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In this 3D animation, Bryan Orr with HVAC School explains how to test a run capacitor properly while the HVAC system is under load. He covers the importance of capacitors for motor efficiency and reliability.

This video provides a step-by-step process for testing capacitors under load using a multimeter to measure amperage and voltage. Bryan shares the formula to calculate microfarads and explains what capacitor readings indicate a need for replacement. This easy-to-follow tutorial is useful for both maintenance and service calls.

Bryan emphasizes safety and meter accuracy as critical factors. He also mentions the free under-load capacitor testing calculator available in the HVAC School mobile app. Whether you're a beginner or a seasoned technician, this 3D video provides valuable tips for assessing capacitor performance. Check out HVAC School for more in-depth training!

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Read all the tech tips, take the quizzes, and find our handy calculators at or the HVAC School Mobile App on the Google Play Store () or App Store ().

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