junction box

US /ˈdʒʌŋk.ʃən ˌbɑːks/
UK /ˈdʒʌŋk.ʃən ˌbɑːks/
"junction box" picture
1.

接線盒, 分線盒

an enclosed container for electrical connections, allowing wires to be joined and protected

:
The electrician installed a new junction box in the attic.
電工在閣樓上安裝了一個新的接線盒
Always ensure the junction box is properly sealed to prevent moisture.
務必確保接線盒密封良好,以防潮濕。