SmartPlug RV Cordsets include a patented straight blade Pin & Clip System that eliminates overheating at your RV inlet connection. The SmartPlug Pin & Clip System provides approximately 20 times the metal-to-metal surface contact to efficiently transfer electricity which makes our RV cordset product much safer than the old twist-type system. Safe & Easy To Use! Asymmetrical plug body - Easy to use at night Weatherproof face seal on RV connector end Multi-point locking system (side clips & inlet lid) Straight electrical contacts with 20x more contact area | Smartplug Systems LLC 30 Amp 125V 30 SmartPlug RV Cordset