Copper Network Cabling

What is Copper Network Cabling?

Copper cabling is the traditional medium for Ethernet networks, using electrical signals to transmit data. It is widely used due to its affordability, ease of installation, and suitability for short- to medium-distance connections. Common types include twisted pair cables such as Cat5e, Cat6, Cat6a, Cat7 and Cat8.


Why Use Copper Cables?

Cost-Effective and Readily Available

  • Lower material and installation costs compared to fibre.
  • Easier to terminate and test with standard tools.

Power over Ethernet (PoE) Capable

  • Copper cables can deliver both data and power (up to 90W with PoE++).
  • Ideal for powering IP cameras, VoIP phones, and wireless access points.

Flexible Installation

  • Can be installed and maintained by general IT staff.
  • Works well in both horizontal and vertical cabling runs within 100 meters.

Copper vs Fibre Cable Comparison

Feature Copper Cable (Twisted Pair) Fibre Optic Cable
Speed Up to 40 Gbps (Cat8) Up to 100 Gbps+
Distance Up to 100m 500m to 40km+
PoE Support Yes No
EMI Resistance Moderate (STP) to low (UTP) Immune
Installation Easy Requires skilled installer
Durability Physically robust Fragile to bend/tension
Cost Lower Higher
Bandwidth Lower Extremely high
Security Easier to tap Harder to tap

Types of Copper Ethernet Cables

Cable Type Max Speed Max Distance Shielding Common Use
Cat5e 1 Gbps 100m UTP/STP Home & small business
Cat6 10 Gbps (up to 55m) 100m UTP/STP General business use
Cat6a 10 Gbps 100m Shielded (STP) Enterprise networks
Cat7 10 Gbps 100m Fully shielded High-interference areas
Cat8 25–40 Gbps 30m Fully shielded Data centres
  • UTP (Unshielded Twisted Pair): Cost-effective, flexible, best for clean environments.
  • STP/FTP (Shielded/Foiled Twisted Pair): Mitigates EMI, used in industrial or high-noise environments.

Applications of Copper Cabling

General Networking

  • Ideal for desktop connections, printers, access points, and small switches.
  • Compatible with standard RJ45 ports.

Power Over Ethernet (PoE)

  • Supports PoE, PoE+, and PoE++ for delivering power to devices.
  • Reduces the need for separate electrical infrastructure.

Surveillance & Access Control

  • Perfect for IP CCTV, PoE cameras, and remote access terminals.

Data Centre Patch Panels

  • Short-run Cat8 cables are used for high-speed server-to-switch connections.

UK Standards for Copper Cabling

Structured Cabling Standards

  • BS EN 50173-1 → Covers both copper and fibre structured cabling.
  • ISO/IEC 11801 → International structured cabling specification.
  • BS EN 50310 → Grounding and bonding of ICT cabling.
  • BS 6701:2016+A1:2017 → Cabling practices including PoE considerations.

Fire Safety Requirements

  • Low Smoke Zero Halogen (LSZH) jackets are mandatory for indoor installations.
  • Cables must comply with the Construction Products Regulation (CPR) for fire classification.

Best Practices for Copper Cable Installation

1. Follow Cable Category Limits

  • Do not exceed the specified maximum run lengths (typically 90m + 10m patching).
  • Use the appropriate category for the required bandwidth.

2. Proper Cable Management

  • Avoid tight bends, kinks, or crushing.
  • Use trays, conduits, and velcro ties to manage cables cleanly.

3. Avoid Electromagnetic Interference (EMI)

  • Keep away from electrical sources like lighting circuits and motors.
  • Use STP or foil-shielded cables in high-interference areas.

4. Label and Document

  • Label all endpoints and patch panels for quick identification.
  • Maintain diagrams and spreadsheets for cable routes and IDs.

5. Test and Certify

  • Use a cable tester to check for continuity, wire map, and length.
  • Certify using Fluke or equivalent tools for compliance with category standards.

When to Choose Copper Over Fibre

Scenario Recommended Cabling
Short-range LAN (≤100m) Copper
Devices requiring power (PoE) Copper
Budget-conscious installations Copper
Long-distance or high EMI Fibre
Backbone between buildings Fibre
High-speed data centre core Fibre (or Cat8 copper for short links)

Copper network cabling remains a versatile and cost-effective solution for most business and residential network needs. While fibre dominates in high-speed and long-distance environments, copper continues to offer PoE, flexibility, and simplicity—making it essential in modern hybrid network infrastructures.