You can conduct electronic troubleshooting since it allows you to be protected. Plug the transformer device into an outlet, after which you can plug in the device you are using to the transformer. An isolation transformer to block any voltage source is useful to produce exactly the same voltage as one that is entering the transformer. If you own a higher voltage gadget, it can serve as a ground isolation. The volt transformer is what lets power enter the house, then move out from there to the outlets. The isolation transformer is used in medical-grade transformers to shield from shocks, and to avoid potentially dangerous situations when operating with electric power in an emergency setting. Many newer isolation transformers don’t possess a true separation between each part of the transformer which means it may be beneficial to put an adapter to the transformer which doesn’t have the proper ground port. For more details contact a professional company that works on transformers. rrb2u4ob9t.