H - Electricity – 02 – H
Patent
H - Electricity
02
H
348/43, 324/58.3
H02H 3/14 (2006.01) H02H 1/04 (2006.01) H02H 3/16 (2006.01)
Patent
CA 1299723
ABSTRACT OF THE DISCLOSURE In an electrical appliance having an electrically conducting housing, defective grounding of the housing may result in a dangerous situation for the user. To prevent such a dangerous situation, the appliance, also having an internal, load circuit, is provided with a safety connector device, which connector device comprises an electric plug having two power contacts through which the load circuit is energized, and two auxiliary contacts. The two latter, auxiliary contacts are respectively connected to two sepa- rate points of the housing so that they are interconnected together through an interconnecting circuit including the electrically conducting housing of the appliance. One of the two auxiliary contacts is connectable to a ground for grounding the housing whereby a disconnection of the ground from the housing can be detected by sensing a discontinuity in the interconnecting circuit. - 25 -
555485
Dufresne Jacques
Robic
LandOfFree
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