Three- and 4-pin spacer cables allow you to jump from one point to another to continue the same run of lights in two different locations.  Spacer Cables connect end-to-end in series, but it's not recommended to exceed 20-FT without a pixel/light/bulb, or the data signal could be lost before it reaches the next light.  If >20-FT in cables, please employ "Data Boosters" & "4-Wire Extenders".  Color and length options.  IP66, (c)UL listed.