CAST Practice Test 2026 — Free CAST Exam Prep Questions
The EEI CAST is a pre-employment aptitude battery that electric utilities use to screen applicants for lineworker, mechanic, equipment operator, meter and other construction and skilled trades jobs. This practice set follows the CAST-R subtests (Graphic Arithmetic, Mechanical Concepts and Reading for Comprehension) plus the Mathematical Usage subtest from the original CAST, using original drawings described in words and short workplace reading passages.
CAST format, scoring & key facts
Given by the hiring utility as part of its selection process; the full CAST-R battery takes about two hours. Each test is separately timed: Graphic Arithmetic 30 minutes (calculator permitted), Mechanical Concepts 20 minutes, Reading for Comprehension 30 minutes, and Work Preferences Inventory 30 minutes. The tests are not adaptive.
| Current version | CAST-R (Construction and Skilled Trades Selection System – Revised), EEI 2020 |
|---|---|
| Aptitude tests | Graphic Arithmetic (16 Q, 30 min), Mechanical Concepts (44 Q, 20 min), Reading for Comprehension (32 Q, 30 min) |
| Work Preferences Inventory | 105 agree–disagree statements in 30 minutes; there is no practice test |
| Answer choices | Graphic Arithmetic 5 (including None of the Above); Mechanical Concepts 3; Reading 4 |
| Calculator | Permitted on Graphic Arithmetic |
| Total time | About 2 hours |
| Scoring | Number right with no guessing penalty, combined into an index score of 1–10 |
| Cutoff | Set by each employer |
| Change from CAST | Mathematical Usage was replaced by the Work Preferences Inventory |
Facts last verified Oct 18, 2026. Source: seo.nlx.org/southernco/pdf/CAST-R_Student_Practice_Tests%20All_Final.pdf. Always confirm details with EEI before your exam.
When can you take the CAST?
There are no national test dates. Employers schedule testing after you apply for a position that requires CAST-R.
Plan backwards from your exam date
What the CAST covers
Every PrepBanq CAST test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Graphic Arithmetic16 questions on two dimensioned drawings: missing distances, widths and lengths, differences, areas and ratios. Calculator permitted. | 17% | ~16 | 26 questions → |
Mechanical Concepts44 picture-based questions with three answers on gears, belts, pulleys, levers, inclines, friction, fluids, pressure, heat, buoyancy, stability, motion and simple switch circuits. | 48% | ~44 | 72 questions → |
Reading for Comprehension32 questions on four passages: stated details, main idea, word meaning in context, statements not supported by the passage, and inferences. | 35% | ~32 | 52 questions → |
How to register for the CAST
Retake policy
Set by each employer. For example, LG&E-KU does not allow a retake of the same test within 90 days; Entergy requires at least 30 days between attempts and allows no more than two in 12 months.
Score release
Set by each employer; Entergy, for example, says results are typically available within five business days.
Credential renewal
Some employers accept a previously passed EEI test taken with another company through an EEI Authorization to Release form.
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CAST FAQ
How many questions are on the CAST?
The CAST has 92 questions and you have 1 hour 20 minutes to finish. Question types: Single-answer multiple choice. Graphic Arithmetic (16 questions on two drawings) has five choices, the fifth being None of the Above. Mechanical Concepts (44 picture-based questions) has three choices. Reading for Comprehension (32 questions on four passages) has four choices. The battery also includes the Work Preferences Inventory, 105 agree–disagree statements about work style with no right or wrong answers..
How long is the CAST exam?
Testing time for the CAST is 1 hour 20 minutes.
What is the passing score for the CAST?
CAST passing standard: No universal pass mark: the scores are combined into an index score from 1 to 10, and each company sets its own cutoff. Score range: Index score 1–10.
How much does the CAST cost?
The CAST registration fee is There is no public registration: the test is given by the employer to applicants for a position. Check the official site for current fees before you register.
What is on the CAST?
The CAST covers Graphic Arithmetic (about 17%), Mechanical Concepts (about 48%), Reading for Comprehension (about 35%).
Who administers the CAST?
The EEI Construction and Skilled Trades (CAST) Test is administered by EEI. Delivery: Given by the hiring utility as part of its selection process; the full CAST-R battery takes about two hours. Each test is separately timed: Graphic Arithmetic 30 minutes (calculator permitted), Mechanical Concepts 20 minutes, Reading for Comprehension 30 minutes, and Work Preferences Inventory 30 minutes. The tests are not adaptive..
Can you retake the CAST?
Set by each employer. For example, LG&E-KU does not allow a retake of the same test within 90 days; Entergy requires at least 30 days between attempts and allows no more than two in 12 months.
Is there a free CAST practice test?
Yes. PrepBanq has 15 free CAST practice tests with 150 exam-style questions in the real CAST formats, and every answer is explained. No credit card is needed.
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