Uploaded March 2026 | Updated September 2026, 2 weeks ago
This practical demonstration shows how to trace a ground fault inside a solar array using the receiver and current clamp with the Fluke GFL-1500. By following the transmitted signal, technicians can determine which side of the fault they are on and isolate the affected conductor.
We explain how to verify signal presence using the clamp, why readings must be allowed to stabilize, and how zero current confirms you are on the opposite side of the ground fault. Understanding signal behavior is essential for accurate diagnostics.
This example reinforces a systematic troubleshooting workflow, where technicians follow the signal path and identify the point where it stops. That location indicates where the fault exists within the array.
The video provides real-world application guidance for efficient ground fault tracing in residential, commercial, and utility scale PV systems.
Learn more: fluke.com/en-us/product/electrical-testing/best-solar-energy-industry-tools/fluke-gfl-1500
This practical demonstration shows how to trace a ground fault inside a solar array using the receiver and current clamp with the Fluke GFL-1500. By following the transmitted signal, technicians can determine which side of the fault they are on and isolate the affected conductor.
We explain how to verify signal presence using the clamp, why readings must be allowed to stabilize, and how zero current confirms you are on the opposite side of the ground fault. Understanding signal behavior is essential for accurate diagnostics.
This example reinforces a systematic troubleshooting workflow, where technicians follow the signal path and identify the point where it stops. That location indicates where the fault exists within the array.
The video provides real-world application guidance for efficient ground fault tracing in residential, commercial, and utility scale PV systems.
Learn more: fluke.com/en-us/product/electrical-testing/best-solar-energy-industry-tools/fluke-gfl-1500
