Cable has four lines, which is two power cords?
The data line?
< / p> < / p> < / p> < / p> red and black is the power cord, white and green line used for the transmission of data < / p> phone charger in four of the thread colors are: red, white and green and black.
Two wire cable, the two is the power cord including grounding, < / p> red line: positive (
Connection are identified as: + 5 v or VCC)
< / p> white line: negative voltage cable (
Are identified as: Data -
Or USB Port
< / p> green line: positive voltage cable (
Are identified as: Data + +) or USB Port
< / p> black line: grounding (
Are identified as: GND)
< / p> < / p> simple can be summarized as: red (
Data line 1)
Data line 2)
< / p> resources: baidu encyclopedia < / p>