H05RR-F

Application and Description

These cables are flexible rubber insulated; rubber jacketed harmonized cord, recommended for use in equipment, which is subject to light and medium stresses in both dry and damp environments.

For use with electronics and electrical equipment such as appliances, small hand tools and office equipment They can be found in flat irons, soldering irons, kitchen aids, toasters, stoves and in connections with light commercial electric tools. Also suitable for fixed installation in furniture, decorative coverings, wall partitions and prefabricated building parts.

Max operating voltage in single or three phase system is Uo/U 300/500 volts. In a direct current system max operating voltage is Uo/U 413/825 volts. Outdoor use is permitted only for a short time. They are ozone resistant, oil & fat resistant.

Standard and Approval

CEI 20-19/4, CEI 20-35 (EN60332-1),
CE low voltage directive 73/23/EEC & 93/68/EEC., IEC 60245-4, ROHS compliant

Cable Construction

Technical Characteristics

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 and HD 186

Green-yellow grounding, 3 conductors and above

Polychloroprene rubber (neoprene) jacket EM3

Working voltage	300/500 volts
Test voltage	2000 volts
Flexing bending radius	8 x O
Fixed bending radius	6 x O
Temperature range	-30oC to +60oC
Short circuit temperature	+200 oC
Flame retardant	IEC 60332.1
Insulation resistance	20 MΩ x km

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
18(24/32)	2 x 0.75	0.6	0.8	5.7-7.4	14.4	61
18(24/32)	3 x 0.75	0.6	0.9	6.2-8.1	21.6	75
18(24/32)	4 x 0.75	0.6	0.9	6.8-8.8	28.8	94
18(24/32)	5 x 0.75	0.6	1.0	7.6-9.9	36.0	110
17(32/32)	2 x 1	0.6	0.9	6.1-8.0	19.0	73
17(32/32)	3 x 1	0.6	0.9	6.5-8.5	29.0	86
17(32/32)	4 x 1	0.6	0.9	7.1-9.3	38.4	105
17(32/32)	5 x 1	0.6	1.0	8.0-10.3	48.0	130
16(30/30)	2 x 1.5	0.8	1.0	7.6-9.8	29.0	115
16(30/30)	3 x 1.5	0.8	1.0	8.0-10.4	43.0	135
16(30/30)	4 x 1.5	0.8	1.1	9.0-11.6	58.0	165
16(30/30)	5 x 1.5	0.8	1.1	9.8-12.7	72.0	190
14(50/30)	2 x 2.5	0.9	1.1	9.0-11.6	48.0	160
14(50/30)	3 x 2.5	0.9	1.1	9.6-12.4	72.0	191
14(50/30)	4 x 2.5	0.9	1.2	10.7-13.8	96.0	235
14(50/30)	5 x 2.5	0.9	1.3	11.9-15.3	120.0	285

What is the H05RR-F Cable?

The H05RR-F is a type of flexible power cord that features rubber insulation and a rubber outer jacket, adhering to European harmonised standards (hence the 'H' designation). The '05' indicates a rated voltage of 300/500V, 'RR' refers to its rubber insulation and sheath, and 'F' denotes fine-wire stranding for enhanced flexibility. It's constructed with fine bare copper strands for conductivity, rubber core insulation (often EI4 type), and a polychloroprene (neoprene) jacket for protection. This design makes it ideal for devices that require movement without compromising safety or performance.

Colour coding follows standard conventions: green-yellow for grounding in cables with three or more conductors, ensuring easy identification during installation. Compliant with standards like IEC 60245-4 and ROHS, it's ozone-resistant, oil- and fat-resistant, and suitable for short-term outdoor use. In South Africa, where diverse climates range from humid coastal areas to dry interiors, this cable's robustness helps it withstand damp conditions without faltering.

Application Scenarios

The H05RR-F shines in scenarios requiring flexibility and resistance to environmental factors. It's recommended for electronics and electrical equipment in dry and damp settings, handling light to medium stresses. Common uses include:

Household Appliances: Connecting flat irons, toasters, stoves, and kitchen aids where cords need to bend without breaking.
Office Equipment: Powering computers, printers, and small tools in business environments.
Light Commercial Tools: Soldering irons, hand drills, and other portable devices.
Fixed Installations: Embedded in furniture, wall partitions, or decorative coverings in buildings.
Short-Term Outdoor Use: Temporary setups like garden tools, but not for prolonged exposure.

In South Africa, suppliers like RS Components and Helukabel offer these cables for domestic and light industrial needs.

Advantages

What sets the H05RR-F apart? Its rubber construction offers several perks:

Flexibility: Remains pliable even in cold temperatures, reducing the risk of cracks.
Durability: Resistant to ozone, oils, fats, and mechanical wear, extending lifespan.
Safety: Flame-retardant and with high insulation resistance, it minimises electrical hazards.
Versatility: Suitable for both AC and DC systems, with a broad temperature range.
Environmental Compliance: ROHS-compliant, making it eco-friendly.

Compared to PVC cables, rubber variants like H05RR-F handle dampness better, crucial in South Africa's varied weather.

Frequently Asked Questions (FAQs)

Q: Is the H05RR-F suitable for permanent outdoor installation?

A: No, it's designed for short-term outdoor use only, as prolonged exposure could degrade the rubber.

Q: How does it compare to H05RN-F?

A: The H05RR-F is for lighter indoor duties, while H05RN-F offers better resistance for medium stresses and outdoor applications.

Q: Can it be used in South African mining?

A: Yes, for light applications like portable equipment, but heavier cables are preferred for high-stress mining ops.

Q: What maintenance is required?

A: Regular inspections for wear, especially in damp areas, and avoid sharp bends beyond the specified radius.

The H05RR-F cable exemplifies how simple innovations in materials can power modern life reliably. In South Africa, its adaptability to local conditions – from household kitchens to industrial sites – makes it an essential component in our electrical landscape. Whether you're an engineer, homeowner, or industry professional, understanding this cable's capabilities can help you choose the right wiring for safety and efficiency.