WATT-HOUR METER

摘要

PROBLEM TO BE SOLVED: To provide a method for facilitating mounting work of a cover to a watt-hour meter.SOLUTION: A body part terminal part shared cover 2 of a watt-hour meter is moved in a direction to a watt-hour meter terminal part 12 from a watt-hour meter body part 11, and a snap fit engagement part 12sf is operated by deflection of a flexible arm part 24, to prevent movement of the body part terminal part shared cover 2 of a watt-hour meter in a direction from the watt-hour meter body part 11 to the watt-hour meter terminal part 12 and in a reverse direction. A first cover side engagement part 231 of a first engagement part 121e engages with a first base side engagement part 131 of the first engagement part 121e to prevent detachment of the first engagement part 121e from a watt-hour meter base part 1 of the body part terminal part shared cover 2 of the watt-hour meter body part to the front face side. A second cover side engagement part 241 of a second engagement part 122e engages with a second base side engagement part 132 of the second engagement part 122e to prevent detachment of the body part terminal part shared cover 2 of the watt-hour meter body part of the second engagement part 122e from the watt-hour meter base part 1 to the front surface side.