Circuit Analyzer; Identifies Improper or Faulty Wiring in 3 Wire Receptacles; 30 Amp; With Lighted Fault Indicator; With Surge Protector

Help protect your RV from improperly wired electrical boxes. Diagnostic lights indicate faults before you connect your electrical cord. Also includes integrated surge protection. Features & Benefits Helps Protect Your RV From Improperly Wired Electrical Boxes Diagnostic Lights Indicate Faults Before You Connect Your Electrical Cord