The neutral, grounded conductor is as important to the circuit working properly as is the hot wire, so if the neutral path is broken, the circuit is incomplete. Space heater receptacle outlet problem. Pin On Electrician Service In Phoenix The wires coming out of breakers are black and smaller than both the red and black wire leading to the outlet. Outlet stopped working after spark . If an electric outlet starts to spark or shows any sign of smudging around the outlet connects, it must not be utilized. There is a good possibility that the problem is either a tripped circuit breaker, or a problem in the light fixture wiring. Constant buzzing sound from the outlet; If an electrical outlet begins to spark, stays constantly warm, or shows any sign of blackening around the plugs, stop using immediately! Outlet sparks are blue, and should only be blue. The outlet where the electric space heater was plugged into is most likely where the problem is. A spark should come an...