Attributes . Appleton STNM Series Straight Liquidtight Connector, Size: 1-1/2 IN, Material: Steel, Insulation: Insulated Throat, Dimensions: 3.44 IN Length X 2.78 IN Height, Thread Length: 3/4 IN, Standard: Class I, Division 2, UL 514B, E14814, CSA C22.2 No. . Names