รายละเอียด: Class I, Div. 1 & 2, Groups A, B, C, D Class II, Div. 1, Groups E, F, G Class I, Div. 1 & 2, Groups A, B, C, D Class II, Div. 1, Groups E, F, G To change direction in threaded rigid conduit by 45º or 90º Strong and compact with a smooth interior