- 2075 Baisakh · 3 marks
Fundamental requirements of electrical wiring
Short answer
Wiring must ensure safety via insulation, earthing, and protective devices; provide adequate capacity with low voltage drop; be durable, economical, accessible for maintenance, neat, flexible for extensions, and reliable with separate circuits; all must comply with standards.
Describe the fundamental requirements of electrical wiring.
The fundamental requirements of good electrical wiring are:
- Safety: of persons and property - well-insulated conductors, protection by fuse/MCB/ELCB, and proper earthing.
- Adequate capacity: conductor size sufficient for the load current, with a margin for future increase; voltage drop kept within 3-5%.
- Durability: quality material that resists moisture, heat and mechanical damage, for long life.
- Economy: cost-effective in material and labour, with short runs.
- Accessibility: switches, boards and joints within reach for operation and repair.
- Appearance: neat and concealed where possible, so it does not spoil the interior.
- Flexibility and extension: easy to add points later.
- Reliability: separate circuits, so that a fault does not cut the whole supply.
- Compliance with the electricity rules and standards (IS 732, NBC 207).
✓ Answer checked by Claude Opus 5.5 (high effort)
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