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

1.
중성선
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.
항상 중성선을 지정된 단자에 연결하십시오.
•
The electrician checked the voltage between the live and neutral wire.
전기 기술자는 활선과 중성선 사이의 전압을 확인했다.