Greetings!
No, this Samsung dishwasher does not come with a 3-prong power cord.
A power cord or cable is not included in the box. To complete the installation, a separate dishwasher installation kit, which includes the necessary power connection components, must be purchased.
For full details on the required installation parts and specifications, please refer to page 7 of the user manual shared below.
https://downloadcenter.samsung.com/content/EM/202407/20240725151429905/DW5000C_DW80CB507012AA_DD68-00260A-01_EN_MES_CFR_231215.pdf
Should you have additional questions about the dishwasher, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, please provide us with this reference number 1150459887 to help our team pull up your information.
Leo