When sourcing H07RN-F rubber cable, confirming the model name alone is not enough to obtain a technically comparable quotation. Buyers also need to specify the rated voltage, conductor cross-section, number of cores, protective conductor arrangement, cable length, operating environment and applicable product requirements.
Huanghe Cable manufactures flexible rubber-insulated cables for industrial equipment, construction sites and portable power applications. Its published product range includes standard H07RN-F at 450/750V (and up to 600/1000V in single-phase or three-phase fixed installations), H05RN-F at 300/500V, and separately specified heavy-duty rubber cable designs. The exact construction, available size and compliance requirements should be confirmed against the selected product specification.
This article explains how to identify the H07RN-F designation, compare relevant rubber cable options, check the main technical parameters and prepare an RFQ that helps a manufacturer quote the cable you actually need.
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Key Takeaways
H07RN-F is a designation used for a flexible rubber-insulated and rubber-sheathed cable in the harmonized European cable designation system. It is commonly selected for portable electrical equipment, industrial connections and applications where a flexible cable is required.
The designation gives buyers an initial indication of the cable type and rated voltage. It does not specify every detail required for procurement, such as the number of cores, conductor cross-section, outer diameter, exact compound formulation, packaging or delivery length.
| Designation | General meaning | Procurement relevance |
|---|---|---|
| H | Harmonized cable designation | Confirm the applicable harmonized standard and product conformity. |
| 07 | Rated voltage 450/750V | Check that the rating matches the electrical system and project specification. |
| R | Rubber insulation designation (typically Ethylene Propylene Rubber – EPR) | Confirm the insulation compound and its applicable requirements. |
| N | A specified chloroprene-type sheath designation (Polychloroprene – CR or equivalent heavy-duty synthetic rubber) | Confirm the actual sheath compound and required environmental performance. |
| F | Flexible conductor | Confirm conductor class and the cable’s intended movement or installation duty. |
Important: A designation is a useful starting point, not a complete technical specification. The exact construction and applicable standard should be stated in the manufacturer’s datasheet and confirmed in the quotation.
H07RN-F is commonly associated with a 450/750V rating. Huanghe Cable’s published product page also lists a separately specified 0.6/1kV heavy-duty rubber cable option. These should be treated as distinct specification cases, not as proof that every standard H07RN-F design is rated at 0.6/1kV.
The following table summarizes the published range as a starting point for an inquiry. It is not a guarantee that every conductor size is available with every core configuration, voltage rating or construction.
| Product option | Published voltage rating | Published core range | Published cross-section range | Key confirmation |
|---|---|---|---|---|
| H07RN-F standard | 450/750V (up to 600/1000V) | 1–5 cores | 1.5–240 mm² (Large sizes >95mm² manufactured as heavy-duty custom configurations per relevant IEC/VDE standards) | Confirm exact core/size combination and datasheet. |
| Separately specified 0.6/1kV heavy-duty rubber cable (e.g., industrial custom types) | 0.6/1kV | 1–5 cores | 2.5–300 mm² | Confirm designation, construction, applicable standard and voltage rating. |
| H05RN-F | 300/500V | 2–5 cores | 0.75–6 mm² | Confirm whether its voltage and duty are suitable for the application. |
These ranges are drawn from Huanghe Cable’s published product information. They should be reconfirmed before ordering, especially when the RFQ combines a larger conductor cross-section, a specific core count, a particular voltage rating or a special sheath requirement.
A reference such as H07RN-F 4G6 commonly describes a four-core cable with 6 mm² conductors, including a green/yellow protective conductor. In this notation, G indicates that the cable includes a green/yellow protective conductor. An X in a relevant product reference indicates that a green/yellow core is not included.
Always verify the manufacturer’s complete ordering reference and core identification. Do not assume that a model shorthand alone confirms the complete construction, conductor class, external dimensions or certification status.
The required conductor cross-section depends on the connected load, installation method, cable length, ambient conditions, grouping, voltage drop, the 90°C maximum conductor operating temperature, ambient temperature correction factors, and multi-core bundling coefficients. A current-carrying capacity table from one manufacturer should not automatically be applied to a different construction or installation condition.
For a project quotation, provide the load or required conductor size if known, along with the voltage, cable length and installation environment. If the size has not been finalized, ask the project’s electrical engineer to establish the design requirement before treating a supplier’s suggested size as an approved selection.
Specification checkpoint
Request the voltage rating, conductor size, core count, conductor class, protective conductor arrangement, applicable standard and datasheet together. These details form a more reliable basis for comparing quotations than the H07RN-F label alone.
The performance of a flexible rubber cable depends on the complete construction rather than the outer sheath alone. The conductor, insulation, core assembly and outer sheath must work together to meet the intended electrical and mechanical requirements.
| Cable component | Typical specification consideration | What buyers should confirm |
|---|---|---|
| Conductor | Flexible stranded copper; tinned copper may be offered for specified designs. | Copper type, conductor class, nominal cross-section and applicable resistance requirements. |
| Insulation | Rubber compound appropriate to the selected cable design (typically Ethylene Propylene Rubber – EPR). | Compound designation, thickness, voltage rating and temperature requirements. |
| Core assembly | Single-core or multicore construction with specified identification. | Core count, protective conductor, colours or numbering, and any special layout. |
| Outer sheath | A rubber sheath suitable for the specified environment and cable standard (Polychloroprene – CR or equivalent heavy-duty synthetic rubber). | Exact compound, colour, sheath thickness and required oil, weather or abrasion performance. |
| Finished cable | Completed assembly manufactured to the agreed specification. | Overall diameter, electrical tests, marking, drum or coil length and documentation. |
Flexible stranded copper is commonly used in H07RN-F cable to support connection and movement requirements. Tinned copper may be considered when required by the customer’s specification or the selected design. It is particularly recommended in high-humidity, marine, or corrosive environments, and prevents copper oxidation caused by certain rubber compounding ingredients. It should not be assumed to be included in every standard product.
For an RFQ, state whether bare copper or tinned copper is required, identify the conductor class if specified, and request the applicable conductor resistance information. If the project calls for a particular conductor construction, include that requirement explicitly.
Rubber cable is a broad product category. Different elastomer compounds have different electrical, thermal, mechanical and environmental properties. EPR-type insulation and a chloroprene-type outer sheath are commonly associated with H07RN-F constructions, but the actual material designation and compound requirements must be confirmed in the relevant product documentation.
If the cable will encounter oils, cleaning agents, outdoor weather, abrasion or frequent movement, describe the actual exposure and request confirmation of the cable’s suitability. A general statement that a cable is “rubber” or “heavy-duty” is not a substitute for a specified performance requirement.
H07RN-F is commonly used for flexible power connections in industrial and construction environments. As a versatile H07RN-F flexible cable, its suitability for a particular installation depends on the exact cable specification, the equipment, the voltage and the mechanical or environmental conditions.
| Application | Typical procurement concern | Information to specify |
|---|---|---|
| Construction equipment | Handling, abrasion and site conditions. | Load, cable length, voltage, movement and environmental exposure. |
| Industrial machinery | Connection arrangement and operating duty. | Equipment rating, cores, conductor size, connection method and installation conditions. |
| Portable electrical equipment | Flexibility and repeated handling. | Required conductor class, movement conditions, length and rated voltage. |
| Temporary power connections | Correct rating and protection in the actual environment. | Load, protection arrangements, cable routing, exposure and applicable local requirements. |
| Industrial mobile equipment | Movement, winding or mechanical stress. | Whether the selected design is approved for the actual movement and winding duty. |
A cable suitable for a flexible connection is not automatically suitable for every mobile, reeling, submerged or permanently buried application. If the installation involves continuous movement, a cable reel, immersion, high temperatures or unusual chemical exposure, disclose these conditions before ordering.
Buyers sometimes compare these products because they are all associated with flexible cable applications. However, they should not be substituted for one another solely because they have rubber insulation or a flexible conductor.
| Cable type | Published or typical rating | Primary selection consideration | What to verify |
|---|---|---|---|
| H07RN-F | 450/750V for the standard designation | Flexible power connections for industrial and construction duties. | Core and size combination, sheath, duty and applicable standard. |
| H05RN-F | 300/500V | Applications for which its lower voltage rating and construction are suitable. | Equipment requirements, environmental conditions and permitted duty. |
| Welding cable | Depends on cable type and applicable standard. | Welding-current connections and the intended welding circuit. | Welding cable designation, current duty, cross-section, flexibility and relevant standard. |
For welding applications, review the cable specifically designed for the welding circuit instead of assuming that H07RN-F is a direct substitute. Huanghe Cable also supplies a dedicated welding cable product range.
Similarly, the voltage rating of H05RN-F should not be treated as equivalent to H07RN-F. The correct choice depends on the equipment, the required rating, the application and the relevant installation rules.
H07RN-F is commonly specified in relation to the applicable harmonized rubber cable requirements, including relevant parts of the EN 50525 series. IEC 60245 is also relevant to rubber-insulated cable standards. The exact standard and edition must be confirmed for the product being purchased; a model name alone does not prove compliance with every standard or certification scheme.
For international projects, the buyer should identify the standard named in the tender or technical specification. If a customer requires a harmonization mark, third-party certification, a specific test report or a country-specific approval, state this in the RFQ and request evidence applicable to the exact product.
A supplier’s company-level quality system certificate is not the same as a product certification. Buyers should check the scope, issuing body, validity and product coverage of the documents rather than relying on a general statement that a supplier is certified.
For procurement teams, the objective of an RFQ is to give manufacturers a consistent technical and commercial basis for pricing. If key information is missing, the supplier may need to make assumptions, ask follow-up questions or quote a construction that is not directly comparable with other offers.
Use the checklist below when preparing an inquiry to Huanghe Cable or another cable manufacturer.
| RFQ item | Information to provide | Why it matters |
|---|---|---|
| Model and standard | H07RN-F or the exact requested cable designation; required standard. | Defines the product basis for the quotation. |
| Voltage rating | Required rated voltage and any project-specific electrical requirements. | Prevents comparison of different voltage classes. |
| Conductor | Copper or tinned copper, nominal cross-section and conductor class if specified. | Affects the design, material quantity and technical compliance. |
| Core configuration | Number of cores, protective conductor requirement and identification. | Defines the required cable assembly. |
| Insulation and sheath | Required compound or performance characteristics, colour and special conditions. | Clarifies environmental and construction requirements. |
| Application | Equipment, installation method, movement, temperature and environmental exposure. | Helps the manufacturer check whether the proposed design is suitable. |
| Quantity and length | Total quantity, individual cut lengths, drum or coil preference. | Supports material planning, packaging and price calculation. |
| Destination and trade terms | Destination country or port, preferred Incoterm and delivery requirements. | Allows freight and commercial terms to be addressed. |
| Quality documents | Required test reports, inspection, certification and shipment documents. | Avoids late clarification of contractual documentation. |
The following is an example of how a buyer can describe a requirement. It is a sample inquiry format, not a statement that every listed detail has already been approved for a specific project.
Sample RFQ details
If you already have a cable schedule, datasheet or project specification, attach it to your inquiry instead of retyping every parameter. The manufacturer can then identify missing details and confirm the proposed construction before issuing a quotation.
Have an H07RN-F specification or cable schedule ready?
Huanghe Cable is a cable manufacturer established in 1980. Its published rubber cable range includes H07RN-F, H05RN-F and welding cable products, with different conductor sizes, core configurations and construction options subject to the selected model and confirmed production specification.
For an H07RN-F inquiry, the practical starting point is the complete cable requirement: voltage rating, cross-section, core count, conductor construction, application and quantity. These details help the technical and sales teams identify the relevant product option and determine whether the requested combination can be supplied.
The product page provides a starting point for discussing available options, but the final quotation and approved datasheet should define the exact cable construction. Where a project requires a particular certificate or third-party approval, request confirmation that the document applies to the exact model and rating being purchased.
To review the product range, visit Huanghe Cable’s H07RN-F rubber cable page. For welding-specific requirements, see the dedicated welding cable product page.
The standard H07RN-F designation is commonly associated with a rated voltage of 450/750V. Other heavy-duty rubber cable designs may be specified at different ratings, but they should not automatically be treated as standard H07RN-F. Confirm the designation, construction and datasheet for the exact product.
A key distinction is the rated voltage: H07RN-F is commonly rated at 450/750V, while H05RN-F is commonly rated at 300/500V. Their construction and intended applications may also differ. Select the cable based on the equipment requirements, installation conditions and applicable standard.
H07RN-F is used in applications that may involve outdoor conditions, but suitability depends on the exact cable design and the exposure. Confirm the specified weather, UV, ozone, water and temperature requirements with the manufacturer rather than assuming every product has the same environmental rating.
Not automatically. A cable suitable for flexible connections may not be approved for continuous reeling, high mechanical stress or a particular moving installation. Tell the manufacturer how the cable will move, bend or wind, and request confirmation that the selected design is appropriate.
Do not assume that a standard H07RN-F cable is suitable for direct burial. Direct burial requires consideration of the applicable installation rules, mechanical protection, moisture exposure and the cable’s specific approval. Obtain project-specific confirmation before selecting a cable for underground installation.
Huanghe Cable’s published H07RN-F range lists 1–5 cores and 1.5–240 mm² for its standard 450/750V option. A separately specified 0.6/1kV heavy-duty option is also listed. These ranges do not mean every size and core combination is available; confirm the exact configuration with the manufacturer.
Price depends on the conductor material and cross-section, number of cores, rated voltage, insulation and sheath construction, quantity, cut lengths, packaging, required documents and delivery terms. To compare offers accurately, request quotations against the same technical specification and commercial basis.
Provide the cable designation, rated voltage, conductor size, number of cores, conductor type, quantity, required lengths, application conditions, applicable standard, destination and required test or inspection documents. A datasheet or cable schedule can help the supplier confirm the exact design.
Send Huanghe Cable your required voltage, conductor size, core configuration, quantity and destination. If you have a cable schedule or technical datasheet, include it so the requested construction can be reviewed before quotation.
Review Huanghe Cable’s product information and discuss the required voltage rating, size and core configuration.
Explore the dedicated product range for welding-circuit requirements rather than treating welding cable as an automatic substitute for H07RN-F.
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