Questions tagged [colour-coding]

Colour coding is about using choosing colours to indicate different things such as the function of wires in a cable or the the resistance value of a PTH resistor.

One of the most common colour codings is for power connections:

Red = +
Black = -

Resistor colour codes:

enter image description here

USB cable usually has the following colours:

Red = +V
White = D-
Green = D+
Black = Ground

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All electronic components have numeric values while resistors have colors: why is that?

I'm not an expert in this matter, so AFAIK the most part of electronic components have numeric values while resistors and few other components have colors: why is that? Why there is not a standard for all electronic components establishing the use…

colour-coding

asked Feb 27 '19 at 22:55

willy wonka