NEC Box Fill Calc
Offline NEC 314.16(B) box-fill checker for electricians, with a complete single-box answer and an optional local Rough-In Box Schedule for reusable field handoff.
Launch scope
- Complete single-box PASS / OVERFILLED result and breakdown
- Optional one-time unlock for a local, labeled multi-box schedule
- Shareable plain-text handoff with corrections listed first
- No account, ads, analytics SDK, cloud sync, or server dependency
FAQ
Does it work offline?
Yes. The launch build performs its core box-fill workflow on device.
Does it collect my data?
No. The launch build does not include ads, analytics SDKs, cloud sync, or remote account storage.
How do I report an issue?
Email the support address with your device model, iOS version, app version, and the steps you used before the issue appeared.