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Milton Morse: Improved safety device for electrical appliance. Milton Morse, WANG ZHONGZHONG WU ZENGYONG, August 22, 1990: CN89102323

A safety device for minimizing electrical shock to a user is taught. Briefly stated, a ground plane is disposed inside an electrical tool or device. Should the tool become immersed in water or become unreasonably wet, the plane provides a path for electrical current, which energizes an interrupt dev ...


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