electrical - Dual Function AFCI/GFCI breakers trip under any load - Home Improvement Stack Exchange

This is a new subpanel in a workshop and the electrician told me because it's new all circuits have to be AFCI and because it's an outbuilding it should be GFCI too. So, I purchased these breakers

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GE Q-Line THQL 20-Amp 1-Pole Dual function AFCI/GFCI Circuit Breaker in the Circuit Breakers department at

neutral - Trying to wire switch outlet combo to existing two outlet. But the outlets each have 3 wires - Home Improvement Stack Exchange

electrical - Old two-wire house-- AFCI or GFCI possible? - Home Improvement Stack Exchange

Square D Homeline 30-amp/20-amp 1-Pole Tandem Circuit Breaker in the Circuit Breakers department at

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electrical - Eaton Circuit Breaker small LED on but not tripped - Home Improvement Stack Exchange

Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets

GE THQL1120DF Single-Pole Dual Function Plug-in Afci/Gfci Circuit Breaker, 120 Vac, 20 Amp, 10 Kaic: : Tools & Home Improvement

GE's Dual Function Circuit Interrupter (DFCI) provides ground fault and arc fault circuit protection in one unit This is highly durable Manufactured

GE THQL1120DF Single-Pole Dual Function Plug-in Afci/Gfci Circuit Breaker, 120 Vac, 20 Amp, 10 Kaic

DFCI Dual Function Circuit Interrupter

Improved diagnostic trip codes makes troubleshooting easier during maintenance Lower power consumption produces less heat in high ambient areas Allows

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electrical - How to fix bad contact on busbar? - Home Improvement Stack Exchange