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The colour of neutral three core flexible cable is
1. Blue
2. Brown
3. Red
4. Black

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Correct Answer - Option 1 : Blue

Colour of different types of Wire or Cable:

Type

Colour code

Single-phase line

Red/Brown

Single-phase neutral

Black/Blue

Ground wire

Green

Three-phase line 1

Red

Three-phase line 2

Yellow

Three-phase line 3

Blue

Three-phase neutral

Black

Three-phase protective ground or earth

Green (or) Green - Yellow

Neutral wire (3-core flexible cable) Blue

 

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