You can display visual cues in canvas with information about connector number, type, and size.
To toggle the display of visual connector controls, click Analyze tab
MEP Connections panel
Show Connector Controls.
Connector controls display text notes at each connector end, showing the connector number, type, and size for MEP fabrication parts, and the size for MEP design elements. Flow direction can also be displayed for elements that are part of a system connected to equipment, as well as for individual mechanical equipment elements. The displayed information depends on the current action.
Design elements

Fabrication parts
