This is why I was shocked by my 3D Printer IMPORTANT FOLLOWUP

Watch DIY3DTECH.COM's video here https://youtu.be/3jYZDLOV4Jc

Huge thank you to everyone who left their knowledgeable feedback in the comments of the video. I'm really glad to figure out what happened is safe and normal, and most importantly it's a wake up call to take mains voltage seriously and always use high quality, tested equipment!

Oh my, I used CAPS in the title.