Back to the charts

Ranklookout

509 Box Fill: NEC 314 — App Store rankings

Nicole Nalley · Utilities · View on the App Store

About this app

The developer's US App Store description, in full.

Calculate box fill per NEC 314.16 and pull/junction-box minimum dimensions per NEC 314.28 in seconds. 509 Box Fill is a fast, local-first field calculator built for electricians, journeymen, and apprentices. Enter conductor counts, clamp and device allowances, and equipment grounds to get the required cubic-inch fill and pass/fail status against a standard or custom box volume. Switch to Min Box to find the smallest standard box that fits. Use Pull Box to calculate minimum box dimensions for straight and angle/U-pull raceway entries. Designed for quick use: • NEC 314.16(B) conductor volume allowances • NEC 314.16(A) standard box volumes with pass/fail result • Min Box recommends the smallest standard box that fits • NEC 314.28 pull and junction box sizing for straight and angle/U pulls • Light and dark mode • Suite accent color picker • NEC reference citations on every work line • Local-first settings; no account or sign-in required 509 Box Fill is a field calculator. Always verify against the NEC adopted in your jurisdiction.

509 Box Fill: NEC 314 is not in the top 100 free charts we capture daily. Use the live check below to look at all 12 countries right now.

More from Nicole Nalley

Check live

Your browser reads Apple's charts right now, so this is live rather than from yesterday's capture.