| 摘要 |
<p>PURPOSE:To easily, efficiently, certainly and safely perform the replacing work of an electric energy meter in a power failure free state without taking much labor and bringing about erroneous connection or a short-circuit. CONSTITUTION:The electric wire pulling-out preventing member 9 sliding along the holes 10 formed to both side wall parts of electric wire engaging parts 7a-7c, 8a-8c to open and close the opening parts of the engaging parts and holding respective electric wires 3a-3c, 4a-4c so as to prevent the pulling-out thereof in a closed posture is provided on the side of the opening parts of the electric wire engaging parts. Further, conductive clamping screw members 13a-13c, 14a-14c rupturing the coatings of the electric wires 3a-3c, 4a-4c inserted in and engaged with the respective engaging parts 7a-7c, 8a-8c accompanied by spiral advance by the blade parts provided to the leading ends thereof to be electrically connected to the electric wires and a plurality of the conductors 15A-15C electrically connecting the screw members corresponding on a power supply side and a load side are provided.</p> |
