The CAST Test (Construction and Skilled Trades Selection System) is the industry-standard pre-employment exam used by utility companies like Duke Energy, Southern Company, and FirstEnergy. Passing this rigorous assessment is the first mandatory step toward a high-paying career as a lineman, substation mechanic, or transmission technician.
Our free CAST practice test resources help you master the four critical sections: Graphic Arithmetic, Mechanical Concepts, Reading Comprehension, and Mathematical Usage. Whether you are preparing for an EEI CAST test administered by Edison Electric Institute or a company-specific CAST test for lineman positions, our comprehensive guide provides the realistic practice you need to succeed.
CAST Test Prep Tip: Speed is critical on the CAST exam. The Graphic Arithmetic section gives you only 30 minutes for 16 complex problems. Practice with timed CAST test practice questions to build the pacing strategy needed to finish all sections.
Prepare for the CAST - Test exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
Quick review for Graphic Arithmetic, Mechanical Concepts, and Reading Comprehension.
Our comprehensive CAST test study guide breaks down everything you need to know about this pre-employment assessment. Navigate through the tabs below to learn about the exam basics, detailed format, registration process, and scoring methodology.
The Graphic Arithmetic CAST test section is often cited as the most challenging. Practice extracting precise numbers from diagrams and performing quick calculations without a calculator.
Estimated score calculation
Required to Pass: ~70% (Estimated)
Your Score: 105 correct ✓ PASS
The CAST test is a free gateway to a high-paying career. Your only investment is the time spent studying to ensure you pass on the first attempt.
Join thousands of successful linemen and technicians who used our free practice tests to launch their careers.
Your CAST test scores are generally valid for a specific period determined by the hiring utility company, but often they are kept on file indefinitely.
Some utility companies allow you to transfer your CAST test results to other divisions or companies within the same network, saving you from re-testing.
Try these questions from our free CAST Test practice tests. The correct answer and an explanation follow each question.
On the CAST test, what is the recommended approach when you encounter a difficult question within a timed section?
Answer: B. Skip it, answer easier ones, and return if time allows
Skipping a hard question to secure points on easier ones and returning later maximizes your score within the time limit.
On the CAST test, what is the best strategy for the Mechanical Concepts section if you are unsure of an answer?
Answer: B. Eliminate clearly wrong options, then choose the most likely
Since there is no penalty for guessing on the CAST, eliminating wrong choices and selecting the most plausible answer improves your odds.
Which test-taking error most commonly lowers CAST scores under time pressure?
Answer: B. Misreading what the question asks
Misreading the question wastes time and leads to confidently wrong answers.
The CAST is a timed test. What strategy best manages time across the four subtests?
Answer: C. Pace yourself and flag tough items to revisit if time allows
Pacing and flagging items lets you maximize answered questions within the time limit.