The NEMA 14-30 is a type of electrical outlet and plug configuration commonly used for high-power appliances. It features a 4-prong design, which includes two hot wires, one neutral wire, and one ground wire. This setup allows for a maximum current of 30 amps and is typically used for devices like electric dryers and some electric vehicles. The NEMA standard ensures compatibility and safety in electrical connections. The 14-30 configuration is rated for 240 volts, making it suitable for heavy-duty applications. Proper installation and adherence to electrical codes are essential for safe operation.