Progressive Industries Smart Surge Protectors (SSP) are portable RV surge protectors with the added benefit of a built-in polarity tester. The built-in surge indicator notes the condition of the surge protector. Additionally, the polarity tester (dual line for 50 Amp) checks the status of the power source prior to use. Sleek, compact, portable design makes this unit easy to use and store. Designed for outdoor use. No installation required.
Sleek, compact portable design makes unit easy to use and store. Plug-and-play application. Designed for recreational vehicle use only.
Open Ground, Open Neutral & Reverse Polarity Detection