SURGE PROTECTION - Absorbs high-voltage spikes up to 2100 Joules and protects the RV electrical equipment from dangerous high/low voltage, electrical disturbances, and sudden power surges due to thunderstorms. | CIRCUIT ANALYZER - Allows you to test the quality of your power before connecting your RV, by verifying if the power source is correctly wired and by helping detect most wiring faults. The 30A RV Circuit Analyzer Diagnostic Chart provides fault indication for the following wiring faults: Correct Wiring, Open Ground, Open Neutral, Reverse Polarity, Hot/Ground Reversed, No Power. | ULTRA-SAFE EQUIPMENT - Carmtek 30 Amp RV Surge Protector is built from flame-retardant material making it extra safe to use. Specially designed for Outdoor Use the 30 Amp Surge Protector is Weather Resistant and Thermally Protected. | EASY TO USE - The RV Surge Protector's plugs are designed with ergonomic power grip handles to safely and easily plug and unplug it, featuring a right-angle male connector to provide a reliable low-damage, and low-bend interface with your power source. | TECHNICAL SPECIFICATIONS - Surge Protection: 2100J, Ratings:...

The Carmtek Portable Surge Protector with Integrated Surge Protection and Fault Indication helps protect your RV from power surges. Diagnostic LEDs indicate wiring faults when you connect your electrical cord to the power pedestal. Carmtek Smart Circuit Analyzer indicates faults for reverse polarity, open neutral, and other wiring issues. Includes integrated surge protection of up to 2100 Joules. Due to its transparent case, it is weatherproof and able to withstand adverse weather conditions. 30 Amp male to 30 Amp female.