DC Coaxial Connectors for Flexible LED Strip
1 - The Flexible LED Strip can be easily connected to the power supply by using a DC Coaxial connector.
2 - First solder the red lead wire on the DC Coaxial connector to the positive (+) copper circle on the flexible LED strip.
3 - Next solder the white lead wire to the negative (-) copper circle on the flexible LED strip.
4 - Push the male end of the DC Coaxial connector from the power supply into the female DC Coaxial connector. Now you are ready to plug the power supply into the wall jack.