Free Stuff From  and

Diagnostic Exams

Here are several electrician diagnostic exams which will help you determine where you should spend your study time when improving your trade knowledge. Complete each of the individual exams. Answers are provided. The results should give you a good idea of what you know as well as what you do not know.

Click HERE to go to the page for these diagnostic exams.


Calculations Checklist

Electrical calculations are not difficult to master. But there are so many different calculations, this checklist will give you an idea of where you should spend your time to improve your calculations competency. You will find sample problems along with printed and audio support for each technique of solution. Although workbooks are also available if you need them, this calculations aid is free to use.

Click HERE to go to the page for this calculations checklist.


Relay Logic Online Introduction presents a free online ten lesson introduction to relay logic. Motor control is well beyond hard wiring components. Yet all computer based aspects use relay logic concepts. So this introduction is useful to anyone wanting to improve trade knowledge of motor control wiring to include start stop, forward and reverse circuits with jog button and overloads. Find this material online HERE. No charge. Have at it. Free.

You can print the quizzes and diagrams for this course by clicking the link in the digital download linkrack below. The download will have a quiz followed by the diagram to be used for that quiz. There are 10 quizzes.

Answers for these quizzes are given at the bottom the page you will find HERE at

Digital Download Details

Here are a few digital downloads which are free.  Details follow.

A digital download is the fastest way to obtain study materials which are offered through this website. The entire workbook file is sent to your computer so you can access it immediately. You may print a copy of the entire workbook, or you may print a single page.

To access these .pdf files, you will need an Adobe Acrobat Reader. It is a free program which is probably already on your computer, unless you have a really old machine. If you do need to load this program on your computer, here is a link to a free Adobe Acrobat Reader.

When you find a digital delivery item you want to access, follow these steps:

1. Click on the title of the item you want.

2. Select OPEN. The file will start to load on your computer.

3. You will be given a choice to either OPEN the file or SAVE the file. If you save it, you can access it at any time in the future without being online. Give the file a name and put it in a folder where you can find it again.

4. If you just open the file, you can view the pages and print them on your printer. Or you can work with the material online without making a copy. It is your choice.

Try out  these digital downloads to verify that your computer can download an Adobe Acrobat file. There is no charge for these pdf files:

Relay Logic Quizzes + Diagrams

NEC Article Number Crossword Puzzle

Quiz Pages from my classes
some with answers

Useful tables not in the NEC

Technical Literacy List

400 Back of the book Questions with answers

One Minute Memory Drills

Matching Exercises from my classes with answers

And now a word from our sponsor, as they say on TV.
If your computer can download this type of file, you may want to consider other digital downloads suitable for license exam preparation. Click HERE to find them at

Other Neat Links

Then on to a link rack for electrical information as provided by and



Self Study

Self Study


For Sale
Electrician Calculations
Lecture Index
Self Study




Diagnostic Exam 
Self Study

Tricks of the Trade

Stories From
The Job


Tools List

Just Fun Links

Electrical Exam

Electrical Exam

Electrical Exam
Test Taking 

On The Job Work Tips

Many electrician workbooks and practice exams are now available 
as digital downloads for immediate use. 
Click HERE to see what is available.

Products For Sale
2016-17 David U. Larson
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