DC high voltage test Home › Electrical Engineering Forum › General Discussion › DC high voltage test This topic has 0 replies, 1 voice, and was last updated 12 years, 11 months ago by moos. Viewing 1 post (of 1 total) Author Posts 2011/12/13 at 8:55 am #10724 moosParticipant Hi every body I've some a question that I need to be cleared Why DC high voltage test devices always generate negative voltages not positive voltages I hope I can find some answer for my question Thanks Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In