Wire burial rules for equipment close to house

My hvac unit is around 5 feet from my house and the electrical wire for it is just in the air (3-5 inches off the ground) and not buried, so… My hvac unit is around 5 feet from my house and the electrical wire for it is just in the air (3-5 inches off the ground) and not buried, so…Read MoreGreenBuildingAdvisor