cable Types

TPS (Twin and Earth)

  • Most common residential cable
  • Flat cable with active, neutral, earth
  • Used for power and lighting circuits

Flexible Cable

  • For appliance connections
  • Can handle movement
  • Not for permanent installation

Cable Sizes

  • 1mm²: Lighting circuits
  • 2.5mm²: Power points (most common)
  • 4mm²: Heavy duty circuits
  • 6mm²: Ovens, hot water
  • 10mm²+: Air con, main feeds

Circuit Protection

  • MCB (Miniature Circuit Breaker): Overcurrent protection
  • RCD (Safety Switch): Earth leakage protection
  • RCBO: Combined MCB and RCD

Color Codes

  • Active: Red or brown
  • Neutral: Black or blue
  • Earth: Green/yellow

Important Notes

All electrical work must be done by a licensed electrician. This information is for understanding only - not DIY guidance.

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