The utility model relates to a sectional type 2M channel test inserts row belongs to electric testing equipment technical field. Technical scheme is: the receiving terminal contains insulating casing (1), red emitting diode (2), green light -emitting diode (3) and DDF siemens butt joint first (4), red emitting diode (2), green light -emitting diode (3) alternate setting, interconnect with DDF siemens's butt joint first (4) respectively, the quantity phase -match, the transmitting terminal contains DDF siemens butt joint no. 2, insulating battery case (5) and two put switch (6), insulating battery case (5) are equipped with the battery that two sections reversion placed, two put switch (6) set up between two economize on electricity ponds, interconnect with odd number position DDF siemens butt joint no. 2 and the butt joint no. 2 of even number position DDF siemens respectively. The utility model has the characteristics of plug -and -play, the effect is directly perceived, the test is convenient, can carry out the lot number and join in marriage the test, reduce to count and joined in marriage workload of measurement, practice thrift fatigue power costs.