| 摘要 |
Devices and methods for preventing shock from a high voltage power source. In one embodiment, a device for preventing an electric shock, the device comprises output terminals for connecting to an external load, a low voltage circuit for carrying a first current (I L) to the output terminals, the low voltage circuit comprising a first coil disposed about a magnetic core, and a high voltage circuit for carrying a second current (I H) to the output terminals, the high voltage circuit comprising a second coil disposed about the magnetic core, and a control relay configured to electrically connect one of the high voltage circuit and the low voltage circuit to the output terminals based at least partly on the first current (I L). |
