The term "NEMA 14" refers to a specific type of electrical connector defined by the National Electrical Manufacturers Association (NEMA). It is commonly used for 240-volt circuits and is designed for applications such as electric vehicle charging and high-power appliances. The NEMA 14 connector features four pins, allowing for both power and ground connections. NEMA 14 connectors come in various configurations, with the most common being the NEMA 14-50, which supports up to 50 amps of current. This makes it suitable for heavy-duty equipment and ensures safe and reliable electrical connections in residential and commercial settings.