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7 Charging Mysteries Explained: Ferrite Beads, Warm Plugs, and Tight Outlets

Charging hardware is full of small mysteries nobody explains: the lump on some cables, the plug that's warm while the cable stays cold, the outlet that grips while its twin lets everything dangle. None of them are malfunctions, most have neat engineering stories, and a couple are worth acting on. Here are seven of the most common, decoded. 1. The lump on the cable (the ferrite …

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