The term "houseline" typically refers to the electrical line that runs from the power source to a home or other building. However, this term can also be used to describe other types of lines that run into a house or building, such as gas or water lines. Some synonyms for houseline include utility line, service line, supply line, and connection line. These terms can refer to any type of line that provides a necessary utility or service to a building, and they are often used interchangeably. Regardless of the exact terminology used, it's important to ensure that all houselines are properly installed and maintained to avoid any safety issues or utility interruptions.