277 Volt Wiring Color Code. This is required in NEC article 11015. Gives 480 277 volts.
Due to the serious potential for deadly electrocution or other issues getting these color codes right is essential. US DC Wire Color Code. Color codes 277480 Y.
The wire colors for this category are.
Current Australian colour code- Multiphase. 277 Volt Lighting Wire Colors. Blue for 120 208 or 240 V Yellow for 277 or 480 V. The wire colors for this category are.