Air switch for dishwasher? anyone know what this is?

Anyone know what this is? under kitchen sink, going to dishwasher…
Both the disposal and dishwasher were on electric switches.

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It’s a junction box that comes with a plug for the Bosch dishwashers. You hardwire inside the box and plug the cord into the dishwasher.

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Simon is on the ball. I was about to say it’s a Bosch power supply.

So the GFCI protection is in the panel. Except Ohio. Not required.

right on, it was a Bosch dishwasher. Thank you all!