The 50 ft Extension Cord with Ground Floor Circuit Interrupter/Breaker is a surge protector specially designed for industrial, home or heavy duty equipment use. It is designed to protect equipment from electric power voltage fluctuation. The GFCI Automatically shuts off once the current is higher (inbuilt intelligence system) than that required by the destined equipment.
The 50 feet length means you can use your equipment in wider areas without inhibition. This extension cord with GFCI is the tool you need to extend the profitability of that precious equipment!