Trades Exam Prep

Autor: Ran Chen, EA, CFP®

Trades Exam Prep is a free, daily podcast by OpenExamPrep covering the most in-demand skilled trades licensing and certification exams — including EPA 608 (HVAC refrigerant), FAA Part 107 (drone), Master Electrician, Plumber, General Contractor, ASE automotive, NATE, OSHA 10/30, Welder Certification, and more. Each 5-minute episode breaks down one exam topic with concrete examples, common exam traps, code references, and field-ready memory tricks to help you pass on your first attempt. No fluff, no filler — just the concepts you need to know, explained the way the exam tests them. This podcast is made by Ran Chen, who holds an EA license, Insurance and Secu...

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1. [Journeyman] 15. Dwelling Branch Circuits and Receptacle Placement – Trades Exam Prep
2. [Journeyman] 14. GFCI and AFCI Protection: Different Hazards and Rules – Trades Exam Prep
3. [Journeyman] 13. Overcurrent Protection and Device Ratings – Trades Exam Prep
4. [Journeyman] 12. Ambient Temperature and Current-Carrying Conductor Adjustments – Trades Exam Prep
5. [Journeyman] 11. Temperature Ratings and Conductor Ampacity – Trades Exam Prep
6. [Journeyman] 10. Continuous Loads and Conductor-Sizing Logic – Trades Exam Prep
7. [Journeyman] 9. Feeders and Branch Circuits: Where Each Begins – Trades Exam Prep
8. [Journeyman] 8. Service Equipment and Grounding Electrode Systems – Trades Exam Prep
9. [Journeyman] 7. Grounded Conductors and Equipment Grounding Conductors – Trades Exam Prep
10. [Journeyman] 6. Grounding and Bonding Serve Different Purposes – Trades Exam Prep
11. [Journeyman] 5. Series and Parallel Circuits Without Losing the Units – Trades Exam Prep
12. [Journeyman] 4. Power, Energy and Single-Phase versus Three-Phase Loads – Trades Exam Prep
13. [Journeyman] 3. Voltage, Current, Resistance and Ohms Law – Trades Exam Prep
14. [Journeyman] 2. Finding Definitions, Articles and Exceptions in the NEC – Trades Exam Prep
15. [Journeyman] 1. Choosing Your Exam and the Correct NEC Edition – Trades Exam Prep
16. NATE HVAC Exam Prep 50, Final CHP-5 Review and Troubleshooting Strategy – Trades Exam Prep
17. NATE HVAC Exam Prep 49, Verifying Repairs and Documenting Results – Trades Exam Prep
18. NATE HVAC Exam Prep 48, Preventive Maintenance that Proves Performance – Trades Exam Prep
19. NATE HVAC Exam Prep 47, Gas Furnace Service and Combustion Diagnosis – Trades Exam Prep
20. NATE HVAC Exam Prep 46, Heat Pump Service and Defrost Diagnosis – Trades Exam Prep
21. NATE HVAC Exam Prep 45, Diagnosing Electrical and Control Failures – Trades Exam Prep
22. NATE HVAC Exam Prep 44, Airflow Problems versus Refrigerant Charge Problems – Trades Exam Prep
23. NATE HVAC Exam Prep 43, Refrigerant Circuit Diagnostic Patterns – Trades Exam Prep
24. NATE HVAC Exam Prep 42, Turning Customer Complaints into Testable Symptoms – Trades Exam Prep
25. NATE HVAC Exam Prep 41, The Professional HVAC Service Call Workflow – Trades Exam Prep
26. NATE HVAC Exam Prep 40, Commissioning and Customer Handoff – Trades Exam Prep
27. NATE HVAC Exam Prep 39, Evacuation Charging and Startup – Trades Exam Prep
28. NATE HVAC Exam Prep 38, Fuel Gas Combustion Air and Vent Installation – Trades Exam Prep
29. NATE HVAC Exam Prep 37, Condensate Drain Installation – Trades Exam Prep
30. NATE HVAC Exam Prep 36, Installation Wiring Controls and Protection – Trades Exam Prep