Which statement is true regarding switch boxes?

Switch boxes are crucial components in electrical systems, serving as enclosures for electrical connections. The correct statement indicates that switch boxes can be used for various other electrical connections beyond just switches. This versatility allows for the organization and protection of wiring, which can include not only switches but also junctions where multiple wires meet.

For instance, a switch box may accommodate a single switch, but it can also contain additional wiring for outlets or lights, facilitating a safer and more organized installation. This reflects the practical design of electrical systems, where efficiency and safety in managing electrical connections are paramount.

The other statements do not capture this versatility. Some switch boxes may be designed for specific applications, but they are generally not limited to solely installing dimmer switches or switches exclusively. The requirement for installation at specific heights is dependent on local codes and practices, but it doesn’t define the primary function of switch boxes. Hence, their broader utility in accommodating various electrical connections reinforces the correctness of the selected answer.