Electrical Color Code
Adhere to the proper color code when hooking up a UPS, and double check your work before applying power.
- NEC-US/Can
(120,208,240V) - L1: Black
- L2: Red
- L3: Blue
- N: White
- G: Green
- L: Black
- N: White
- NEC-US/Can
(277, 480V) - L1: Brown
- L2: Orange
- L3: Yellow
- N: Grey
- G: Green
- L: Red
- N: Grey
- IEC-UK & EU
(Europe) - L1: Brown
- L2: Black
- L3: Grey
- N: Blue
- G: Green
- L: Brown
- N: Blue
- UK
(old code) - L1: Red
- L2: Yellow
- L3: Blue
- N: Black
- G: Green
- L: Red
- N: Black
- China
& Russia - L1: Yellow
- L2: Green
- L3: Red
- N: Black
- G: Green
- L: Yellow
- N: Black
- Australia
& New Zealand - L1: Red
- L2: White
- L3: Blue
- N: Black
- G: Green
- L: Red
- N: Black
Japan- L1: Black
- L2: Red
- L3: White
- N: White
- G: Green
- L: Black
- N: White
- India, Pakistan
& South Africa - L1: Red
- L2: Yellow
- L3: Blue
- N: Black
- G: Green
- L: Brown
- N: Blue
Green or Green-Yellow is ALWAYS used for protective grounding/earthing. A green wire can only be connected to another green wire.