55309 Circuit Analyzer with Integrated Surge Protection and Fault Indication, 50 A

This item helps protect your RV from power surges and faulty electrical connections. Diagnostic LEDs indicate faults when you connect your electrical cord to the power pedestal. The circuit analyzer indicates faults for reverse polarity, open neutral and other wiring issues. Includes integrated surge protection of up to 2100 Joules. It is weather-proof and able to withstand adverse weather conditions. A contoured grip makes unplugging easier. 50 A male (NEMA 14-50P)/50 A female (NEMA 14-50R).