『Trades Exam Prep』のカバーアート

Trades Exam Prep

Trades Exam Prep

著者： 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® 教育
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  • NATE HVAC Exam Prep 15, Transformers and Low Voltage Control Power

    NATE HVAC Exam Prep 15, Transformers and Low Voltage Control Power
    2026/09/02
    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: - How to calculate maximum secondary amperage using transformer VA ratings and turns ratio formulas - The impact of incorrect primary multi-tap wiring on low-voltage output and contactor reliability - Requirements for secondary grounding and Class 2 overcurrent protection under NEC Article 725 - How to accurately interpret meter readings across open fuses and identify common exam trap choices - A safe step-by-step troubleshooting sequence to isolate low-voltage shorts without bypassing protection 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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    4 分
  • NATE HVAC Exam Prep 14, Motors Capacitors and Starting Circuits

    NATE HVAC Exam Prep 14, Motors Capacitors and Starting Circuits
    2026/09/01
    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: - Key operational differences between shaded-pole, PSC, and ECM motors tested on the NATE exam. - How to calculate resistance across common, run, and start terminals to identify compressor connections. - Operating principles of potential relays versus current relays, including back-EMF pickup and contact states. - Critical rules for capacitor replacement, microfarad sizing, voltage ratings, and dual-capacitor terminal wiring. - Safe capacitor discharge procedures using bleeder resistors and motor shaft rotation orientation standard. 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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    5 分
  • NATE HVAC Exam Prep 13, Alternating Current Inductance and Power Factor

    NATE HVAC Exam Prep 13, Alternating Current Inductance and Power Factor
    2026/08/31
    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: - How frequency and inductance create counter electromotive force and inductive reactance in HVAC motor windings. - How to apply the ELI the ICE man mnemonic to remember voltage and current phase relationships in inductive and capacitive circuits. - The distinction between pure resistance, inductive reactance, and total circuit impedance measured in ohms. - How to differentiate between real power in watts and apparent power in volt-amps on NATE exam calculations. - The concept of power factor and how run capacitors reduce reactive current to improve motor operating efficiency. 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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    5 分
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