![]() The deck plate is floating, so to say not connected to anything. So the Hickoks have no grounded deck plate by default, and this is very dangerous. Well I was lucky, this one had a grounded deck plate! The owner before me modified it that way. It happened to one of my Hickoks, and I realized the danger then. If by any chance you are leaning on the metal handle of another (properly) grounded instrument it zaps you really bad. You have 50% chance the hot side (230V) touches the deck plate. Since the deck plate is not grounded, this will not blow the fuse of your house. You think that's impossinle? Now with the Hickoks, it is nothing unusual if the mains cord breaks off the potentiometer (see picture). At 230V however, all you need to do is touch two metal surfaces with your left and right hand, and 230V in between them. For getting that kind of current at 115V you need to do these things like using a hair dryer in the bath tub. It means if that happens, and you're alone, you're dead after four minutes. The other is, you above 60mA through the heart, it stops beating until you get an injection with insulin. At 230V you can burn your fingers, but I had that so often. With an electric shock, there are two things that are not so nice. In the USA, the mains voltage is 115V and in Europe 230V.ΔΆ30V is not twice as dangerous as 115V. ![]() This the most important one, when you use a Hickock with an 230/115V auto transformer. ![]()
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December 2022
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