The Swedish guys from "Luxor" also made electronics with live chassies, but don't know how they made the next thing: when you insterted the plug and the chassie should had 220 V on it, the apparatus didn't turn on!; in only turned on when the phase of the supply network isn't on the chassie!
In Europe, there where a lot of damn bloody live chassie tv sets (including color ones). The reason why: they sad the transformers are to expensive to built and the tv sets will be to heavy if they will put an transformers. The only ones that gave a shit about that stupidity where the Soviets - the Soviets always made tv's with transformer (there where a few models that had auotransformer - likw the one at my home - with autotransformer you could have a live chassie too!)
The 1st Romanian tv set (V.S. 43-611), made with French components had live chassie and metal case! I guess that in Japan they had live chassies sets too, since the Romanian tv sets (Naţional, Luchian, Grigorescu) where made with Japanese components and live chassies! On the oposite, allmost all Romanian tube radios made after 1949 had transformer (the only live chassies ones where made in the '50's, when D.C. was still found in some areas).
I heard of people dieing electrocuted by live chassie tv sets. A guy had 2 doughters. One day, one of his girls flipped a flower vase and the watter liked into the tv... the chassie was live, and she got electrocuted - she died
The guy dumped the live chassie tv and he bough him a Soviet tv - the Soviet tv had a transformer. Some people died while tryed to repair these sets.
I will get me a Romanian Naţional V.S. 43-614 tv set (the 1st one to have Japanese components - made by "National-Panasonic" ("Matsushita")) - except for the C.R.T. - which was "Valvo"), whic have live chassie, but since it may also works at 110 V I will conect it to an 220 V - 110 V transformer, so there will be no direct conection to the supply network! I will also put an light bulb to see if there is current on the chassie.