How do DPDT switches work?

[Electric Amish]

Can someone explain it or point me to a website.

What I want to know is what the connectors on the back are configured.

tia

amish

 

[FoBoT]

double pole , double throw

it means two conductors open/close and it has two positions (well 3 positions, off and two others)

i can't draw a picture with a keyboard, but i am sure i can find you a diagram with google, BRB

in this picture, switch S1 is a DPDT switch