When a circuit overheats, the plastics and heat-resistant chemicals used in outlets, circuit breakers, or wiring insulation may emit a fishy or urine-like smell. The odour can be carried throughout the house by the HVAC system, and it may intensify or fade with changing temperatures and circuit usage.
If this is happened in your properties, then you need immediate solve the issue to protect your property. If you ignore this problem, then possibility to develop the fire due to electric short circuits.
