In a domestic circuit, the wire with red insulation is the:
- Loop wire
- Link wire
- Live wire
- Lead wire
Show answer and solution
Correct answer: C. Live wire
1. Domestic supply comes on two wires of different insulation colour.
2. The wire with red insulation is the live wire.
3. The one with black insulation is the neutral wire, at 220 V difference.
_Source: syllabus Science, Ch 13 'Magnetic Effects of Electric Current'_