FOREWORD ELECTRIC WIRE CODE ELECTRIC WIRE CODE In the wiring diagrams, various colors and symbols are employed to indicate the thickness of wires. This wire code table will help you understand WIRING DIAGRAMS. Example: 5WB indicates a cable having a nominale number 5 and white coating with black stripe. CLASSIFICATION BY THICKNESS CLASSIFICATION BY COLOR AND CODE 00-11 Nominal number Copper wire Cable O.D. (mm) Current rating (A) Applicable circuit Number of strands Dia. of strands (mm) Cross section (mm2) 0.85 11 0.32 0.88 2.4 12 Starting, lighting, signal etc. 2 26 0.32 2.09 3.1 20 Lighting, signal etc.
5 65 0.32 5.23 4.6 37 harging and signal 15 84 0.45 13.36 7.0 59 Starting (Glow plug) 40 85 0.80 42.73 11.4 135 Starting 60 127 0.80 63.84 13.6 178 Starting 100 217 0.80 109.1 17.6 230 Starting Prior- ity Circuits Clas- sification Charging Ground Starting Lighting Instrument Signal Other 1 Pri- mary Code W B B R Y G L Color White Black Black Red Yellow Green Blue 2 Auxi- liary Code WR - BW RW YR GW LW Color White&Red - Black&White Red&White Yellow&Red Green&White Blue&White 3 Code WB - BY RB YB GR LR Color White&Black - Black&Yellow Red&Black Yellow&Black Green&Red Blue&Red 4 Code WL - BR RY YG GY LY Color White&Blue - Black&Red Red&Yellow Yellow&Green Green&Yellow Blue&Yellow 5 Code WG - - RG YL GB LBB Color White&Green - - Red&Green Yellow&Blue Green&Black Blue&Black 6 Code - - - RL YW GL - Color - - - Red&Blue Yellow&White Green&Blue -