SmartPlug 30 Amp 50ft Cordset w/Stainless Steel Inlet & No Thermostat Eliminates overheating - increased pin & clip surface area greatly improves electrical conductivity during high amperage demand Ease of Use - no twist required, the unique plug body shape and push-in design means it only goes in the right way every time - even in the dark Multi-point locking System - side clips and Inlet cover lock the plug body securely into the Inlet which eliminates any stress from movement of the power cord Weatherproof seals - multi-fin silicone gaskets installed in the interior of the plug body eliminate any water penetration when plug is connected to Inlet 125 Volt / 250 Volt . Blue LED power indicator light - Cordset has two blue LEDs to increase visibility Quick and Easy Installation- Inlet mounting flange holes match twist-type holes for an installation that is typically finished in 30 minutes- the total install takes less than 60 minutes