SYSTEM OF ELECTRICAL CONNECTION OF DOMESTIC APPLIANCES WITH MAIN-LINE CUTTING-IN AND ELECTRIC INSULATING CONNECTING INSERT FOR IT Russian patent published in 1998 - IPC

FIELD: electrical engineering; medical and domestic equipment. SUBSTANCE: system has electric and mechanical assembly of domestic appliance with three lead-ins. First and second lead-ins are connected to phase and neutral wires of electric domestic mains. Third lead-in is connected to neutral wire through domestic appliance body. Connecting electric insulating insert consisting of two flanges is positioned at point of cutting into main pipe line. Hollow electric insulating member which contains dielectric is positioned between flanges and press-fitted to the latter. Length of electric insulating member is not less than length of dielectric breakdown area at voltage of at least 3750 V and frequency of 50 Hz. EFFECT: more effective connection system. 7 cl, 4 dwg