Appleton 25A2F0755 A2F Series Cable Gland Connector, Size: 3/4" (25), Conductor Range: 0.44 - 0.79", Material: Brass, Finish: Nickel Plated, Enclosure: IP66, IP68, Connection: NPT, Dimensions: 1.42" Across Flat X 1.54" Across Corner X 1.61"; Zones 1 And 2, Gas-ATEX/IEC Protection: Ex d IIC, Ex e II, Ex nR II, Zones 21 and 22, Dust-Conforming to ATEX 94/9/CE: CE 0081 II 2 D-ATEX/IEC Protection: Ex tD A21, Conforming To ATEX 94/9/CE: II 2 GD, CE Declaration Of Conformity: DC07001, ATEX Certificate: SIRA 06 ATEX 1097X, IECEx Certificate: IECEx SIR 06.0043X, CSA 101909, C22.2 No. 174, CAN/CSA E60079-0, CAN/CSA E60079-1, CAN/CSA E60079-7, GOST, Lloyds, DNV, ABS Certified, IEC Standards Latest Editions: 60079-0, 60079-1, 60079-7, 60079-15, 61241-0, 61241-1, BS 6121, NF E 03 601 (Conical Thread), ISO 065/I/III (Metric Thread).