Are things powered through USB ports in the PC case also grounded to the case? - Quora
Where to connect shield in USB power supply for Arduino? - Arduino Stack Exchange
Understanding the Purpose of Drain Wire in Shielded Cables
Mugteeve Guitar to USB Cable Adapter - USB to 1/4" TS Electric Bass Guitar Cord for Recording,Quarter Inch Male Jack to Computer USB Interface,Nylon Braided, OFC Shield,Plug-and-Play Connection,10FT
USB 2.0 Cable - A-Male to B-Male for ESP8266 Web Server Serial Port WiFi Shield Expansion Board ESP-13 (Specific Models Only) - 10 FT/10 PACK/CLEAR - Walmart.com
USB wiring diagram- Micro USB pinout, 7+ Images - SM Tech
Creating You Own USB Cables : 6 Steps - Instructables
arduino - How to correctly connect a USB shield on a PCB - Electrical Engineering Stack Exchange
DIY Universal USB To Breadboard Connector
USB Shield Ground Connection
USB cables: shielding matters as well...
Arduino from Scratch Part 7: Arduino USB Connection