MasterCode NEC

NEC Answers for Electricians.

Only for iPhone

Free · In‑App Purchases

iPhone

Stop wasting time digging through the code book. Ask any electrical code question, job scenario, or inspection issue and get fast NEC guidance with article references. MasterCode NEC gives electricians a faster way to work through electrical code questions in the field. Instead of digging through the code book, searching forums, or trying to remember which article applies, you can describe the actual electrical situation in plain English and get a structured answer back. Ask about wiring methods, GFCI protection, AFCI protection, conductor sizing, breaker sizing, grounding, bonding, services, feeders, branch circuits, panels, subpanels, conduit fill, box fill, derating, motor calculations, residential requirements, inspection issues, and more. MasterCode NEC helps organize the answer with: • A direct bottom-line response • Related NEC article references • Reasoning and calculation notes when needed • Clarifying questions when key details are missing • Practical field and inspector interpretation notes • State and code-cycle awareness where available It is built for electricians, apprentices, journeymen, foremen, contractors, inspectors, and electrical professionals who need quick code direction without wasting time digging through scattered references. Use it when you are asking questions like: • Does this need GFCI protection? • Can I run this wiring method here? • What article applies to this situation? • What size conductor or breaker should I be looking at? • Is this inspector correction reasonable? • What details are missing before making a code call? MasterCode NEC is not the official NEC, does not replace the adopted code book, and is not a substitute for licensed judgment, engineering documents, manufacturer instructions, local amendments, or the Authority Having Jurisdiction. It is an independent field-support and educational tool designed to help electrical professionals get oriented faster and understand the reasoning behind code answers. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getmastercode.com/privacy/

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Bug fixes and stability improvements.

Version 1.0.2

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Information

Seller
  • Appify L.L.C.
Size
  • 54.1 MB
Category
  • Reference
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • MasterCode Basic $9.99
  • MasterCode Pro $19.99
  • Learn More
Copyright
  • © 2026 Appify L.L.C.
  • Developer Website
  • Privacy Policy