colour code

British  

noun

1. a system of easily distinguishable colours, as for the identification of electrical wires or resistors

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Example Sentences

Instead, it has to be made, mainly in two ways, each marked by a colour code.

From BBC

Firstly, it has to be made, mainly in two ways, each marked by a colour code.

From BBC

The system took some information provided by visa applicants and automatically processed it, giving each person a colour code based on a "traffic light" system - green, amber, or red.

From BBC

We also now use a simple score in our weekly lab meeting: every person starts by stating their overall happiness level using a colour code.

From Nature

The sample of amplified RNA is given a unique colour code by the use of four fluorescent dyes mixed in a ratio that provides one of 1,050 possible colour combinations.

From Nature