Most people use the accessories as well as the Plasma Tube as that is the most powerful way to treat a body. When I only want to use the Plasma tube I am careful to always disconnect the other accessories BEFORE turning the Central machine on. We are told that if we attach or disconnect any accessory while the Central machine is turned on it can damage the Central machine. I don't use the accessories all the time for a few reasons, 1. is I do not have a life threatening illness. 2. If I think I am likely to get a cramp and need to jump out of bed very quickly I don't want tens pads on me and wires going everywhere. Reasons like those.
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