$32 dollar isolation transformer

Here’s a simple easy to build Isolation Transformer that you can buy from All Electronics.

Here’s what you need:

1x 120VAC Output transformer

1x outlet connector

1x power cord

You can add a 1/2A fuse that goes on the output of the transformer

Circuit Diagram

Published by Justin Roeder

I am an electronics engineer and computer programmer that has autism. I learned by myself

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  1. delphijustin


  1. for 110v use do you just apply voltage to f1 and s1 or should you parallel the primary windings ie: connect s1 and s2 together and f1 and f2 together?

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