EMT Couplings, ETP Compression, Series: 6000US, Material: Steel/zinc plated, Trade size: 1/2", Body Length: 1.34", Maximum Diameter: 0.97", UL Standard: 514B, UL Listed: (1/2-3) E14815, CSA Standard: C22.2 No. 18.3, cUL Listed: (1/2-3) E14815, NEMA: FB-1