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Nex Cables are certified under multiple national and international standards: ISI Mark (BIS) under IS 694 and IS 7098, IEC 60227 for FR-grade PVC cables, IEC 62930 for solar DC cables, TUV Rheinland for solar products, ISO 9001:2015 quality management, and ROHS compliance for halogen-free, eco-safe manufacturing. You can verify our ISI license number on the BIS website for complete authenticity assurance.

Cable sizing depends on the load (in amperes) the circuit will carry. As a general guide for Indian homes: 1.0 sq mm is suitable for light points and fans (up to 5A), 1.5 sq mm for 5A plug points and small appliances, 2.5 sq mm for 15A power points, air coolers, geysers, and refrigerators, 4.0 sq mm for 1.5 ton air conditioners, and 6.0 sq mm for 2 ton ACs and heavy loads. Always consult a licensed electrician for final sizing, accounting for cable length and installation conditions.

No — this is a common and dangerous mistake. Solar installations operate on DC (Direct Current), which behaves very differently from AC. Solar DC cables must handle continuous high-temperature outdoor exposure, UV radiation, and the specific DC arc-fault risks that standard AC cables are not rated for. Nex Solar DC Cable (IEC 62930 certified) uses UV-resistant XLPE insulation, tinned copper conductors to resist moisture-induced corrosion, and is rated for 1500V DC and temperatures from -40°C to +90°C. Using ordinary house wire on solar panels voids warranties and is a serious fire risk.

Yes. Nex Cables supplies to contractors, builders, electricians, and industrial buyers across all 28 states in India. We offer competitive bulk pricing for orders above 500 meters, with special rates for project orders above 2000 meters. Free delivery is available for orders above ₹5,000. For large project requirements, custom quotations, and technical specifications, please fill the contact form or call our sales team directly at +91 9876543210.

To verify authenticity: (1) Check for the ISI mark printed at regular intervals on the cable sheath along with our BIS licence number. (2) Verify the licence number on the official BIS website (bis.gov.in). (3) The cable jacket should clearly show the brand name "Nex", conductor size, number of cores, and voltage rating. (4) Purchase only from authorised Nex dealers — use our Dealer Locator on the website. (5) Check for consistent printing quality; counterfeit cables often have blurry or faded markings. For any doubt, contact us directly with a photo of the cable.

Nex provides 24/7 technical support through our dedicated application engineering team. We assist with cable selection and sizing for your specific application, project specification compliance, installation guidance, and regulatory queries. For large projects (commercial, industrial, infrastructure), our engineers can visit the site for consultation. Reach us via phone at +91 9876543210, email at info@ecommerce.com, or through the contact form on our website.