Advertise on podcast: Trades Exam Prep

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 technical distinction between grounding to earth and bonding metal components under the 2023 NEC. - Why earth resistance is too high to act as an effective ground-fault current path under Section 250.4. - How simplified Ohm's law models calculate fault current when relying on high-impedance earth loops. - Why adding remote ground rods fails to clear ground faults or trip overcurrent protective devices. - A practical decision rule to distinguish voltage stabilization from fault-current clearing on journeyman exams. This independent study guide supplements your official National Electrical Code reference material and supervised hands-on training. For additional practice questions and study tools, visit https://open-exam-prep.com/practice/journeyman-electrician and watch video tutorials at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 - https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 - https://www.iccsafe.org/certification-exam-catalog/ - https://www.tdlr.texas.gov/electricians/elecexam.htm

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 total resistance and circuit current for resistors connected in series. - How to determine branch currents and total current for parallel resistive circuits. - Why adding parallel branches decreases total circuit resistance while increasing total current. - How to avoid common exam traps when converting between series and parallel formulas. - Key unit consistency and decision rules for solving Ohm's law calculations on your journeyman exam. This independent study guide supplements codebook review and supervised practical experience. Practice additional Journeyman Electrician questions at https://open-exam-prep.com/practice/journeyman-electrician and subscribe to our YouTube channel at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026: - https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 - https://www.tdlr.texas.gov/electricians/elecexam.htm

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 fundamental distinction between real power in watts and energy consumption in watt-hours. - How apparent power, real power, and power factor relate in single-phase circuits. - How to calculate single-phase power and total energy for resistive loads. - How to calculate real power for balanced three-phase loads using line-to-line voltage and line current. - Common exam traps regarding power factor and three-phase power calculation steps. This independent prep resource supplements your codebook study and supervised field training for journeyman electrician examinations. Practice online at https://open-exam-prep.com/practice/journeyman-electrician and subscribe on YouTube at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 - https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 - https://www.tdlr.texas.gov/electricians/elecexam.htm

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: - Fundamental Ohm's law relationships connecting voltage, current, and resistance in DC circuits - How to calculate current when 120 volts is applied across a 30 ohm resistive load - The key distinction between voltage across two points and current flowing through a conductor - Common exam traps including improper formula operations and incorrect terminology - Why simple resistive Ohm's law formulas cannot be assumed for all AC circuit loads This episode provides independent conceptual preparation for journeyman electrician candidates studying the 2023 National Electrical Code. Practice online at https://open-exam-prep.com/practice/journeyman-electrician and subscribe on YouTube at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 https://www.iccsafe.org/certification-exam-catalog/ https://www.tdlr.texas.gov/electricians/elecexam.htm

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 efficiently navigate the Table of Contents and Index during a timed exam - The structural consolidation of definitions into Article 100 in the 2023 NEC - How to determine an article's scope using section .1 - The crucial distinction between mandatory code language and informational notes - How mandatory and permissive exceptions alter general code requirements This independent educational resource supplements your codebook practice at https://open-exam-prep.com/practice/journeyman-electrician and video tutorials at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 - https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 - https://www.iccsafe.org/certification-exam-catalog/

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 there is no single nationwide journeyman electrician license in the United States - The distinction between national standard core exams and state or local municipal tests - Code edition differences between ICC R17 (2023 NEC) and ICC T17 (2020 NEC) - How exam reference code editions can differ from locally enforced installation codes - The three-step decision rule: Jurisdiction, Edition, Code before starting test prep This independent study resource offers conceptual preparation and does not replace official local licensing rules, codebooks, or supervised field training. Practice questions and video tutorials are available at https://open-exam-prep.com/practice/journeyman-electrician and https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 - https://www.iccsafe.org/certification-exam-catalog/ - https://www.tdlr.texas.gov/electricians/elecexam.htm

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 integrate all five NATE CHP-5 domains into a systematic troubleshooting workflow. - Why OSHA 1910.147 lockout/tagout and capacitor discharge must always precede diagnostic measurements. - How to separate symptoms like low suction pressure from root causes such as airflow restrictions. - Strategies for reading ladder schematics and measuring voltage drops across series safety switches. - The rule of making one evidence-based component correction at a time and proving final performance. 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

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 perform steady-state post-repair operational testing to ensure complete system recovery. - Why comparing air handler static pressure, amp draw, and temperature rise to manufacturer specifications is essential for NATE exam scenarios. - The requirement to test all operational modes and actively prove safety controls function at designated setpoints. - How recording before-and-after baseline data eliminates parts-changed-without-proof service call mistakes. - Using the PROVE mnemonic to eliminate distractor options on NATE verification exam questions. 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

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 distinction between visual checklist maintenance and quantitative measured proof of performance on NATE exams. - How to accurately evaluate electrical health through capacitor microfarad tolerances and loaded voltage checks. - Airflow verification techniques using total external static pressure and furnace temperature rise over simple filter checks. - Combustion analysis and heat exchanger safety testing methods, including flame pattern shifts and CO detection. - Proper refrigerant diagnostic procedures comparing calculated target superheat and subcooling against fixed and TXV metering systems. 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

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: - Understanding the exact step-by-step sequence of operation for gas furnaces on the NATE exam - Identifying why pressure switches must start open before inducer activation to pass safety checks - Measuring flame sensor rectification correctly in microamps DC to diagnose ignition lockouts - Differentiating between automatic reset high limits and manual reset flame rollout switches - Calculating temperature heat rise and interpreting combustion analysis to detect airflow and heat exchanger faults 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

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 diagnose reversing valve internal leakage using temperature differential checks across valve bodies. - The operational differences between time-temperature and demand defrost initiation and termination rules. - How to distinguish normal frost patterns from abnormal icing caused by low refrigerant charge or airflow restrictions. - Key definitions and exam applications for thermal balance point and economic balance point. - The complete defrost sequence of events using the HOT ICE mnemonic for quick recall. 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

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 isolate step-down transformer failures and identify secondary short circuits on the NATE HVAC exam - How to differentiate between mechanical causes and electrical failures in pressure switches and limit switches - How to test run capacitors and motor winding resistance using exact NATE pass-fail threshold standards - How to measure voltage drop across contactor contacts to diagnose nuisance trips and high-resistance connections - How to apply the TEST mnemonic to systematically troubleshoot low-voltage HVAC control sequences 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

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 differentiate between low indoor airflow and low refrigerant charge using superheat and subcooling readings on the NATE HVAC exam. - Why verifying airflow, static pressure, and thermal load must always be completed before attaching gauges or adjusting refrigerant levels. - The specific system symptoms of dirty filters, blower faults, and coil fouling, including low suction pressure, low saturation temperature, and low superheat. - How to recognize thermostatic expansion valve and fixed orifice restrictions by analyzing high superheat paired with elevated condenser subcooling. - A clear mental shortcut—Air Low Low, Charge Low High—to quickly solve diagnostic scenario questions and avoid common exam traps. 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

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 analyze suction pressure, discharge pressure, superheat, and subcooling together to diagnose NATE refrigerant circuit faults. - The critical diagnostic difference between an undercharged system and a liquid line restriction. - How TXV systems and fixed-orifice metering devices respond differently to refrigerant overcharge and undercharge conditions. - How to identify metering device failures including TXV stuck open versus TXV stuck closed diagnostic patterns. - How indoor and outdoor heat-transfer airflow restrictions impact system operating pressures, superheat, and subcooling values. 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

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 convert vague HVAC customer complaints into testable observations for NATE exam questions - Diagnostic techniques for evaluating timing, weather conditions, sounds, and odors in system troubleshooting - How thermostat settings and zone complaints impact airflow and relative humidity diagnostics - Why reviewing previous service work and operating history prevents common diagnostic errors - Strategies for avoiding exam traps that prematurely condemn components before proper field testing 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