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Version
1.0.2
Size
5.63 Mb
Updated
1 month ago
Released
05 Feb 2026
Description
NEC calculator for electricians. Quickly calculate conduit fill, voltage drop, and wire ampacity using NEC tables.
QuickNEC is a professional National Electrical Code (NEC 2023) calculator and reference tool built for electricians, electrical engineers, and inspectors.
Perform conduit fill, wire ampacity, voltage drop, and grounding calculations in seconds, with clear NEC references designed for real job-site use.
PROFESSIONAL ELECTRICAL CALCULATORS
- Conduit Fill: Calculate fill percentages per NEC Chapter 9
- Wire Ampacity: Full derating with temperature and conductor adjustments
- Voltage Drop: Single-phase and three-phase electrical systems
- Grounding: EGC and GEC sizing per NEC 250.122 and 250.66
NEC-BASED REFERENCE
- Calculations and reference values verified against NFPA 70 (NEC 2023)
- Clear NEC table and article references included with results
- Designed to support field work, inspections, and documentation
QuickNEC is an independent reference tool and is not affiliated with or endorsed by NFPA.
FAST SEARCH AND TABLE BROWSER
- Browse and search NEC reference tables
- Bookmark frequently used tables
- Search within tables for quick lookups
INSPECTOR MODE
- Professional formatting for inspections
- Enhanced NEC references for documentation
- Clear pass and fail indicators
FAVORITES AND SHARING
- Save common calculator configurations
- Quick access to frequently used calculations
- Share results using the iOS share sheet
BUILT FOR THE JOB SITE
- Fully offline, no internet required
- Fast full-text search across NEC content
- Large tap targets and dark mode optimized for field use
- VoiceOver accessible
IMPORTANT NOTICE
QuickNEC is provided as a reference tool only. Users must always verify calculations against the official NFPA 70 (National Electrical Code) and applicable local amendments. All electrical work must be performed by licensed professionals in accordance with local codes and regulations.
IDEAL FOR
- Licensed electricians
- Electrical engineers
- Code inspectors
- Electrical contractors
- Apprentices and students
- Job-site quick reference needs
No subscriptions. One-time purchase.
Estimates
Availability
Devices
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
iPad75
iPad76
iPhoneXS
iPhoneXSMax
iPhoneXR
iPad812
iPad834
iPad856
iPad878
iPadMini5
iPadMini5Cellular
iPadAir3
iPadAir3Cellular
iPodTouchSeventhGen
iPhone11
iPhone11Pro
iPadSeventhGen
iPadSeventhGenCellular
iPhone11ProMax
iPhoneSESecondGen
iPadProSecondGen
iPadProSecondGenCellular
iPadProFourthGen
iPadProFourthGenCellular
iPhone12Mini
iPhone12
iPhone12Pro
iPhone12ProMax
iPadAir4
iPadAir4Cellular
iPadEighthGen
iPadEighthGenCellular
iPadProThirdGen
iPadProThirdGenCellular
iPadProFifthGen
iPadProFifthGenCellular
iPhone13Pro
iPhone13ProMax
iPhone13Mini
iPhone13
iPadMiniSixthGen
iPadMiniSixthGenCellular
iPadNinthGen
iPadNinthGenCellular
iPhoneSEThirdGen
iPadAirFifthGen
iPadAirFifthGenCellular
iPhone14
iPhone14Plus
iPhone14Pro
iPhone14ProMax
iPadTenthGen
iPadTenthGenCellular
iPadPro11FourthGen
iPadPro11FourthGenCellular
iPadProSixthGen
iPadProSixthGenCellular
Pricing by country
| Country | Price |
|---|---|
| Canada | 12.99 CAD |
| China | 68 CNY |
| France | 9.99 EUR |
| Germany | 9.99 EUR |
| Italy | 9.99 EUR |
| Netherlands | 9.99 EUR |
| Portugal | 9.99 EUR |
| Spain | 9.99 EUR |
| UK | 9.99 GBP |
| India | 999 INR |
| Japan | 1500 JPY |
| Korea, Republic Of | 17000 KRW |
| Poland | 49.99 PLN |
| Russia | 899 RUB |
| Turkey | 499.99 TRY |
| USA | 9.99 USD |
| Ukraine | 11.99 USD |
