Red, white, green and black are the standard wiring colors, corresponding to pins 1, 2, 3, and 4 respectively;
The four wires are 1-power 2-data 3-data 4-power
The general arrangement is: red, white, green and black from left to right
Red-USB power, marked with-VCC, Power, 5V, 5VSB
White-USB data cable (negative)-DATA-, USBD-, PD-, USBDT+
Green-USB data cable (positive)-DATA+, USBD+, PD+, USBDT+
Black-ground wire-GND, Ground
USB is a commonly used PC interface, with only 4 wires, two power sources and two signals. It should be noted that the positive and negative poles must not be reversed, otherwise it will burn the USB device or the south bridge chip of the computer!
