![Álvaro Prieto on Twitter: "USB-C cables only pass through CC1. In order to use DAM, we need to have a USB-C plug (or custom cable) to connect both CC1 and CC2. If Álvaro Prieto on Twitter: "USB-C cables only pass through CC1. In order to use DAM, we need to have a USB-C plug (or custom cable) to connect both CC1 and CC2. If](https://pbs.twimg.com/media/FMJSLmHVQAI5z9C.png)
Álvaro Prieto on Twitter: "USB-C cables only pass through CC1. In order to use DAM, we need to have a USB-C plug (or custom cable) to connect both CC1 and CC2. If
XMSJSIY USB Type C PD Pigtail Cable Charge Bare Wire Data Transmission Extension Power Cable 6 Cores 5A CC1 CC2 Fast Charging Power Supply 2 :B0C1YXM9PF:オカイチストア - 通販 - Yahoo!ショッピング
![Amazon.com: ELNONE USB C Pigtail Cable, Type-C 4ft 1.2meter 5A 20AWG 6 core Power Data Pigtail Cable, CC1 CC2 Cord DIY Black for Laptop Charging : Electronics Amazon.com: ELNONE USB C Pigtail Cable, Type-C 4ft 1.2meter 5A 20AWG 6 core Power Data Pigtail Cable, CC1 CC2 Cord DIY Black for Laptop Charging : Electronics](https://m.media-amazon.com/images/I/51LZ09LqRxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ELNONE USB C Pigtail Cable, Type-C 4ft 1.2meter 5A 20AWG 6 core Power Data Pigtail Cable, CC1 CC2 Cord DIY Black for Laptop Charging : Electronics
Why do USB-PD Traces sometimes show volage on CC1 AND CC2, and other times show voltage on only CC1 OR CC2?
![Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version) Share about Firmware-Hardware and the latest USB Type-C PD technology. : USB Type-C Configuration Channel (CC) pin function (English version)](http://1.bp.blogspot.com/-MeDQDtxyuSE/U_F-lcfK78I/AAAAAAAAAfM/2kMzMfo8GIE/s1600/TypeC_host_device.jpg)