Discover the fundamentals of fuses, their types, and applications in electrical systems for effective circuit protection. A fuse is an electrical device that melts when too much current flows through it, to protect a circuit from overload or short circuit. Learn about the history, construction, characteristics, and applications of different types of fuses, such as time-delay, fast-blow, and semiconductor fuses. 12V/24V Automotive Fuse Block Panel Kit - LED Indicator Fuse Block for Automotive, Marine, RV, Boat, DC 12V/24V - Includes Circuit Identification Labels, Assorted Fuses and Mounting Screws Learn what fuses are, how they work, and their types and features for protecting circuits from overcurrent, overload, and shorts. Find out how to choose fuses based on current rating, melting time, voltage rating, and other characteristics.