Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.
Only the current version so far — new entries appear as the app ships updates.
Box Fill NEC 314 Calculator is a tools app by Rizvan Adzhoyan with 500+ downloads (about 604 estimated). +31 installs in the last 7 days. Released Mar 3, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “NEC box fill calculator. Junction box volume per Article 314.16. Offline.”
