Check the listing for details. 30 Amp RV Surge Full Protector With Weatherproof Cover 8000 Joules Power Adapter. Color: Orange + Black, Condition: New. Listed at 36.99 USD. Portable RV Surge Protectors: GEARGO RV Surge Protectors are designed to identifies faulty power and offers 8000 Joules of surge protection. The adapter circuit analysis instrument is used to detect the connection error of the electric system with a grounded safety feature for your electronic equipment. Circuit Analyzer: This 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 indicates the following faults: Correct Wiring, Open Ground, Open Neutral, Reverse Polarity, hot/Ground Reversed, and No Power. Safety Protection: FCC tested. V-1 flame-retardant materials and IP68 waterproof design make it extra safe to use. This Surge Protect.Portable RV Surge Protectors: GEARGO RV Surge Protectors are designed to identifies faulty power and offers 8000 Joules of surge protection. The adapter circuit analysis instrument is used to detect the connection error of the electric system with a grounded safety feature for your electronic equipment. Circuit Analyzer: This 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 indicates the following faults: Correct Wiring, Open Ground, Open Neutral, Reverse Polarity, hot/Ground Reversed, and No Power. Safety Protection: FCC tested. V-1 flame-retardant materials and IP68 waterproof design make it extra safe to use. This Surge Protect.