True or false: A corridor that is 20 feet in width meets the spacing requirements of a room.

The assertion that a corridor 20 feet in width meets the spacing requirements of a room is false. Spacing requirements for fire alarm devices, such as smoke detectors and alarms, are determined by specific codes and standards that take into consideration the intended use of the space and the potential for smoke and heat accumulation in a particular area. Generally, requirements are expressed in terms of the maximum allowable distance between devices based on room dimensions, occupancy, and the layout.

In the context of corridors, there are specific regulations that dictate the placement and type of fire alarm devices, as corridors are not typically treated the same as fully enclosed rooms. The International Building Code (IBC) and National Fire Alarm and Signaling Code (NFPA 72) outline these spacing requirements, which must be adhered to regardless of corridor width.

Identifying that a corridor is 20 feet wide does not automatically imply compliance with spacing requirements, as the nature of the space, its intended use, and its construction type play critical roles in determining what is allowable. Therefore, it's necessary to evaluate all factors, including the specifics of the arrangement of devices within the given corridor space.