ASTM B-230, B-231, B-232 and B-399 ,ICEA S-61-402 and S-66-524 Standard
Covered line Wire is used primarily for overhead secondary distribution lines. It is not an electrically insulated conductor and is treated as bare conductor when installed. The code words as given apply to conventional polyethylene line wire.
The conductors are 1350-H19 aluminum ,6201-T81 Aluminum Alloy , or ACSR conductors, concentrically stranded and covered for weather proofing with polyethylene, high density polyethylene(HD) or crosslinked polyethylene(XLPE).