
On center: Distance between 2 objects, measured from the center of one (centerline) to the center of another.
For example, the distance between the centerline of 2 urinals, or distance between framing members (studs) is specified by building code.
Everything you need to know about the NEW 2026 Exams!
by Lisa League

On center: Distance between 2 objects, measured from the center of one (centerline) to the center of another.
For example, the distance between the centerline of 2 urinals, or distance between framing members (studs) is specified by building code.
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