No, you cannot legally or safely use Square D circuit breakers (neither QO nor Homeline series) inside a General Electric (GE) electrical panel. Schneider Electric and GE design their load centers with entirely different proprietary bus bar thicknesses, physical enclosure depths, and mounting clip geometries. Forcing an incompatible brand into a GE panel violates National Electrical Code regulations, creates a loose, high-resistance connection, poses severe fire hazards, and voids warranties.
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