What is the primary function of a junction box in electrical systems?

The primary function of a junction box in electrical systems is to house and protect wire connections and facilitate circuit management. Junction boxes provide an organized space for electrical connections to take place and are designed to keep these connections safe from physical damage and environmental factors. They ensure that wires are insulated and accessible for future maintenance or troubleshooting. Additionally, junction boxes help in managing circuits by allowing for the branching of wiring, making it easy to run multiple circuits from a single power source. This functionality is essential for both safety and efficiency in any electrical installation.