Every other fill calculator speaks one code and one language. This one speaks yours.
CEC (Canada) · NEC (USA) · BS 7671 / IEC 60364 — covering NICEIC, NAPIT, DIN VDE, the Gulf, and the wider IEC world. Switch in one tap.
The whole app — not just a menu — in the languages actually spoken on the jobsite.
Every table checked line-for-line against the official code book. You can point to the page.
Made by a Red Seal Master Electrician who got tired of doing it by hand.
Questions, a translation that reads wrong, a bug, or a feature idea? Reach out — a real electrician reads every message.