this post was submitted on 03 Nov 2023
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Brownouts, even ones so minor the human eye can't see, are killers to electronics. Learned that decades ago when I got my first computer (C-64) and had to return a few before we figured out it was bad power. Building code ought to include protection within the main breaker box. Maybe in some places they have such a thing.
The C64 had a notoriously garbage power supply that would eventually cook the machine regardless of how clean your line power is.
I have heard that over the years, I think that may have been hit or miss (as with anything in production). Once I had something to fight the power swings I never had an issue with my power supply again. Perhaps the last one I got was from a "better" run.