At what height above the floor must fire alarm conductors typically be protected by a raceway or other mechanical means?

Question: At what height above the floor must fire alarm conductors typically be protected by a raceway or other mechanical means?

Answer options:

• 0.5 m
• 1.0 m
• 1.5 m ✅ 2.0 m

Correct answer: 2.0 m

Explanation: Mechanical protection is generally required for conductors located within 2 meters of the floor to prevent physical damage.