Category Archives: fuse

Test Unknown Fuses Without Destroying Them

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 there were a way to test fuses without damaging them. …read more

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Posted in constant current, fuse, misc hacks, parts, positive temperature Coefficient, PTC, resistance, testing, voltage drop | Leave a comment

How The Power Gets To The Outlet

[Practical Engineering] is ready to explain how power substations get electricity to you in his latest video, which you can see below.  One of the things we always notice when talking to people either in our community or outside it is that most people have no idea how most of …read more

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Posted in breaker, electricity, fuse, grid, home hacks, misc hacks, recloser, substation | Leave a comment