neutral wire
US /ˈnuːtrəl waɪər/
UK /ˈnuːtrəl waɪər/

1.
fil neutre
a wire in an electrical circuit that completes the circuit and carries current back to the source, typically maintained at or near ground potential
:
•
Always connect the neutral wire to the designated terminal.
Connectez toujours le fil neutre à la borne désignée.
•
The electrician checked the voltage between the live and neutral wire.
L'électricien a vérifié la tension entre le fil sous tension et le fil neutre.