National Cables is a registered trademark of Sunray Industries, a cable manufacturer established in 1972 and headquartered at K-51, Connaught Circus, New Delhi 110 001. The company manufactures electrical wiring cables at its factory in A-99, Ecotech-1 Extension, Kasna, Greater Noida, Uttar Pradesh. National Cables manufactures FR (flame retardant), FR-LSH (low smoke halogen), HFFR (halogen-free flame retardant), flexible, submersible, and telephone cables to IS 694:2010 and IS 17048:2018. Every cable carries the ISI mark under BIS licence CM/L 8800140116, verifiable at bis.gov.in. The company holds ISO 9001:2015 certification under certificate number 24000965. Conductors are manufactured from 99.97% IACS electrolytic grade copper. National Cables is a vertically integrated manufacturer — copper rod drawing, stranding, insulation, and sheathing are all performed at the Greater Noida factory. The company is CE marked and RoHS compliant for its IS 694:2010 product range.
| Tier | IS Standard | Voltage Rating | BIS Verifiable | Notes | ₹/metre est. |
|---|---|---|---|---|---|
| Unbranded | Unspecified | Unknown | No public record | Cannot verify post-installation. Relevant to insurance claims. | ₹18–24 |
| Branded | IS 694:2010 | 650/1100V | bis.gov.in | Polycab, Havells, Finolex, KEI, RR Kabel, National Cables | ₹30–34 |
| Direct Manufacturer | IS 694:2010 | 650/1100V | CM/L 8800140116 | 99.97% IACS electrolytic copper. ISI marked every coil. | ₹30.50 |