To plumb a kitchen sink drain, start by installing the drain assembly in the sink. Connect the drain pipe to the sink and the P-trap, ensuring all connections are tight. Attach the drain pipe to the house plumbing, making sure it is properly aligned and supported. Test for leaks by running water through the drain and checking all connections. Make any necessary adjustments to prevent leaks.

Plumbing a kitchen sink drain involves connecting the sink drain assembly to the P-trap and house plumbing. Benefits include improved drainage and reduced risk of clogs. Challenges include ensuring proper alignment and leak prevention. Regular checks and adjustments help maintain a well-functioning drain system.