At 6am this morning the CWFC was alerted for a house fire. 41-3 arrived to find a 2 story multi family dwelling with smoke showing from the 2nd floor. The engine crew investigated and found an electrical fire behind a refrigerator. The tennant already had the fire out with a household fire extinguisher. If not for his quick actions this fire could have been a lot worse. The power was disconnected to the apartment and the apartment was ventilated. Units were in service in 20 minutes.