HO7RN-F Rubber Cable Guide for African Markets

Created on 06.24
If you are supplying electrical materials for projects in Africa — mining operations, construction sites, industrial plants, port facilities, or outdoor events — you have likely encountered a specification for HO7RN-F rubber cable.
Unlike standard PVC building wire, which is stiff and suitable for fixed installation, HO7RN-F is a heavy-duty flexible cable designed for demanding environments. In Africa's diverse climates — from scorching deserts to humid coastal regions — this cable has become a trusted choice for portable equipment and harsh industrial applications .
This guide explains what HO7RN-F is, why it is widely used in Africa, and what you need to know when sourcing it.

First: What is HO7RN-F?

HO7RN-F is a harmonized European standard cable designation. Here is what each part means:
Code
Meaning
H
Harmonized type (European standard)
07
450/750V rated voltage
R
Rubber insulation (EPR - Ethylene Propylene Rubber)
N
Neoprene (polychloroprene) outer sheath
F
Flexible conductor (Class 5 fine stranded copper)
The smaller version, H05RN-F, is rated at 300/500V. HO7RN-F is the heavy-duty version at 450/750V .

Why HO7RN-F is Popular in Africa

Africa's electrical infrastructure faces harsh service conditions: extreme temperatures, high humidity, intense UV exposure, and mechanical stress from portable equipment . HO7RN-F is well-suited for these challenges :

1. Extreme Temperature Resistance

  • Operating temperature range: -25°C to +60°C (some grades extend to -40°C to +90°C
  • Works in both scorching desert heat and cooler highland regions

2. Weather and UV Resistance

  • The neoprene sheath resists degradation from Africa's intense sunlight 
  • Suitable for outdoor use in both dry and wet conditions

3. Oil and Chemical Resistance

  • Resists oils, greases, and many industrial chemicals
  • Critical for mining, port, and industrial applications

4. Mechanical Durability

  • High flexibility makes it easy to coil, handle, and route
  • Withstands dragging, pulling, and mechanical stress on construction sites 

5. Water Resistance

  • Suitable for submersion in water — used for drainage, pumps, and water treatment
  • Ideal for areas with high rainfall or flooding
Quote from industry analysis: "H07RN-F cables have proven to be a valuable solution for enhancing electrical infrastructure in Africa. Their adaptability to challenging service conditions, durability, and reliability make them a trusted choice for industries across the continent." 

Common Applications in Africa

HO7RN-F is used across multiple sectors in African markets:
Industry
Application
Mining
Power supply to mobile equipment, drilling rigs, conveyors
Construction
Temporary site power, lighting, portable tools, tower cranes 
Agriculture
Irrigation pumps, processing equipment
Ports & Docks
Container handling equipment, ship-to-shore power
Events & Entertainment
Outdoor event power distribution, stage lighting, sound systems 
Industrial
Motors, welding equipment, machinery connections 

HO7RN-F vs H05RR-F vs PVC Flexible Cable

Feature
HO7RN-F
H05RR-F
PVC Flexible Cable
Voltage
450/750V
300/500V
Variable
Insulation
EPR rubber
EPR rubber
PVC
Sheath
Neoprene (PCP)
Rubber
PVC
Oil resistance
Excellent
Good
Poor
Weather/UV resistance
Excellent
Moderate
Poor
Flexibility
High
High
Moderate
Temperature range
-25°C to +60°C
Similar
-15°C to +70°C
Best for
Heavy industrial, outdoor
Light duty, indoor
Fixed indoor installation
HO7RN-F is the premium choice for demanding African environments. For lighter duty, H05RR-F or PVC cable may be acceptable, but for mining, construction, and outdoor applications, HO7RN-F is preferred .

Technical Specifications (Standard Construction)

Specification
Details
Standard
BS EN 50525-2-21 (formerly BS 7919) 
Voltage rating
450/750V 
Conductor
Annealed copper, Class 5 flexible stranding (IEC 60228) 
Insulation
EPR (Ethylene Propylene Rubber), Type EI7 
Sheath
Polychloroprene (Neoprene / PCP), Type EM2 
Core colors (3+E)
Brown, Black, Grey, Green/Yellow 
Core colors (2-core)
Brown, Blue 
Min. bending radius
6 x overall diameter 
Test voltage
2500V 

Available Sizes and Core Configurations

HO7RN-F is available in a wide range of sizes and configurations:
Common core counts:
  • 2-core (Brown, Blue)
  • 3-core (Brown, Black, Grey + Green/Yellow optional)
  • 4-core (Brown, Black, Grey, Blue + Green/Yellow optional)
  • 5-core (Brown, Black, Grey, Blue, Green/Yellow) 
  • 7+ cores (numbered black cores + Green/Yellow)
Conductor sizes:
  • From 1.0mm² to 240mm² (single core)
  • From 1.0mm² to 300mm² (multi-core) 
Contact

Looking for a reliable cable manufacturer? Send us your requirements today. Our export sales team will reply within 12 business hours with a professional quotation.

To help us prepare an accurate quotation, you may reply to our email with:

• Cable Type        • Voltage       • Conductor Size

• Quantity            • Destination Country


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