The built-in surge indicator notes the condition of the surge protector. Additionally, the polarity tester (dual line for 50A) checks the status of the power source prior to use. Sleek, compact, portable design makes it easy to use and store. Designed for outdoor use. No installation required.
Featuring a portable, sleek and compact design. This Surge Guard was made rugged, for outdoor use. Progressive Industries 50 Amp Portable Surge Guards comes with a lifetime warranty.