Wiring - Typical wiring color codes
|120/240 Volt||277/480 Volt|
|Black||Phase 1||Brown||Phase 1|
|Red||Phase 2||Orange||Phase 2|
|Blue||Phase 3||Yellow||Phase 3|
Note: Orange or yellow wires may be energized with the main disconnect off.
|DC -||Blue with white stripe|
Go to the Control and Power Wiring Lesson series to select your next lesson. There are also many other Lesson Series on PLC Programming and Industrial Automation.