I constantly touch my torch(orange plate that gets hand fed is on the sandbed behind it), I get nothing from it. Same as any of my other corals.
I do get a slight tingle when I have a cut on my hand and stick it in the tank. I chalk that up to saltwater though.
I do tend to have fair/sensitive skin. It gave me a little jolt and ended up with a callous on my thumb that was kind of like a light brush burn.I have a couple friends who cant get near some coral without getting stung. I am always elbows deep in frag tanks and help with shipments at my LFS as well. Have yet to find anything that can sting me. Sensitive skin maybe?