The new 50 Amp Surge Guard Portable RV Power Protection with Diagnostics, Model 44290, is perfect for pop-ups and travel trailers. It identifies faulty park power, offers surge protection, and analyzes circuits to verify pedestal power. Indicators illuminate to show power status and over heat conditions. Tests for and indicates Open Neutral, Open Ground, Missing L1 & L2, Correct Polarity, Reverse Line, Reverse Ground, and Open Circuit. 4,200 Joules of Power Surge Protection!
