Hello,
Thank you for reaching out. We appreciate you letting us know your inquiry about the wiring requirement of this Samsung microwave. We understand that this is essential for you. We're here to help.
As per checking, it requires 120 V - 60 Hz for the power source.
For reference, you may refer to the link below for the user manual, where you can find additional information, including the product's technical specifications. See page 40.
https://downloadcenter.samsung.com/content/UM/201904/20190417133913565/MC12J8035CT_AA_DE68-04367A-04_EN.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: 1144219270
-Angelica