surge protection only enhanced diagnostics full protection southwire surge guard surge protection only rv power protection whole-rv surge and spike protectors guard your rv electrical system and components against a variety of problems originating protect your rv electrical system bet guy protection from source power and internal rv faults 50-amp 30-amp 50-amp indicates indicates indicates indicates protects protects sku# surge suppression electrical rating 30-amp 50-amp surge failure indication miswired pedestal protects protects indication open neutral reverse polarity dangerous current on ground wire open ground protection protection time delay at power up members sale reg — indicates indicates surge guard plugs into remote port on hard-wired surge guards let us install it-members sale $50 secures portable surge padlock sold separately members sale $24.99 works with either the 30-amp wireless-capable surge guards members sale $59.99 reg $6799| protects against theft maintain your rv