MasterElec - NEC Code Guide
TWOSCRIPTS LABS INC. Utilities iPhoneiPadiPod touch
MasterElec - NEC Code Guide is a free Utilities app for iPhone and iPad by TWOSCRIPTS LABS INC. Rated 4.6/5 from 9 ratings. Requires iOS 17.0.
- Rating
- 4.6
- 9 ratings
- Price
- Free
- on the App Store
- Size
- 28 MB
- Age 4+
- Updated
- Sep 17
- 2026 · v1.2
Screenshots
About MasterElec - NEC Code Guide
Stop pausing your workflow for manual code lookups. MasterElec is a voice-powered assistant built for electricians that works offline. Access NEC references and professional calculators entirely by voice—no signal required. Voice-First Interface: Ask "What's the ampacity for 3/0 copper?" and get instant answers. 100% Offline: Works in basements, job sites, anywhere—no internet needed. NEC Reference: Grounding, GFCI/AFCI requirements, ampacity tables, and more. Professional Calculators: Voltage Drop, Conduit Fill, Box Fill, and Grounding Sizing. Export Ready: Bookmark sections and export calculations as PDFs. Free users get 5 voice queries/day and basic calculators. Upgrade to Pro for unlimited access. Subscription information Subscription options include weekly and yearly plans and will be charged to your Apple ID account. • Payment will be charged at confirmation of purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. • Renewal will be charged within 24 hours prior to the end of the current period. • You can manage or cancel your subscription in your App Store account settings. • Any unused portion of a free trial period, if offered, will be forfeited upon purchase. Terms of Use: https://www.twoscripts.com/terms-of-use/ Privacy Policy: https://www.twoscripts.com/privacy-policy/ MasterElec is an independent application and is not affiliated with or endorsed by the National Fire Protection Association (NFPA). NEC and National Electrical Code are trademarks of NFPA.
Ratings & reviews
4.6
9 ratings
What’s new
Version 1.2 · Updated September 17, 2026
Minor Bug Fixes.
App privacy
The developer, TWOSCRIPTS LABS INC., reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Product Interaction
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Identifiers: Device ID
Used for: Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Other Diagnostic Data, Crash Data, Performance Data
- Other Data: Other Data Types
Used for: Analytics, App Functionality
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