What type of switches must be installed to control a single luminaire from multiple locations?

To control a single luminaire from multiple locations, a combination of 2-way and 4-way switches is required. A 2-way switch allows the control of the light from two different locations and is essential for the initial setup. To extend this control to more than two locations, a 4-way switch must be used. The 4-way switch acts as an intermediary that allows for the control of the luminaire from additional locations, effectively creating a circuit that can handle multiple switches controlling the same light source.

This combination is crucial because it allows flexibility and expands the functionality of the lighting system, ensuring that users can turn the light on or off from various points around a room or hallway. In contrast, only using 3-way switches would limit control to just two locations. Toggle switches, while they can be used in conjunction with 2-way and 4-way setups, do not inherently create the necessary pathway for controlling a single luminaire from multiple locations. Standard circuit breakers have a different purpose and are not involved in light control scenarios, as their function pertains to the overall electrical protection of the circuit. Therefore, a combination of 2-way and 4-way switches is the correct and effective solution for this scenario.