Quote:
Originally Posted by rambo1152
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Yes it's
potentially dangerous, as in only one component needs to fail to make it so, but the guy is being a bit precious. Not to mention that his (presumably high impedance) meter would read mains even if the RF ground capacitor and its discharge resistor were perfectly OK.
Restored correctly with the isolated ground bus genuinely isolated from the chassis / case and the RF grounding capacitor replaced by a suitable value Y-class part it will be safe enough on 120V mains. Maybe add a mains ground to the case just for added belt protection.