| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric field remover for making it possible to protect a worker or resident from health damage caused by influence of an extremely low frequency electromagnetic wave, by providing means for safely, surely, and simply getting grounded for various kinds of electric apparatuses or the like used in environment where power is supplied through a single phase two-wire power supply line having no ground terminal. <P>SOLUTION: An electric field remover has: a power supply plug corresponding to a single phase two-wire power supply line; a ground plug to be connected to a ground potential part of an electric apparatus or the like; and a connection code for connecting one side of the power supply plug and the ground plug, in which a potential detection circuit for reporting erroneous connection by using light and/or sound when a hot line of the single phase two-wire power supply line has been connected to the ground potential part of the electric apparatus or the like is installed between the power supply plug and one end of the connection code, and the ground plug is a USB plug. <P>COPYRIGHT: (C)2013,JPO&INPIT |
