If you’ve unboxed a new hair tool or countertop oven recently and found a chunky plug with Test and Reset buttons staring back at you, you’re not imagining it.

Over the past year, we’ve tested products like the Ninja Artisan pizza oven, the Dyson Airstrait, and the Dyson Supersonic, and several arrived with oversized plugs that asked us to “test” before they’d even switch on. It’s a small friction point, but readers keep asking: Why are brands doing this now, and should you avoid products with these giant plugs?

Short answer: It’s about safety and compliance, especially around water and high heat.

Longer answer: Different categories are converging on similar protective technologies, and the plugs have to house them.

I’ve pulled together what these devices do, why you’re seeing them mor

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