Application and Description：
These cables are used for internal wiring of switchboards and distribution boards at AC voltages up to 1000V or
DC voltages up to 750V. They are generally installed in ducts and are used for internal wiring of equipment with
an operating temperature of 90°C. They are suitable for use in public places (such as government buildings, etc.)
where smoke and toxic gases may cause threats to life and damage to equipment. This cable does not produce
corrosive gases when burned, which is particularly important for electrical equipment.
Standards and Approvals：
HD 22.9 S2, VDE-0282 Part 9, BS 7211, IEC 60754-2, EN 50267, VDE 0482-267,
Cable Construction：
- Stranded flexible bare copper conductor
- Complies with VDE-0295 Cl 5, IEC 60228 Cl-5 BS 6360 cl. 5, HD 383
- Cross-linked polyolefin EI5 insulation
- LSOH - Low Smoke Zero Halogen
Technical Features：
- Working voltage: 300/500v (H05Z-K), 450/750v (H07Z-K)
- Test voltage: 2500 V
- Dynamic bending radius: 8 x Ø
- Static bending radius: 8 x Ø
- Working temperature during application: -15º C to +90º C
- Flame retardant: IEC 60332.1
- Insulation resistance: 10 MΩ x km
- Smoke density complies with EN 50268 / IEC 61034
- Gas corrosivity complies with EN 50267-2-2, IEC 60754-2
- Flame retardant test complies with EN 50265-2-1, IEC 60332.1
Cable parameters：
|
Number of cores x conductor cross-sectional area
# x mm²
|
Nominal insulation thickness mm
|
Nominal outer diameter mm
|
Nominal copper weight kg/km
|
Nominal cable weight kg/km
|
|
H07Z-K
|
|
1 x 1.5
|
0.7
|
3.5
|
14.4
|
24
|
|
1 x 2.5
|
0.8
|
4
|
24
|
35
|
|
1 x 4
|
0.8
|
4.8
|
38
|
51
|
|
1 x 6
|
0.8
|
6
|
58
|
71
|
|
1 x 10
|
1.0
|
6.7
|
96
|
118
|
|
1 x 16
|
1.0
|
8.2
|
154
|
180
|
|
1 x 25
|
1.2
|
10.2
|
240
|
278
|
|
1 x 35
|
1.2
|
11.5
|
336
|
375
|
|
1 x 50
|
1.4
|
13.6
|
480
|
560
|
|
1 x 70
|
1.4
|
16
|
672
|
780
|
|
1 x 95
|
1.6
|
18.4
|
912
|
952
|
|
1 x 120
|
1.6
|
20.3
|
1152
|
1200
|
|
1 x 150
|
1.8
|
22.7
|
1440
|
1505
|
|
1 x 185
|
2.0
|
25.3
|
1776
|
1845
|
|
1 x 240
|
2.2
|
28.3
|
2304
|
2400
|
Robust Conductor & Low-Emission Insulation ArchitectureThe stranded copper conductor in H07Z-K ensures better mechanical flexibility compared to solid cores, while maintaining high electrical conductivity. This feature is particularly beneficial when routing inside conduits or switchboard compartments where space is constrained and bending is required. The LSZH insulation system addresses fire safety and emission concerns—if exposed to fire, the cable releases minimal smoke and no halogen gases, enhancing occupant safety and equipment protection. This design aligns with wire manufacturers focusing on advanced wiring solutions and contributes to the use of sustainable cable materials in modern installations.Efficiency in Cable Manufacturing WorkflowsFrom the perspective of a bulk cable manufacturing operation or wiring harness assembler, the H07Z-K is well-suited to streamlined production. Standard cross-sections, well-documented insulation specifications and predictable outer diameters support efficient cutting, bundling, labelling and installation processes. This reduces variability in manufacturing, shortens lead times, and allows for better cost control and quality assurance. The alignment of conductor, insulation and installation ratings means wiring houses and OEMs can standardise on this specification confidently.Enhanced Long-Term Performance in Fixed Power Supply SystemsWhen incorporated into fixed wiring for buildings or equipment, the H07Z-K delivers reliable power supply performance. The high-quality copper conductor ensures minimal resistive losses and stable voltage delivery over long runs. The LSZH insulation supports safe operation within safe ambient conditions (up to +90 °C) and in environments with fire risk or where smoke reduction is vital. This results in lower maintenance, fewer rewires and a longer lifecycle for wiring systems—delivering improved value to building owners, contractors and wiring system integrators.
Use Scenarios
Electrical Contractor Wiring a Government/Public Building
An electrical contractor is tasked with wiring distribution boards and lighting feeders in a large government building with stringent safety requirements. They select the H07Z-K cable because its LSZH insulation minimises smoke and toxic gas emissions—important in public-accessible areas. As a professional installer working with trusted wire manufacturers, they rely on the standardised specification to ensure consistent installation, reliable power supply and compliance with regulatory fire-safety codes. The use of this cable supports an installation that meets both electrical and occupant-safety expectations.
Panel Builder Supplying OEM Control Cabinets
A panel builder producing control cabinets for industrial equipment integrates the H07Z-K single-core copper wire for internal feeder circuits and terminal connections. Because their operation involves wiring harnesses and assembly across multiple units, they benefit from the wire’s compatibility with large-scale cable manufacturing workflows and standardised dimensions. The cable’s stranded copper conductor and LSZH insulation facilitate neat routing, clear labelling and reliable termination—all contributing to quicker assembly, reduced re-work and enhanced product consistency for their OEM customers.
Maintenance Engineer Upgrading Campus Infrastructure Wiring
A maintenance engineer at a university campus is tasked with upgrading legacy wiring in multiple building switchboard rooms to meet current fire-safety and wiring standards. They choose the H07Z-K cable for fixed wiring replacements because it meets the ambient and voltage ratings required and aligns with the institution’s focus on sustainable cable materials—reducing future maintenance while improving safety. By using this high-quality copper wire, the engineer ensures that each upgraded circuit supplies dependable power to classrooms, labs and offices, reinforcing the facility’s long-term value in infrastructure investment.
About Us
Jinda Cable is a well-established manufacturer specialising in low-voltage single-core and multi-core wires, serving wiring system suppliers, panel assemblers, OEMs and installation contractors across global markets. With decades of experience, our brand emphasises rigorous quality assurance, full traceability and adherence to international wiring standards. We collaborate closely with recognised wire manufacturers and integrate cutting-edge practices in cable manufacturing, while selecting materials that contribute to sustainable cable materials strategies. Our customer base includes wiring wholesalers, panel production houses and large-scale installation integrators who demand dependable, high-performance wiring solutions. Reach out to receive specification sheets or order samples from our technical sales team today!
FAQ
1.What is the recommended environment for installing the H07Z-K cable?
This cable is intended for fixed installation inside ducts, trunking or conduits in dry environments, and is rated for use in wiring switchboards or distribution panels up to 1000 V AC or 750 V DC in ambient conditions up to +90 °C.
2.What type of technical support and warranty do you provide for this wire?
We provide full documentation of conductor class, insulation type (LSZH), voltage rating and standard compliance for the H07Z-K. Our warranty covers manufacturing defects in material and workmanship under normal installation usage, in line with our standard brand-policy terms.
3.Can the H07Z-K cable be integrated into existing wiring systems or reused in panel build-outs?
Yes. The H07Z-K uses standard conductor cross-sections and LSZH insulation compatible with modern wiring systems. When integrating into existing systems, ensure conductor sizing, ambient temperature, termination methods and installation environment meet specification to maintain safe and efficient power supply performance.
4.What is the typical lead time and supply cycle when ordering this cable?
Standard cross-sections and colours are typically held in stock. For special orders, custom lengths, non-standard colours or large volumes, please consult our sales team for current lead time estimates.
5.How does Jinda address material sustainability and environmentally responsible manufacturing?
We source high-quality copper wire conductors from certified suppliers, apply insulation systems that meet low-smoke zero-halogen (LSZH) requirements, and structure our production in alignment with sustainable cable materials practices. Our quality and environmental teams monitor processes for minimal waste and high recyclability.
