IBEW Cheat Sheet 2026

The 30 highest-yield IBEW facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. A conduit run requires 4 sections of pipe. The sections measure 8¾ ft, 6½ ft, 11¼ ft, and 9 ft. What is the total length? → 35 ft
2. How much money did Moen make on average each month from January to June? → £9,167
3. What is the perimeter of a square with a side length of 7 feet? → 28 ft
4. A project uses 3 times as much copper wire as aluminum wire. If 480 feet of wire are needed in total, how many feet of copper wire are needed? → 360 ft
5. Expand: (3x - 2)(3x + 2) → 9x² - 4
6. How many square feet are in 1 square yard? → 9 sq ft
7. A scale drawing uses a scale of 1 inch = 4 feet. If a wall is 9 inches on the drawing, how long is the actual wall? → 36 ft
8. Which of the following statements best describes the effect of friction in a real-world pulley system? → Friction requires the actual effort force to be greater than the ideal effort force.
9. The perimeter of a rectangular electrical panel is 54 inches. The length of the panel is 3 inches less than twice its width. What is the width of the panel? → 10 inches
10. What is the following digit in this sequence? 1, 5, 9, 13, 17, _ → 21
11. A spool of wire contains 500 feet and weighs 15 pounds. How much does a 200-foot section of the same wire weigh? → 6 pounds
12. Convert 7/8 to a decimal. → 0.875
13. Identify the next term: 7, 14, 28, 56, 112, ___? → 224
14. An electrician completes 2/5 of a job on Monday and 1/3 on Tuesday. What fraction of the job remains? → 4/15
15. Simplify: 4(2x - 3) - 2(x + 5) → 6x - 22
16. Out of 240 workers on a job site, 15% are apprentices. How many apprentices are there? → 36
17. Solve: 7 - 2x = 3x - 8 → x = 3
18. Which word is the antonym of TRANSPARENT? → Opaque
19. Which would be HARDER to turn with the same force: a small-diameter valve wheel or a large-diameter valve wheel? → The small wheel, because it has less mechanical advantage
20. How many of the cancelled flights in February originated from Gatwick Airport? → 25%
21. To solve for a variable in a circuit, you need to factor the expression n² + 8n - 48. What is the correct factored form? → (n - 4)(n + 12)
22. Two resistors of 6Ω and 3Ω are connected in parallel. Using the formula 1/R_total = 1/R₁ + 1/R₂, what is the total resistance? → 2 Ω
23. A compound pulley uses 5 rope segments to support a 500-lb load. How much effort force is needed (ignoring friction)? → 100 lbs
24. If f(x) = 4x - 3 and g(x) = x + 5, what is f(g(2))? → 25
25. A motor runs at 1,800 RPM and is connected by a belt to a pulley with a 3:1 drive ratio. What is the output RPM of the driven pulley? → 600 RPM
26. What is the pattern rule for: 1, 3, 7, 15, 31, 63? → Multiply by 2 and add 1
27. What is the missing number: 5, 10, 20, ___, 80, 160? → 40
28. Expand: (x + 4)(x + 3) → x² + 7x + 12
29. A 60-watt light bulb connected to a 120V circuit draws how many amperes? → 0.5A
30. What is the area of a circle with a radius of 6 feet? (Use π ≈ 3.14) → 113.04 sq ft