Its essential component is a metal wire or strip that melts when too much current flows through it , thereby interrupting the current .
In electronics and electrical engineering , a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit .
fuse 's essential component is a metal wire or strip that melts when too much current flows through it , thereby interrupting the current .
In electronics and electrical engineering , a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit .