NEMA 8 refers to a specific type of electrical connector defined by the National Electrical Manufacturers Association. It is designed for use in various applications, particularly in environments where moisture and dust are concerns. The NEMA 8 standard ensures that the connectors are suitable for indoor use and can withstand certain environmental conditions. These connectors are commonly used in industrial equipment and commercial appliances, providing reliable power connections. NEMA 8 connectors are typically rated for specific voltage and current levels, ensuring safety and efficiency in electrical systems. Their design allows for easy installation and maintenance, making them a popular choice in many settings.