WALMART MAINTENANCE Cheat Sheet 2026

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

1. What is the maximum height a maintenance worker should work from without fall protection? → 6 feet in general industry
2. A circuit breaker keeps tripping repeatedly. What should you investigate? → Investigate the circuit for overloads, short circuits, or ground faults
3. What is the correct sequence for applying joint compound when finishing a drywall seam in a Walmart retail area? → Tape coat → finish coat → topping coat
4. How often should a grease trap in a commercial kitchen be cleaned? → When it reaches 25% capacity or at least monthly, per local codes
5. What color wire indicates a ground conductor in US electrical systems? → Green or bare copper
6. When installing a hollow-wall anchor (toggle bolt) in drywall to hang a moderate load, which step must be completed FIRST? → Drill a hole slightly larger than the toggle bolt body
7. What is the minimum hot water temperature required at handwashing stations per health code? → 100°F
8. What is the EPA Section 608 certification required for? → Purchasing and handling refrigerants in stationary systems
9. A Walmart maintenance technician must repair a 6-inch diameter hole in a drywall ceiling. Which repair method is most appropriate for this size of damage? → Use a drywall clip (California patch) with a new drywall piece
10. What does a GFCI outlet protect against? → Ground faults that could cause electrical shock
11. What is the correct technique for driving a nail flush with a wood surface without leaving hammer marks? → Use a nail set to drive the nail the final 1/8 inch below the surface
12. Which sandpaper grit is most appropriate for the final sanding of joint compound before painting drywall in a commercial facility? → 120-grit
13. What is preventive maintenance? → Scheduled maintenance activities performed to prevent equipment failures before they occur
14. What is the primary purpose of using a moisture-resistant (MR) drywall in Walmart restrooms and break rooms? → It resists mold and mildew growth in high-humidity areas
15. What is the purpose of preventive maintenance on rooftop HVAC units? → To extend equipment life, maintain efficiency, and prevent costly breakdowns
16. Which type of screw is most appropriate for fastening drywall to metal studs in a commercial retail environment? → Self-drilling drywall screws (Type S)
17. Which type of wood joint is commonly used to reinforce a corner connection in shelving units and fixture repairs? → Pocket screw joint
18. What is a multimeter used for in maintenance troubleshooting? → Measuring voltage, current, and resistance in electrical circuits
19. What is the recommended temperature range for a commercial walk-in freezer? → -10 to 0°F
20. Which fastener should a Walmart maintenance technician use when attaching a heavy equipment bracket directly to a concrete block (CMU) wall? → Wedge anchor bolt
21. What is the National Electrical Code (NEC)? → The US standard for safe electrical installation and maintenance practices
22. What is the GHS system used for in maintenance work? → Providing a globally standardized system for classifying and labeling hazardous chemicals
23. When caulking around a door or window frame in a Walmart store, which caulk type provides the best adhesion to both wood and metal while remaining paintable? → Latex-based paintable caulk
24. What causes a toilet to run continuously? → A faulty flapper valve, fill valve, or improperly adjusted float
25. What is the typical lifecycle of a commercial rooftop HVAC unit? → 15-20 years
26. A checkout conveyor belt has stopped moving. What is the first troubleshooting step? → Check if the belt is powered on, inspect for obstructions, and verify the motor is running
27. What type of fire extinguisher should be used on an electrical fire? → Class C rated or CO2 extinguisher
28. What is the purpose of a floor drain in a retail store? → To collect and channel water from spills, cleaning, or equipment to the sewer system
29. What is the standard voltage for commercial lighting circuits in a US retail store? → 208/277 volts
30. What is the purpose of a catch basin in a parking lot? → To collect stormwater runoff and filter debris before it enters the storm drain system