Southwire 44380 Surge Guard 30A Portable Surge Protector with Enhanced Diagnostics. Identifies Power Supply Status, With Surge Protection Indicator And Thermal Sensor. Southwire Company, LLC is North America’s leading manufacturer of wire and cable used in the distribution and transmission of electricity. Throughout its history, our company has sought to help provide power through our products, our service and by helping empower our customers, employees and communities.
