Worry not, [Spencer Maroukis] has got you covered with the USB Sleuth Cable Tester! The cable tester is a beautiful black circular PCB, with USB ports of nearly every type on the edges.

While the temperatures he recorded were still within spec, he wondered whether one cable pulling more power than the others would be a much more widespread issue. One user theorized the problem ...

1*Test monitor &1*Wrist band ,*DC output cable &1*Network cable Test unit ,1*Coax cable test convertor & 1*Audio test cable, 1*USB cable & 1*US Power adapter and 1*User manual ...