MCQ
The wire having a green plastic covering is a:
- ALive wire
- BNeutral wire
- CEarth wire
- DNone of these
Explanation:
During wiring in our houses, we use the traditional concept of using red colour wire as live, black as neutral and green for the earth.
These colour codes are used to distinguish between live, earth and neutral
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

