Raritan Reverse Polarity Alarm [RPA]

Raritan Reverse Polarity Alarm [RPA] Stay Safe. Know Before You Plug In. Why You’ll Love It The Raritan Reverse Polarity Alarm [RPA] is a critical safety device for any boat that plugs into 120V AC shore power. Marina wiring varies widely, and not all outlets are wired correctly. This compact device alerts you immediately when the hot and neutral wires are reversed, which can expose your onboard electrical system—and your crew—to dangerous conditions. With both visual and audible alerts, the RPA gives boaters a clear warning before serious damage or shock can occur. Whether you're docking at a new marina or returning to a familiar slip, this alarm helps ensure the outlet is wired correctly—before you connect. Key Features Reverse Polarity DetectionInstantly alerts you to unsafe dockside wiring with reversed hot and neutral conductors. Audible & Visual AlertsBuilt-in buzzer and warning light make sure you don’t miss critical warnings. Easy Panel MountingDesigned to be install