Don’t care about balls
In short, those balls might draw a little more attention to something as ugly as a power cable, but that’s exactly their purpose. The next time you’re on an airplane, you can thank those balls. After all, they make life a lot easier for your pilot. And now that you know exactly what’s going on, you can tell your fellow passengers exactly what’s going on with those crazy colored balls on the high-voltage cables for the rest of your flight.
