Emt Couplings, Etp Compression, Series: 6000US, Material: Steel/Zinc Plated, Trade Size: 1, Body Length: 1.41", Maximum Diameter: 1.50", 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