TEJATC Fire Alarm Practice Test 2025 - Free Fire Alarm Practice Questions and Study Guide

Survivability requirements in fire alarm systems are designed to ensure that the system can continue to function during and after a fire or other emergency events. This involves using materials and methods that can withstand fire conditions and maintain the integrity of the fire alarm system.

A two-hour-rated communication infrastructure cable is essential because it can withstand exposure to high temperatures for a prolonged period, ensuring that signal paths remain operational during a fire. Similarly, a two-hour-rated enclosure offers physical protection for critical components, preventing flames and heat from compromising the functionality of the system.

Furthermore, metal raceways provide additional protection and durability for wiring, especially in fully sprinklered buildings where the architecture necessitates robust installation techniques. Metal raceways can also help protect cables from physical damage and allow for easier maintenance.

The collection of these strategies — utilizing two-hour-rated cables, enclosures, and metal raceways — collectively contributes to achieving required levels of survivability. Each option independently addresses various aspects of survivability, and thus "all of the above" is the most comprehensive answer. It acknowledges that each listed option plays a vital role in ensuring the fire alarm system's reliability during emergencies.