North Carolina Building Contractor License Practice Exam

What is the minimum height for manual fire alarm boxes from the floor to the activating handle or lever?

1. No less than 30 inches

2. No less than 36 inches

3. No less than 42 inches

4. No less than 48 inches

The correct answer is: No less than 42 inches

The correct answer specifies that the minimum height for manual fire alarm boxes, with respect to the activating handle or lever, is no less than 42 inches from the floor. This height requirement is designed to ensure that these devices are readily accessible for individuals, particularly in emergency situations where quick action is essential. Placing manual fire alarm boxes at this height enhances visibility and usability, reducing the chance of confusion during a critical time. It is crucial for compliance with safety codes and regulations, which are in place to protect occupants in buildings and to facilitate effective emergency responses. Height regulations often take into account various factors, including accessibility for individuals of all heights and those in wheelchairs. Thus, while other height options may seem reasonable, they do not meet the established standard that enhances safety and accessibility for everyone in a building.