Home » Training » Trailer Glossary » SAE J560 SAE J560SAE J560 describes the minimum requirements for primary and auxiliary jumper cable plug and receptacle systems for truck-trailer and converter dolly. Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)