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Trades Exam Prep

Trades Exam Prep

Von: Ran Chen EA CFP®
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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 Securities licenses (Series 6, 63, 65), and the CFP designation. He is passionate about opening access to high-quality exam preparation for everyone — from journeyman to master license, from apprentices to seasoned tradespeople. For free practice questions, AI-powered explanations, flashcards, and full study guides, visit https://open-exam-prep.com/ Subscribe and listen daily — your license is closer than you think.Copyright 2026 Ran Chen, EA, CFP® Bildung
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  • EPA 608 Prep 16, Type I — Small Appliances and the 5-Pound Limit

    EPA 608 Prep 16, Type I — Small Appliances and the 5-Pound Limit
    Jul 25 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The precise three-part definition of a Type I small appliance: factory-manufactured, charged, and hermetically sealed with 5 pounds or less of refrigerant. - Why motor vehicle air conditioners (MVACs) are covered by Section 609 and are a common exam trap for Type I questions. - The specific refrigerant recovery requirements: 90% for a working compressor and 80% for an inoperative compressor. - What "hermetically sealed" means in an exam context and why it necessitates the use of piercing valves for service. - The unique rule allowing the Type I certification exam to be administered as an open-book test and the higher passing score required. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    3 Min.
  • EPA 608 Prep 15, Reclaimers and EPA-Authorized Recycling

    EPA 608 Prep 15, Reclaimers and EPA-Authorized Recycling
    Jul 24 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Only EPA-certified reclaimers can purify used refrigerant to AHRI 700 standards for resale to a new owner. - Recycling is a less intensive cleaning process that allows refrigerant to be reused only in equipment belonging to the same owner. - The key exam distinction is change of ownership: reclaiming allows for resale, while recycling does not. - Following the 2020 ban on virgin R-22, reclaimed R-22 is the only legal supply for servicing older systems. - Exam questions use scenarios to test whether you can differentiate between situations requiring reclamation versus recycling. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    3 Min.
  • EPA 608 Prep 14, Refrigerant Sales Restrictions and the Penalty Bounty

    EPA 608 Prep 14, Refrigerant Sales Restrictions and the Penalty Bounty
    Jul 23 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why only EPA 608 certified technicians are legally allowed to purchase refrigerants for stationary equipment. - The specific responsibilities of the seller to verify a technician's certification during a refrigerant sale. - The significant financial penalties for violating refrigerant sales laws, with fines up to $37,500 per day per violation. - How the EPA's bounty program works, offering up to a $10,000 reward for tips on violations. - Common exam traps, such as who receives the bounty and the specific exception for small cans of MVAC refrigerant. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    3 Min.
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