1. Home
  2. 📚 Education
  3. Lineman's Reference
Lineman's Reference - XFMR LAB

Lineman's Reference - XFMR LAB

Transformer Training Simulator

231 ratings
45 reviews
#12 in paid Education
📚 Education
🎬 Entertainment
$19.99

Details

  • Released
  • Updated
  • September 12, 2021
  • August 9, 2026

Features

Developer

Digital Apprentice LLC
✨Promote your app ✨
Lineman's Reference - XFMR LAB screenshot #1 for iPhone
Lineman's Reference - XFMR LAB screenshot #2 for iPhone
Lineman's Reference - XFMR LAB screenshot #3 for iPhone
Lineman's Reference - XFMR LAB screenshot #4 for iPhone
Lineman's Reference - XFMR LAB screenshot #5 for iPhone
Lineman's Reference - XFMR LAB screenshot #6 for iPhone
Lineman's Reference - XFMR LAB screenshot #7 for iPhone
Lineman's Reference - XFMR LAB screenshot #8 for iPhone
iphone
ipad
📊no. 193
Charts↘︎
⭐45
Reviews↘︎
📝13+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦~ in 4 weeks
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.

✓Transformer connection simulation
✓Volt, ohm, and rotation meters
✓Abnormal voltage and fuse explosion simulation
✓Transformer nameplate and coil inspection
✓Quick reference diagrams
✓Informational reading material
✓Quiz and advanced quiz modes
Show original description
+1

What's New in Lineman's Reference

2.0.5

August 9, 2026

Various Bug Fixes.

Charts

Top Paid

📉 12-1

Education

This app dropped -1 position in Education chart.

Last updated on August 12, 2026.

Top Paid

📊 193

Global

The app has maintained its position at 193 recently.

Last updated on August 12, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Tutorial

Will not let me out of the tutorial I have completed it multiple times I just want to practice on banks and the different kind paid $20 and I can’t do anything but a tutorial over and over again
jojojo47657jojojo47657

Great for storm

Excellent labs and sandbox, has literally everything
WillyGGGGGWillyGGGGG

Response from developer

Thanks for the review!

Great concept but to many bugs

App is far to clunky, not worth using when you can only wire up 1/3 of the banks due to the lines not connecting.
Fishing noahFishing noah

Very useful!!!

I’m a co-op student and I play around with this app a lot! It’s definitely going to help a lot in the future!!
PoweringthworldPoweringthworld

Response from developer

Thanks for the review! I'm glad you find it helpful!

Good app

Learning a lot from this app. Only problem I’ve come across is how to tie the H1/H2 bushings to the tank ground and neutral
Oklahoma001Oklahoma001
See 40 more reviews

Developer apps

Lineman's Reference - URD
Lineman's Reference - URD

Underground Lineman Trainer

📚 Education

(59)

$9.99
See developer apps

FAQ

What does the Lineman's Reference - XFMR LAB app do?

This app is a fully functional transformer lab simulator designed for linemen and apprentices. It allows users to study and learn various transformer connections, test their wiring with meters, and understand the consequences of improper connections. It also provides reference materials and quiz modes.

What are the key features of this transformer simulator?

Key features include interactive simulation of single-phase and three-phase transformer banks, testing connections with volt, ohm, and rotation meters, simulating abnormal voltages and exploding fuses, inspecting transformer nameplates and secondary coils, quick reference diagrams, informational reading material, and quiz modes to test knowledge.

Is this app free to use?

Yes, based on the provided information, the app is free to use and does not have in-app purchases or ads. The company also offers a 'Company Customized Experience' which may involve separate arrangements.

What kind of transformer configurations can I learn and test?

The app includes labs for various configurations such as Single Bushing Topside, Dual Bushing Topside, Delta Delta Closed, Delta Wye Closed, Wye Delta Closed, Wye Wye Closed, Delta Delta Open, Wye Delta Open, Paralleling, 4th Cutout, Troubleshooting, Tutorial, Straight 480, 240/480, 277/480, Corner Grounded 240 or 480, and Wye Wye 5 Wire (120/240 & 120/208).

How does the quiz mode work?

The quiz mode allows you to test your transformer wiring knowledge by completing a predetermined assortment of labs at random. Blowing fuses and attempting to check work will subtract from your overall score out of 100. There is also an 'Advanced Quiz' where you receive job-site information and must choose the correct transformer configuration.