The electrical distribution box was making a squeaking noise
It's also possible that someone has overloaded the breaker box in an attempt to squeeze more circuits into an outdated unit. Distribution boxes are the unsung heroes of our electrical systems, quietly managing power until something goes wrong. A buzzing noise coming from your electrical panel, often called a fuse box or breaker box, should be treated with urgency because it represents an electrical fault that is abnormal and potentially hazardous. A faint, low humming sound is sometimes a normal byproduct of alternating current (AC).
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