1. Live Wire
- Carries current from the source.
- Dangerous if touched.
- Color Code:
- Home Wiring: Red / Brown
- Lab Wiring: Red
2. Neutral Wire
- Completes the circuit by returning current to the source.
- Generally safe to touch (but can still be dangerous in faulty circuits).
- Color Code:
- Home Wiring: Black / Blue
- Lab Wiring: Black
3. Earth Wire
- Provides a safe path for leakage current.
- Protects us from shocks.
- Color Code:
- Home Wiring: Green / Green-Yellow stripes
- Lab Wiring: Green
Golden Safety Rule:
Always respect color codes. They are like traffic signals in electricity.