It’s for using with the MEP functionality. In the default architectural work environment it turns off. There is a setting in the project preferences where you can automatically convert objects which can be classified as MEP elements to Equipment when they are placed. It allows you to change the settings of the plumbing connections.
Lee Hankins
ArchiCAD 4.5 - Archicad 27UKI Apple Silicon 27.2.0
macOS Sonoma (14.4.1)
