Surge Guard 44390 Portable Surge Protector with Enhanced Diagnostics - 50 AMP

This is the Surge Guard 50 Amp 44390 Surge protector, and can protect your RV against up to 4200 joules.  This is a perfect unit for travel trailers, pop-ups and any smaller type RV.  This unit also will test for and indicate for the following: Open neutral Open ground Reverse polarity Open circuit/no power Missing leg 1/2 voltage Surge protection status Overheating plug/receptacle Other features include a fully enclosed receptacle cover, increased receptacle brass thickness to reduce heat, convenient T-Pull handle, easy to read LED fault chart, and includes the anti-theft ring that is perfect for use with a cable lock.    Great price for a great unit! If you are in a larger RV we recommend the total electrical protection portable units by Surge Guard (Model 34951).