Hello R,
Thank you for reaching out and letting us know your inquiry about the wiring of the Samsung induction cooktop. We understand that this information may be essential for you. We're here to help.
As per checking, a 3-wire or 4-wire, single-phase, 208 or 240 volts AC, 60-Hz, the power supply is needed on a dedicated double pole circuit breaker of at least 40 amps for the 30" cooktop.
Attached here is a link to the installation guide that you can check. See pages 6-7 for the electrical requirements.
https://downloadcenter.samsung.com/content/EM/201903/20190314211430975/Induction_Install_NZ30K7880U_NZ36K7880U_DG68-00827A-05_EN-MES-CFR.pdf
For other concerns, do not hesitate to reach out via our Support Channels below:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
Thank you, and stay safe!
Your Reference Ticket Number: 1144280052
-Angelica