North Carolina Building Contractor License Practice Exam

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What is the allowable height for manual fire alarm boxes regarding occupant load safety?

36 inches to 42 inches
30 inches to 48 inches
24 inches to 44 inches
42 inches to 48 inches

The correct answer is: 36 inches to 42 inches

The allowable height for manual fire alarm boxes is established to ensure that they are easily accessible to all occupants in various building situations. The correct range of 36 inches to 42 inches ensures that individuals, including those who may be using a wheelchair or individuals of varying heights, can reach the alarm boxes without difficulty. This height range adheres to safety standards that prioritize the rapid response to a fire emergency by making sure all individuals, regardless of physical ability, can easily locate and activate the alarms. Accessibility is a critical consideration in building design, particularly in commercial and public spaces, where a diverse population may need to operate safety equipment quickly and effectively. In contrast, other height ranges listed do not align with the established accessibility standards, making them less effective in ensuring that all occupants can access the manual fire alarm boxes in an emergency. This height requirement is part of broader life safety code measures aimed at minimizing risks during emergency evacuations.