Copper Compression H Tap, Tin Plated, Accommoding the following wire sizes - Run (Main): 500 KCMIL-4/0 AWG Class B,C, 373 KCMIL-4/0 AWG DLO, 350 KCMIL-4/0 AWG CLASS I, 4/0 AWG CLASS K, Tap 1: 250 KCMIL-1/0 AWG Class B,C, 4/0 AWG-1/0 AWG Class I, DLO, 4/0 AWG Class K, Tap 2: 1 AWG-6 AWG Class B,C, 1 AWG-8 AWG Class I, DLO, 8 AWG Class K, Tap 3: 8 AWG-14 AWG Class B,C, 8 AWG-14 AWG Class I, 8 AWG Class K, kitted with black cover. See sale drawing for metric wire size accommodates