 The DL-Coil is available with locking and non-locking covers. To attach the coil cable to a DL-Coil with a non-locking cover, plug the coil cable into the DL-Coil with the logo and arrow on the coil cable plug facing up. To attach the coil cable to a DL-Coil with a locking cover, remove the coil cover, plug the coil cable into the DL-Coil base with the logo and arrow on the coil cable plug facing up and close the cover.