Not sure if this helps, but you can buy adapters that make a 2 prong plug a 3 prong plug. I've gotten them a Lowe's & Home Depot for about $3. I live in an old house & have used them for my microwave & coffeemaker. Might work for your situation.

Good luck.

You need to get new guys for your labor. They don't have any idea what they're talking about. I wonder what else they don't know about. The push button on the top of the counter is connected by an air tube to the power supply. The power supply is plugged into the wall outlet under the sink. The garbage disposal is plugged into the outlet mounted on the power supply.