LED 24 connecting cable - the easiest way to conduct electricity The LED 24 product series includes connecting cables made of white plastic with a length of 1 m and 2.5 m. They can be easily routed within a room or through walls. They can be easily routed within a room but also through walls. Simple and space-saving installation The LED 24 connecting cable has plugs with a diameter of 8.5 mm. This means that a hole of 9 mm is sufficient to push the cable through. This keeps the drill holes small and the connecting cable (2 x 0.18 mm²) lies inconspicuously in the background.