How to tell whether a USB-C cable can carry high-wattage power and Thunderbolt 3 data

USB-C and Thunderbolt 3 are no longer new technology. But the similarities and differences can still wind up confusing even long-time users of the Mac. Where this tends to manifest itself these days isn’t so much with connectors and adapters, but with power.Some cables with USB-C connectors can carry data, video, and networking traffic while also supplying low-wattage power to USB devices. They’re capable of charging iPhones and iPads, but not maintaining or recharging an Apple lapt