DETAILED CABLE-CONNECTION FOR LED STRIPSThere are two GND (ground) pins, one Data and one +5V pin on LSS TM1809 LED strips:Strip connection at the topRecommended strip connection at the bottomIf you notice, we use a little trick here – it’s better to connect power-source cables to 2nd segment. There is asimple reason why – it’s more solid and it’s harder to tear the cables from the strip. But please don’t use thistrick with Data – you must connect data cable to 1st segment!