While many power supplies can be set to limit their output current to a defined level, to protect the circuit they are powering, no such protection is available if you are powering a circuit from a ...

I often add additional electronic components to my cars. Amps, auxiliary lighting, etc. What usually winds up happening is that my battery or some junction box has a bunch of wires hopping off of it, ...

From the March/April 2025 issue of Car and Driver. Like Odor-Eaters in workout shoes, a fuse doesn't call attention to itself until it stops working. These circuit breakers have two states: letting ...