The NEMA L14-30 is a type of electrical connector used for high-power applications. It features a locking mechanism that ensures a secure connection, making it ideal for outdoor equipment and generators. The connector is rated for 30 amps and 125/250 volts, allowing it to handle significant electrical loads safely. This connector is commonly used in commercial and industrial settings, as well as for recreational vehicles and temporary power setups. Its design includes a four-prong configuration, which provides both power and ground connections, enhancing safety and reliability in electrical installations.