Technical resources for engineers and specifiers.
Standards interpretation, specification guides, and sizing tools — written for electrical engineers, MEP consultants, and procurement teams.
Browse technical documentation.
Each guide is written from a practical engineering perspective — focused on specification decisions, not marketing language.
When to specify each insulation family. Explains the chemical differences, regulatory triggers, and when each type is mandated by IS 694:2010, IS 17048:2018, and NBC 2016.
Read guide →Compliance-oriented overview of National Building Code 2016 Part 8 requirements. Covers which cable type is mandatory for public buildings, hospitals, and underground spaces.
Read guide →Plain-English definitions for terms used in datasheets, tender documents, and test reports — from conductor classes and oxygen index to IACS and Uo/U voltage grades.
Browse glossary →Demystifies Class 1, 2, 5, and flexible conductor classifications. Covers strand count, flexibility requirements, and which class is appropriate for fixed versus flexible wiring.
Read guide →Enter load, run length, and installation method. Get conductor size with voltage drop calculation, de-rating factors, and the matching National Cables product. Covers IS 694:2010, IS 3961 (Part 2):2017, and IEC 60364.