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Is it possible to connect multiple grounds or (-) into a switch while keeping the power sources and outputs seperate? Answered

Heres a picture of the concept i need to know i would be doing this with more power sources and outputs is it possible and is each battery's power isolated from the others even though i can switch them both off! This is vital because im working with diodes and one burst of power and flush goes my money
any help is appreciated greatly. Thank you!


Yes, use a multipole switch: in your example a double pole switch will work just fine.


Are all the negatives joined together, or are there two seperate wires running through a double pole switch?

Ya all the negatives would be connected through a switch to very FRAGILE diodes