MediumAdditional Assistant Engineer (Electrical)2026✓ Editorially verified

Armouring and Earth-Leakage Protection

An underground cable installation in an industrial facility requires both mechanical and electrical protection. Which combination of methods best ensures comprehensive protection for the cables?

⚑ Report issue

Found a wrong answer, translation, image or source problem? Send it to editorial review.

Answer & Explanation

Correct AnswerA. Use of armored cables with earth leakage circuit breakers

Quick Explanation

Armouring gives mechanical protection against crushing or impact, while an earth-leakage protective device provides electrical shock/fault protection. Together they address both required hazards.

Armouring and Earth-Leakage Protection explanatory diagram

Detailed Explanation

Correct Answer

A — Use of armored cables with earth leakage circuit breakers

Explanation

Armouring gives mechanical protection against crushing or impact, while an earth-leakage protective device provides electrical shock/fault protection. Together they address both required hazards.

Key Concept

Armouring and Earth-Leakage Protection

Exam Point

Mechanical protection = armour; leakage protection = ELCB/RCD.

Quick Trick

Mechanical protection = armour; leakage protection = ELCB/RCD.

Exam Tip

Mechanical protection = armour; leakage protection = ELCB/RCD.

Continue learningRelated PYQs & Exam ContextExam path, knowledge path and deeper practice links.

Exam Path

Knowledge Path

Study concept · Armouring and Earth-Leakage Protection →Practice concept Practice topic

1Previous Exam Appearances

6All Related Questions

Previous Exam Appearances

01 ADDITIONAL ASSISTANT ENGINEER.pdf2026Q. 32

Armouring and Earth-Leakage Protection

Quick Explanation

Detailed Explanation

Correct Answer

Explanation

Key Concept

Exam Point

Quick Trick

Exam Tip

Previous Exam Appearances

More Questions From This Concept

Related Topic & Exam PYQs