Box Fill Calc NEC is a specialized utility designed to perform electrical box volume calculations based on NEC 2023 Article 314.16 standards. It provides field-ready tools for electricians and engineers to verify compliance with conductor sizing, grounding, and box capacity requirements offline.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For Electricians, electrical apprentices, and electrical engineers working on job sites.
Key features
Calculates box fill volumes using official data from NEC 2023 Tables 314.16(A) and 314.16(B).
Includes presets for standard metal boxes like device, round, octagonal, square, masonry, FS, and FD types.
Features a PASS/FAIL indicator with fill percentages and suggests alternative box sizes when current configurations are over-filled.
Accounts for equipment grounding conductors, isolated grounding, internal cable clamps, fixture studs, and hickeys.
How much does it cost?
Velocity
Who built it?
Rizvan Adzhoian
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Competitive landscape for Box Fill Calc NEC
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Key takeaways for Box Fill Calc NEC
Where is it heading?
Bottom line
This app serves as a portable, offline reference tool for ensuring electrical box installations meet NEC 2023 code requirements.
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