H05RN-F/H05RNH2-F
Application and Description
These cables are flexible, mainly recommended for use in electrical equipment under low stress in dry, damp and wet areas in indoor or outdoor environments.
Commonly used for connection of electrical appliances when exposed to low mechanical strain in household, offices and for light utilities. Anywhere where there is minimal physical damage. Also suitable for fixed installation in furniture, decorative coverings, wall partitions and pre-fabricated building parts.
Max operating voltage in single or three phase system is Uo/U 318/550 volts. In a direct current system max operating voltage is Uo/U 413/825 volts. They are ozone resistant, oil &fat resistant.
Standard and Approval
CEI 20-19 p.4, CEI 20-35(EN 60332-1), CE low voltage directive 73/23/EEC & 93/68/EEC.,
IEC 60245-4, ROHS compliant
Cable Construction
Fine bare copper strands |
Strands to VDE-0295 Class-5, IEC 60228 Class-5 |
Rubber core insulation EI4 to VDE-0282 Part-1 |
Color code VDE-0293-308 |
Green-yellow grounding, 3 conductors and above |
Polychloroprene rubber (neoprene) jacket EM2 |
Working voltage | 300/500 volts |
Test voltage | 2000 volts |
Flexing bending radius | 7.5 x O |
Fixed bending radius | 4.0 x O |
Temperature Range | -30oC to +60oC |
Short circuit temperature | +200 oC |
Flame retardant | IEC 60332.1 |
Insulation resistance | 20 MΩ x km |
Technical Characteristics
Cable Parameter
AWG | No. of Cores x Nominal Cross Sectional Area | Nominal Thickness of Insulation | Nominal Thickness of Sheath | Nominal Overall Diameter | Nominal Copper Weight | Nominal Weight |
| # x mm^2 | mm | mm | mm (min-max) | kg/km | kg/km |
H05RN-F | ||||||
18(24/32) | 0.6 | 0.8 | 5.7 - 7.4 | 14.4 | 80 | |
18(24/32) | 0.6 | 0.9 | 6.2 - 8.1 | 21.6 | 95 | |
18(24/32) | 0.6 | 0.9 | 6.8 - 8.8 | 30 | 105 | |
17(32/32) | 0.6 | 0.9 | 6.1 - 8.0 | 19 | 95 | |
17(32/32) | 0.6 | 0.9 | 6.5 - 8.5 | 29 | 115 | |
17(32/32) | 0.6 | 0.9 | 7.1 – 9.2 | 38 | 142 | |
16(30/30) | 0.8 | 1.0 | 8.6 - 11.0 | 29 | 105 | |
16(30/30) | 0.8 | 1.1 | 9.5 - 12.2 | 39 | 129 | |
16(30/30) | 0.8 | 1.1 | 10.5 - 13.5 | 48 | 153 | |
H05RNH2-F | ||||||
16(30/30) | 2 x 1.5 | 0.6 | 0.8 | 5.25±0.15x13.50±0.30 | 14.4 | 80 |
14(50/30) | 2 x 2.5 | 0.6 | 0.9 | 5.25±0.15x13.50±0.30 | 21.6 | 95 |
What Are H05RN-F and H05RNH2-F Cables?
The H05RN-F is a harmonised (HAR) rubber-insulated flexible cable, primarily used for low-stress electrical connections. Its counterpart, the H05RNH2-F, is a flat variant suitable for specific installations. Both are constructed with fine bare copper strands for excellent conductivity, rubber core insulation (EI4 type), and a polychloroprene rubber (neoprene) jacket (EM2) for protection. They adhere to international standards like IEC 60245-4 and CEI 20-19, ensuring safety and reliability. In South Africa, these cables align with local regulations under the Compulsory Specification for Safety of Flexible Cords (VC 8006), which references SANS 1574 for rubber-insulated cords. This compliance makes them widely available and trusted in the Rainbow Nation.
Application Scenarios
These cables shine in scenarios requiring flexibility under low mechanical stress. They're ideal for connecting electrical appliances in dry, damp, or wet areas, both indoors and outdoors. Common uses include household gadgets, office equipment, and light utilities where physical damage is minimal. They can also be fixed in furniture, decorative coverings, wall partitions, or pre-fabricated building parts.
In South Africa, their applications extend to the country's unique contexts. For instance, in the mining sector – a cornerstone of the economy – rubber flexible cables like those meeting SANS Type 63 and 66 standards are used for trailing applications in harsh environments. While H05RN-F is for lighter duties, it's employed in auxiliary equipment, workshops, and portable tools on mine sites. In agriculture, prevalent in regions like the Western Cape, these cables power irrigation systems and farm machinery, resisting moisture and oils. Urban settings see them in extension cords for braais (barbecues) or outdoor events, and in offices for reliable connections. Companies like Helukabel supply all-weather rubber cables tailored for South African conditions, ensuring durability against the elements. A notable case is their use in portable power supplies for construction sites in Gauteng, where flexibility aids in navigating tight spaces without compromising safety.
Advantages
What makes these cables a popular choice? Their flexibility allows easy handling, while the rubber insulation provides resistance to ozone, oils, and fats – perfect for kitchens or workshops. Being flame retardant and RoHS compliant, they prioritise safety and environmental standards. In South Africa's variable weather, their wide temperature tolerance ensures performance from chilly Highveld winters to humid coastal summers. Compared to PVC cables, they operate at lower temperatures (down to -30°C) and offer better mechanical protection. Overall, they reduce downtime in applications by withstanding everyday stresses without fraying or failing.
Frequently Asked Questions (FAQs)
Q: Are H05RN-F cables suitable for outdoor use in South Africa?
A: Yes, they're recommended for outdoor environments with low mechanical strain, such as garden tools or lighting, and comply with local safety specs.
Q: What's the difference between H05RN-F and H05RNH2-F?
A: The H05RN-F is round, while H05RNH2-F is flat, making the latter ideal for space-constrained installations like under carpets.
Q: Do these cables need special certification in South Africa?
A: They must meet VC 8006 and SANS 1574 standards for import and use, ensuring safety in electrical appliances.
Q: Can they handle high voltages?
A: They're rated for 300/500 volts AC, suitable for most household and light utility needs, but not for heavy industrial power lines.
Q: How do I choose the right core size?
A: Consider the appliance's power draw; for example, 3 x 1.5 mm² is common for tools requiring up to 1.5 kW.
The H05RN-F and H05RNH2-F cables exemplify how advanced materials can enhance everyday electrical safety and efficiency. In South Africa, their adaptability to local industries and climates makes them indispensable. Whether powering a home appliance or supporting a workshop, these cables deliver reliable performance. For more on electrical innovations, keep exploring the science behind our powered world.
