junctionbox
nounUK /ˈdʒʌŋkʃən bɒks/
US /ˈdʒʌŋkʃən bɑːks/
A junction box is a small box that keeps electrical wires safe and tidy.
The electrician opened the junction box to check the wires.
OTHER MEANINGS
2. A metal or plastic enclosure where several electrical cables are joined together.
All the cables from the house meet in a junction box in the garage.
3. A protective housing used in vehicles to connect and organize wiring.
The mechanic traced the fault to a corroded junction box under the dashboard.
4. A box on a railway or road system where tracks or routes meet and signals are controlled.
The signal operator checked the junction box before the evening trains.