Fault Symptoms: Short circuits cause instant trips; overloads lead to heat and burnt smells; ground faults make equipment frames "live. " Diagnosis: Use tools like multimeters, insulation testers, and thermal cameras to identify issues. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. In this guide, we'll walk through these. The discovery of burnt electrical wiring, often signaled by a smoky odor or visible charring, presents an immediate and serious hazard. Addressing damaged wiring correctly. The unmistakable odor of burning plastic or rubber, often described as a fishy smell, indicates an electrical problem within a home's wiring system. You can do this quickly and easily without pulling in new wires.