9.3. Marking of wires
Wires differ on color of isolation and section of a current-carrying part depending on to what electric devices they are connected.
On schemes wire marking by an alphabetic code is specified.
F–wire type (a flexible wire); Т: twisted wire.
1.25-section of a wire in mm. If value is not specified, section of a wire equally 0,5 mm. If the code of color of a wire is given in brackets, section of a wire equally 0,3 mm.
G–primary color of a wire.
In – a complementary color of a wire.