junction box

noun

Electricity.

1. an enclosure that houses electric wires or cables that are joined together and protects the connections.

junction box

noun

1. an earthed enclosure within which wires or cables can be safely connected

junction box

1. An enclosure within which electric circuits, such as the electrical wiring for different sections of a building, are connected to other circuits, such as outside power sources. Junction boxes are very common in telecommunications circuitry and are used to protect the connections and provide easy access to them.

Word History and Origins

Origin of junction box¹

First recorded in 1895–1900