USB Cable Color Code

Standard USB Pinout & Cable Color Code

Pin	Wire Color	Function
1	Red	V BUS (+5V)
2	White	D-
3	Green	D+
4	Black	Ground

Mini-USB Type-A Pinout & Cable Color Code

Pin	Wire Color	Function
1	Red	V BUS (+5V)
2	White	D-
3	Green	D+
4	Joined to pin 5	ID
5	Black	Ground

Mini-USB Type-B Pinout & Cable Color Code

Pin	Wire Color	Function
1	Red	V BUS (+5V)
2	White	D-
3	Green	D+
4	Not connected (*)	ID
5	Black	Ground

(*) Sometimes  joined to pin 5 via a resistor