Switch Pole Types: Single Pole vs. Double Pole Engineering and technology notes Jovan Stosic August 18, 2022 https://www.arrow.com/en/research-and-events/articles/understand-the-fundamentals-of-switch-poles-and-throws#:~:text=What%20is%20a%20DPDT%20Switch,four%20output%20terminals%20are%20separate. Switch Pole Types: Single Pole vs. Double Pole was last modified: August 18th, 2022 by Jovan Stosic