1.1”This specification covers aluminum 1350-O (annealed), 1350-H12 or -H22 (¹/₄”hard), 1350-H14 or -H24 (¹/₂”hard), 1350-H16 or -H26 (³/₄”hard) and 1350-H142 or -H242 (¹/₂”hard), suitable for stranding into conductors or for solid single conductors, either bare or insulated (see Table 1 or Table 2).