3-520412-2 is a fully insulated FASTON receptacle terminal designed for secure quick-connect electrical connections. This terminal features a tin plated copper alloy construction with a nylon housing rated UL 94 V-2 for flammability. The one-piece fully insulated design helps prevent shock and short hazards while providing funnel wire entry and visual inspection of crimp and wire brush. It is UL recognized and CSA certified, meeting UL-310 specification for quick connect terminals with a temperature rating of +105°C. Common applications include appliances, HVAC equipment, and general electrical wiring where reliable, insulated connections are required.