neutral wire

US /ˈnuːtrəl waɪər/
UK /ˈnuːtrəl waɪər/
"neutral wire" picture
1.

cable neutro

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.
Conecte siempre el cable neutro al terminal designado.
The electrician checked the voltage between the live and neutral wire.
El electricista comprobó el voltaje entre el cable de fase y el cable neutro.