I've come in contact with the wire several times over the 24 years that I've been using this set up..outside of some warmth never felt a tingle.
And good luck to you. I'm not here to argue. All I'm saying is I've seen something potentially dangerous based on my qualifications and offer some advice on how to make the process less hazardous. If people take my advice or ignore it that's their business.
Everyone's trying to do things on the cheap these days. A transformer is much cheaper than a funeral. - John.