Queenbee Pro CNC router build part 3: IS IT SAFE!?

For the third installment of the QueenBee Pro router build I finish the electrical panel but mostly I discuss the electrical safety system of my router. Because what you think is be safe might not be when you apply some knowledge and logic to the problem. You will see links to some of the Parts I've used down below.

STEPPERONLINE Stepper Motor Driver 1.0-4.2A 20-50VDC - https://amzn.to/3bYJeND

STEPPERONLINE Switching Power Supply 115V/230V S-350-36 - https://amzn.to/3uCu5br

Arduino Nano - https://amzn.to/3unmehG

Arduino Nano Terminal Adapter Shield (Terminal Adapter 3pcs) - https://amzn.to/3vu0iTb

MUZHI SPDT Micro Switch 12 Pcs - https://amzn.to/3yEDQJn

Nema 23 Stepper Motor 4.2A 3.0Nm (425oz.in) - https://amzn.to/2TfJ8KU

Square Linear Guideway Rail HGH15-1000mm +2Pcs HGH15 - CA Carriage Block - https://amzn.to/3fJDwQA

C-Beam Linear Rail (40mm x 80mm) (Silver, 1000mm) - https://amzn.to/3yLIftO

ABB, AF16-30-10-13, 35 Amps, 100-250V AC/DC Coil, IEC Rated Contactor - https://amzn.to/3fq4QVh

As always, if you like the videos, let me know! If you have any suggestions or questions you van Email me at offhoursengineering@gmail.com or DM me on instagram, @offhoursengineering.

Til next time. ... https://www.youtube.com/watch?v=CZx1zL1zyJ0