Last Updated
：2025/12/07
lost neutral
Noun
(electrical
engineering)
A
dangerous
situation
where
the
neutral
wire
in
a
split-phase
power
system
becomes
broken
or
disconnected,
forcing
all
electrical
current
to
flow
directly
between
the
two
line
wires
and
exposing
loads
connected
between
line
and
neutral
to
unstable
and
potentially-excessive
voltages,
posing
a
risk
of
equipment
damage,
electrical
fire,
or
electric
shock.
Japanese Meaning
分岐型電力システムにおいて、中性線が断線または切断されることで、電流が二本のライブ線間を直接流れるようになり、中性線とライブ線間に接続された負荷が不安定または過大な電圧に晒され、機器の損傷、火災、感電などの危険を引き起こす状態
Sense（1）
(electrical
engineering)
A
dangerous
situation
where
the
neutral
wire
in
a
split-phase
power
system
becomes
broken
or
disconnected,
forcing
all
electrical
current
to
flow
directly
between
the
two
line
wires
and
exposing
loads
connected
between
line
and
neutral
to
unstable
and
potentially-excessive
voltages,
posing
a
risk
of
equipment
damage,
electrical
fire,
or
electric
shock.
（ plural ）
Quizzes for review
(electrical engineering) A dangerous situation where the neutral wire in a split-phase power system becomes broken or disconnected, forcing all electrical current to flow directly between the two line wires and exposing loads connected between line and neutral to unstable and potentially-excessive voltages, posing a risk of equipment damage, electrical fire, or electric shock.
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See correct answer
lost neutral
A lost neutral in a home's split-phase system can cause dangerously fluctuating voltages across appliances, risking equipment damage, electrical fire, or electric shock.
See correct answer
A lost neutral in a home's split-phase system can cause dangerously fluctuating voltages across appliances, risking equipment damage, electrical fire, or electric shock.
音声機能が動作しない場合はこちらをご確認ください
English - English
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