GFCI and AFCI Testing Explained | How to Test Ground Fault and Arc Fault Circuit Interrupters
November 23, 2025
Learn the essential skills for GFCI and AFCI testing using Klein Tools RT390 Circuit Analyzer in this comprehensive HVAC training. This video shows how to test Ground Fault and Arc Fault Circuit Interrupters in residential environments, covering everything technicians need to know about electrical safety testing.
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