A wide variety of employment opportunities exist in the fields of construction and skilled trades. Candidates seeking employment in one of these positions will most likely be required to take the Construction and Skilled Trade Selection System examination (CAST). CAST was created and is maintained by the Edison Electric Institute but is administered by individual companies.



CAST is a typical component of the employment application process for individuals seeking employment in industry jobs such as facility maintenance and repair, transmission and distribution, electrical repair, machine maintenance and repair, vehicle maintenance and repair, meter service and repair, and other skilled trades. CAST is a battery of tests used to gauge an applicant’s aptitude and their ability to learn and process new information which provides an indication of the likelihood of success on the job. CAST consists of four paper-and-pencil tests that take approximately 2 hours to complete.

CAST Practice Test

CAST Test Review

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CAST Test Sections

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 Study Guide

The four aptitude tests that combine to form the CAST are Graphic Arithmetic, Mechanical Concepts, Reading for Comprehension, and Mathematical Usage. The Graphic Arithmetic test contains two drawings. The test will evaluate the applicant’s ability to use information from the drawings to solve arithmetic problems. Thirty minutes is allowed to answer the 16 questions on this test. The Mechanical Concepts test contains 44 multiple-choice questions. Each question requires the candidate to choose one of three possible answers regarding a pictorial description of a mechanical situation. A total of 20 minutes is allowed for this test. The Reading for Comprehension test includes four reading passages. Several multiple-choice questions related to the passage will follow. There is a 30-minute time limit to answer the 32 questions on this test. The Mathematical Usage test includes 18 multiple choice questions and has a time limit of 7 minutes. This test evaluates the candidate’s ability to work basic mathematical problems.

CAST Test Scoring

Results of these four tests are combined to provide a single Index Score ranging from 1 to 10. There is no defined “passing score” since each individual company can set their own score minimums. Scoring well on the CAST indicates an ability to learn and perform the job due to an understanding of mathematical relationships, possession of good analytical skills, and attention to detail. Since you are competing against other applicants and scoring well does not guarantee employment, you will want to achieve as high a score as possible.

Preparing for the CAST Test

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How do you achieve a score as high as possible? Be sure to get a good night’s sleep and eat a healthy meal before arriving to take the test. As you take the test, read each question carefully to make sure you clearly understand it before answering. You need to watch your time, so if you are having difficulty with a question, come back to it later. If you don’t know the answer to a question, make an educated guess by eliminating the answers that you know are incorrect. In addition to those basic test taking strategies, Mometrix has quality study materials to ensure that you do your best. The CAST Exam Secrets Study Guide includes a thorough review of all topics on the exam, practice test questions, step-by-step tutorial videos, effective study habits, and even tips on how to overcome test anxiety. If you prefer to study with flashcards, Mometrix offers the CAST Exam Flashcard Study System which also includes all topics covered on the exam, practice test questions, a special report on The Leitner Method for Maximizing Flashcard Learning, study secrets, and tips on how to overcome test anxiety. We are so confident that you will benefit from these study materials that we offer a 1-year money-back guarantee. Order the CAST study guide or CAST flashcards today. If you are not satisfied with the CAST study guide or the CAST flashcards, we will refund 100% of your money, no questions asked.

Online CAST Test Prep Course

If you want to be fully prepared, Mometrix offers an online CAST Prep Course. The course is designed to provide you with any and every resource you might want while studying. The CAST Course includes:

  • 27 Review Lessons Covering all the Topics
  • 350+ CAST Practice Questions
  • 20+ Video Tutorials
  • More than 50 Electronic Flashcards
  • Money-back Guarantee
  • Free Mobile Access
  • and More!

The CAST Test Prep Course is designed to help any learner get everything they need to prepare for their CAST exam; click below to check it out.

CAST Study Guide Customer Success Stories

Our customers love the tutorial videos from Mometrix Academy that we have incorporated into our CAST test study guide. The CAST study guide reviews below are examples of customer experiences.

My boyfriend had to take the cast exam and was super nervous because he heard how hard it was. I ordered this book for him based on reviews. He passed on the first try!

CAST Study Guide – Laura

Very useful study book that gets straight to the point. Met my needs for wanting to know exactly what to study for opposed to doing research online. Very helpful in regards to explaining answers to questions.

CAST Study Guide – Timothy

When I received the book at first glance I thought the book was too small, but after skimming through the book and going over the material, I now know that the book is amazing. The book is way more than expected and will most definitely be recommended to others.

CAST Study Guide – Shawntice

I rated this product as a 5 because it's the only book that I have found that has actually helped me learned and understand mechanical concepts.This book has made it easy for me to understand different concepts. The more I read it the easier it is for me to remember how to approach different test formats. Great book!

CAST Study Guide – Customer

With the material purchased and serious study for a very short time frame, I was able to pass the CAST on the first attempt. This material was very much responsible for my new career, and highly recommend the purchase to any one who plans to test. I do recommend, however, doing so well in advance of testing and dedicate plenty of study time, as the CAST test is no joke, and can lead to a very good career.

CAST Study Guide – Customer

The outline and breakdown of the parts of the test is excellent. The practice test is quite valuable. The test taking tips are very good and useful.

CAST Study Guide – Customer

This exam book has good pointers. It explains subjects I didn't fully understand but now have a better understanding. The practice exam explains the answer which helps me to understand what I have done wrong and right. I believe this book will allow me to have great success on the CAST exam and my future.

CAST Study Guide – Customer

It has given me the skills that I so badly needed to pass the mechanical aptitude test. I have approximately another week before I take the test, but studying the CAST Exam Secrets Study Guide has given me not only the confidence I needed to pass the test, but more importantly the skills. I love the detailed explanations, they are so easy to understand. I love the instructions as well. I have followed them without question and my mechanical reasoning is at an unbelievable high point! I would recommend this booklet to anyone who needs to take a mechanical aptitude test.

CAST Study Guide – Customer

I truly appreciate the Mometrix team. We have used your books for the last two years and it has prepared our participants for the CAST Exam which in turn helped them to obtain incredible jobs in the Construction and Utilities field.

CAST Study Guide – Ashlee

It is a very easy read and really helps you to understand the test more thoroughly. I have recommended this book to many individuals that have taken the CAST exam have failed. The best study guide on the market.

CAST Study Guide – Antonio


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by Mometrix Test Preparation | This Page Last Updated: July 7, 2022