Offline NEC code tables and calculators for 2020 & 2023 editions
Calculate conduit fill for any conductor combination. Supports all standard conduit types and wire sizes per NEC Chapter 9.
Quick access to NEC Tables 310.15(B)(16) and 310.15(B)(17). Includes temperature ratings and correction factors.
Calculate required box volume per NEC 314.16. Accounts for conductors, devices, clamps, and fittings.
Complete motor FLC tables from NEC 430. Single-phase, three-phase, DC motors with all voltage ratings.
All tables and calculators work without internet. Perfect for job sites with poor connectivity.
Switch between NEC 2020 and 2023 editions. Stay current with the latest code requirements.
Yes, all NEC tables and calculators work completely offline. Once installed, you don't need an internet connection to access any features. Perfect for job sites with limited connectivity.
Use the NEC edition that your jurisdiction has adopted. Most areas adopt new editions 1-3 years after publication. Check with your local AHJ (Authority Having Jurisdiction) to confirm which edition applies to your work.
The conduit fill calculator uses official NEC Chapter 9 tables and calculations. It accounts for conductor areas, conduit internal diameters, and the 40% fill limit for 3+ conductors. Results match manual calculations per NEC requirements.
Yes, NEC Pocket Tables is designed for professional electricians doing residential, commercial, and industrial work. All data comes directly from NEC standards and is suitable for code-compliant installations.
Join thousands of electricians who trust NEC Pocket Tables for fast, accurate code references.
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