A lineman safety harness adapter system for use in association with a harness, having: a first harness adapter having a first strap having a first top end and a first bottom end loop configured to receive a first locking element at a first bottom end, a second strap having a second top end and a second bottom end loop configured to receive a second locking element at a second bottom end, a third strap having a third top end and a third bottom end loop configured to receive a third locking element at a third bottom end; the first strap, the second strap, and the third strap meeting at the first top end, the second top end, and the third top end into a first top loop configured to receive a fourth locking element.