Wire Insulation Color Code Page




Determine the application and select the correct catagory below. This will take you to the correct color code chart for your application.



Select here for 120/240 VAC Power Wiring (and certain 4KV Power Wiring) Applications
Select here for 277/480 Power Wiring Applications
Select here for Stereo Audio Applications
Select here for AF (Audio Frequency) Transformer Applications
Select here for IF (Intermediate Frequency) Transformer Applications
Select here for Electronic Equipment Applications
Notes:

Chart of Standard Wiring Colors For Power Wiring Applications For 120/240 VAC circuits.

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Wire Color Circuit Type
Black Phase 1
Red Phase 2
Blue Phase 3
White Neutral
Green Ground


Chart of Standard Wiring Colors For Power Wiring Applications For 277/480 VAC circuits.

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Wire Color Circuit Type
Brown Phase 1
Orange Phase 2
Yellow Phase 3
Grey Neutral
Green w/ yellow stripe Ground


Chart of Standard Wiring Colors For Stereo Audio Applications.

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Wire Color Circuit Type
White Left Channel High Side
Blue Left Channed Low Side
Red Right Channel High Side
Green Right Channel Low Side


Chart of Standard Wiring Colors For AF (Audio Frequency) Transformer Applications.

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Wire Color Circuit Type
Black Ground
Blue End Primary Loop (Collector)
Brown Start Primary Loop
Green End Secondary Loop
Red B Plus
Yellow Secondary Center Tap


Chart of Standard Wiring Colors For IF (Intermediate Frequency) Transformer Applications.

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Wire Color Circuit Type
Blue End Primary Loop (Collector)
Green Start Primary Loop
Red B Plus
Violet Secondary Output
White Secondary Low Side


Chart of Standard Wiring Colors For Electronic Equipment Applications.

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Wire Color Circuit Type
Black Ground
Blue Transistor Collector, FET Drain
Brown Filaments
Gray AC power leads
Green Transistor Base, FET Gate
Orange Screen Grid (Gate 2)
Red B Plus DC Supply
Violet Power Supply Minus
White Minus of Bias Supply
Yellow Transistor Emitter, FET Source


Notes:
#1. These values are for educational purposes only.
Due to the wide range of circuit applications, the author assumes no responsibility for the application of these values.


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