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2017 Master Electrician Ref.

2017 Master Electrician Ref.

A handbook for electricians

1.2K ratings
24 reviews
#70 in paid Productivity
🔧 Utilities
📊 Productivity
$9.99

Details

  • Released
  • Updated
  • September 11, 2017
  • January 14, 2024

Features

Developer

PawEng, LLC
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2017 Master Electrician Ref. screenshot #1 for iPhone
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2017 Master Electrician Ref. screenshot #5 for iPhone
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2017 Master Electrician Ref. screenshot #7 for iPhone
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❓5 answered
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📦w/o updates
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About

This digital handbook provides electricians and related professionals with essential electrical formulas, diagrams, and reference tables. It offers calculations, a dictionary of terms, and detailed information on wiring, motors, transformers, and more, all accessible on a mobile device.

✓Electrical formulas and calculations
✓Wiring diagrams for various systems
✓Motor and transformer specifications
✓Conductor and ampacity tables
✓Dictionary of electrician terms
✓NEMA standards and diagrams
✓Math and conversion tools
Show original description

What users say

Summarized from real user reviews of 2017 Master Electrician Ref.. Based on 1.2K reviews and a 4.7/5 average, it highlights the 4 positives and 4 negatives reviewers mention most about this Productivity app.

Positive things

  • 👍Quick reference
  • 🚀Best app for electrical information
  • 🚀Concise and well-laid out information
  • 🚀Comprehensive electrical references

Negative things

  • 🐛App needs to be updated
  • 🐛Inaccurate information in some areas
  • 🐛Limited functionality compared to expectations
  • 🐛Overlapping table of contents
See all reviews

What's New in 2017 Master Electrician Ref.

2.0.8

January 14, 2024

Updated the NEC adoption map. Changed the minimum supported iOS version from 11 to 12.

Charts

Top Paid

📉 70-3

Productivity

This app dropped -3 positions in Productivity chart.

Last updated on July 19, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Updates

When are you going to update to the 2020 or 2023 codes?
dartfrog55dartfrog55

Excellent Electrical Reference App

This app is extremely helpful for electrical code references and field calculations. It’s organized, easy to use, and reliable when you need quick answers on site. A great tool for apprentices, journeymen, and those preparing for their Master exam. Definitely a valuable addition to your toolbox.
SoloLU127SoloLU127

Master Electrician

Best app for quick reference, thumbs up.
Wally NaWally Na

Conduit fill

How do you change the conduit type in the conduit fill menu? It’s set for emt.
Willy HoskinsWilly Hoskins

What’s the point

I guess I misunderstood what this app does. It’s just a bunch of PDFs of what my codebook or uglies will show, but there are no calculations. Ie. Does not even calculate conduit fill. Am I missing something?
dverplankdverplank
See 19 more reviews

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User experience

🐞

Reported Bugs

3 issues

Conduit fill information missing for certain types

Bug

Login screen freezes

Bug

Compatibility issues with older devices

Bug
✨

Requested Features

3 requests

Update to latest NEC code

Feature

Add calculation tools for conduit fill and voltage drop

Feature

Improve user interface and navigation

Feature

FAQ

What does the 2017 Master Electrician Ref. app do?

This app serves as an electronic pocket reference guide for electricians and related professionals. It provides access to essential electrical formulas, diagrams, tables, and definitions, making it easier to perform calculations and find critical information on the go.

What kind of information is included in the app?

The app covers a wide range of topics including simple circuits, distributed systems, electrical formulas, color codes, motors and wiring, transformers, conductor properties, ampacities, grounding sizes, metal boxes, voltage drop calculations, insulation charts, electrical symbols, NEMA standards, math and conversions, conduit bending, and lighting.

Is this app free to use?

Based on the provided information, this application is a paid product. There are no mentions of free usage, subscriptions, or in-app purchases, indicating a one-time purchase model.

What devices is the 2017 Master Electrician Ref. app compatible with?

The app is designed to be used on Apple mobile devices, specifically mentioning iPhone, iPod Touch, and iPad. This suggests it is an iOS application.

Who would benefit most from using this app?

This app is ideal for a broad range of electrical professionals, including electricians, journeymen, apprentices, master sparkies, electrical designers, engineers, installers, contractors, facility managers, inspectors, and architects who need quick access to electrical reference material and calculation tools.