How to avoid wrong use of AC fuses in DC circuits?
I recently inspected a solar installation where the contractor had installed standard AC fuses in a 380V DC circuit. The system was a disaster waiting to happen – when I explained the danger, the client was shocked at how close they’d come to a potential fire. To avoid misusing AC fuses1 in DC circuits, always […]
What is a Fuse? Understanding the Basics of Electrical Protection
When electrical systems fail, the damage can be catastrophic—destroying equipment, causing fires, and even risking lives. Fuses, though small and often overlooked, serve as critical guardians against these dangerous overloads and short circuits. A fuse is a sacrificial electrical safety device1 containing a metal wire or strip that melts when too much current flows through […]