4mm² Single Core Solar Cable H1Z2Z2-K Tinned Copper Wire for PV Systems
4mm² H1Z2Z2-K solar cable
,tinned copper single core PV wire
,H1Z2Z2-K cable for PV systems
1. Product Overview
The 4mm² single core solar cable is designed for electrical connections in photovoltaic (PV) systems. It is suitable for connecting solar panels, string wiring, and other compatible DC components in residential, commercial, and utility-scale solar installations.
Manufactured with a tinned copper conductor and cross-linked insulation and sheath materials, the cable can be specified for outdoor photovoltaic applications where resistance to sunlight, temperature variations, and environmental exposure is required. The final performance depends on the selected cable construction and applicable certification.
F.T Cable supports customized conductor sizes, cable colors, packaging, and order requirements according to project specifications.

2. Product Features
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4mm² Conductor Size: Suitable for PV wiring applications where the required current-carrying capacity and voltage drop have been verified.
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Tinned Copper Conductor: Provides good electrical conductivity and improved resistance to conductor surface oxidation.
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Cross-Linked Insulation and Sheath: Available in photovoltaic cable constructions designed for demanding outdoor environments.
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UV and Weather Resistance: Specifiable according to the applicable product standard and test requirements.
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Flexible Installation: Suitable for routing between compatible PV modules and electrical components.
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OEM & ODM Support: Custom cable lengths, colors, packaging, and conductor specifications available upon confirmation.

3. Technical Specifications
Single Core Solar Cable
Twin/Dual Core Solar Cable
4. Application Fields
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Solar panel and PV module connections
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Photovoltaic string wiring
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Residential rooftop solar systems
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Commercial and industrial PV installations
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Utility-scale solar power projects
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DC connections between compatible photovoltaic components
Cable size selection should account for operating current, cable length, installation method, ambient temperature, grouping, and applicable electrical regulations.

5. Packaging and Quality Assurance
F.T Cable can arrange cable packaging according to order quantities, transportation requirements, and customer preferences. Available options can include coils, reels, or drums, subject to production arrangements.
Before ordering, buyers can confirm the conductor material, cable construction, color, printing, required standards, testing documents, and packaging details. Inspection and documentation should follow the agreed purchase specifications.
Customized orders are subject to technical confirmation, production scheduling, and order requirements.
6. Frequently Asked Questions
Q1: What is 4mm² solar cable used for?
It is commonly specified for photovoltaic module connections and solar string wiring when its current capacity and voltage drop meet the system design requirements.
Q2: Is tinned copper suitable for solar cable?
Tinned copper offers good conductivity and helps protect the conductor surface against oxidation. Its suitability depends on the complete cable design and application requirements.
Q3: Can this cable be installed outdoors?
Yes, when the selected product is designed and certified for the intended outdoor photovoltaic environment.
Q4: Can I order customized cable colors and lengths?
Customization may be available depending on order quantity, manufacturing capability, and project requirements.
Q5: What documents should I request before purchasing?
Request the product datasheet, applicable test reports, certification documents where required, and confirmation that the exact cable construction is covered.
Contact F.T Cable with your required quantity, technical specifications, and destination market to discuss your photovoltaic cable requirements.