North America (NEC)
Live (Hot)
Black, Red, Blue (for 3-phase systems)
Neutral
White (or) Gray
Ground
Green (or) Bare Copper
Europe (IEC)
Live (Hot)
- Brown (single phase),
- Brown (or) Black (or) Grey (three-phase)
Neutral
Blue
Earth (Ground)
Green (or) Yellow striped
United Kingdom (BS 7671)
Live (Hot)
- Brown (1 phase),
- Brown (or) Black (or) Grey (3-phase)
Neutral
Blue
Earth (Ground)
Green (or) Yellow striped
Australia (AS (or) NZS 3000)
Active (Hot)
- Brown (single phase),
- Brown (or) Black (or) Grey (three-phase)
Neutral
Blue
Earth (Ground)
Green (or) Yellow striped
Asia
India (IS 732)
Live (Phase)
- Red (single phase),
- Red (or) Yellow (or) Blue (3 phase)
Neutral
Black
Earth (Ground)
- Green (or)
- Green (or) Yellow striped
China (GB 50303)
Live (Phase)
- Brown (single phase),
- Brown (or) Black (or) Grey (three-phase)
Neutral
Blue
Earth (Ground)
Yellow (or) Green striped
Japan (JIS C 0303)
Live (Phase)
- Black (single phase),
- Black (or) Red (or) Blue (three-phase)
Neutral
White
Earth (Ground)
- Green (or)
- Green (or) Yellow striped
These color codes are commonly used to assure safety & standardization in electrical systems across multiple countries.
Always consult local regulations for the most accurate & particular instructions.