There’s a problem with fuses. On the face of it, testing would seem to be a one-shot deal — exceed the rated current and see if it blows. But once you know the answer, the device is useless. If only ...

An Instagram video has gone viral after demonstrating a quick hack electricians use to test a fuse using just a smartphone. The clip, posted by @creationsparkdiy, has now reached 5.2 million views.

Add Yahoo as a preferred source to see more of our stories on Google. Place a fuse on a smart phone screen and try to dial a number. If the number lights up and beeps, it means the fuse will conduct ...

To be complete, a fuse-selection checklist now must include the I 2 t parameter. A quick review of this checklist makes it easy to select a fuse for a specific application. Using fuses in electronic ...