Nearly every circuit or subsystem, even those modest sub-one-amp designs, often needs a fuse to protect its own components or the load against internal and external faults. Thermally activated ...

Most places you live in today will manage their electrical power via circuit breakers, though fuse boxes predated that technology in the early 20th century.

Smart circuit-breakers for energy-efficient homes The old fuse box gets a new lease of life Nov 23rd 2017 | 5 min read ...