The Challenge: An industry leading boat builder’s vessel uses a 120/240V sys- tem protected by a 3-Pole 50Amp C-Series breaker. When the neutral wire became broken or lifted, the unchecked 240V was destroying expensive 120V on-board electronics. Common causes for lifted, or dropped neutral: 1. Sub-standard, or poor/faulty wiring at the marina. 2. Incomplete shore power plug connection - making two of three contacts. 3. Inadvertent disconnectio

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