Time-delay plug fuse emergency kit includes fuses that will withstand typical motor starting surges. Use in residential or light-duty circuits that contain electric motors. Edison base size, thread into fuse receptacles. Each kit includes (1) TL-15, (2) TL-20, (3) TL-30, and a Buss fuse tester. 125V, 15A, 20A, 30A. UL (Underwriter's Laboratories) listed.