Safety hazards associated with the electrical and mechanical systems of a home can include carbon monoxide emissions from heat producing equipment, gas leaks, inadequate combustion air
for heat producing equipment, improperly sized or installed relief valves on pressure vessels (such as boilers, water storage tanks, etc.), poorly located or missing safety cutoff switches and improperly
connected flue pipes for heat producing equipment, improperly located emergency switches for heat producing equipment, aluminum electrical wiring, overfused electrical circuits, improperly wired electrical
receptacle outlets, missing or malfunctioning ground fault interrupter circuits, burned or improperly sized electrical wiring, reversed hot and cold water supplies, hot water supplies that are too hot, unsafe
gas connectors, abandoned oil tanks, etc., friable asbestos, high lead content in water, etc.