PROBLEM TO BE SOLVED: To prevent the occurrence of double metering of power consumption, and to facilitate a parallel connection work of a watt-hour meter, by achieving an errorless parallel connection work of the watt-hour meter with a simple structure; and to thereby achieve accurate metering of proper power consumption and facilitate the parallel connection work of the watt-hour meter.;SOLUTION: A connection terminal block 102 of the watt-hour meter 100 interposed between wiring lines 201-203 for supplying the commercial power from a power supply and lead-in wires 204-206 for connecting to a load device consuming the commercial power, for integrating the power consumption, includes a power supply side input terminal 111 (111a, 111b) for connecting wiring lines 201, 401 to watt-hour meters 100, 300 respectively, and a power supply side input terminal 113 (113a, 113b) for connecting wiring lines 203, 402.;COPYRIGHT: (C)2009,JPO&INPIT
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