Often misdiagnosed fishy odours are a common indication of electrical problems in a house. The odours can be hard to track down and may come and go as the current draw on the outlet increases or decreases with use. However it is important to determine which outlet is causing the problem as it could lead to a fire if it is not repaired quickly.What Causes the Fishy Smell? When a circuit overheats, the plastics and heat-resistant chemicals used in sockets,circuit breakers, or wiring insulation ...