The ASTM is an organization which develops voluntary consensus standards for materials and material testing. The standards, written by professionals from a wide variety of industries, are recognized nationwide as the preferred materials-testing procedures.
ASTM Manufacturing Specifications in General Use by the Manufacturers of Electrical Wires and Cables:
| B1 | Hard drawn copper wire | B246 | Tinned hard drawn and medium hard drawn copper wire |
| B3 | Soft or annealed copper wire | B262 | Three quarter hard aluminum wire |
| B8 | Concentric-lay, stranded copper conductors | B496 | Compact round concentric-lay stranded copper conductors |
| B33 | Tinned soft or annealed copper wire | B574 | Ozone-resisting insulation for wire and cable |
| B172 | Rope-lay-stranded copper conductors (bunch stranded members) | B734 | Insulated wire and cable: vinyl chloride insulating compound |
| B173 | Rope-lay-stranded copper conductors (concentric-stranded members) | B752 | Heavy duty black neoprene sheath for wire and cable |
| B174 | Bunch stranded copper conductors | B754 | Synthetic rubber insulation for wire and cable, 75°C operation |
| B189 | Lead alloy coated soft copper wire | B1352 | Ozone-resisting butyl rubber insulation for wire and cable |
| B230 | Hard drawn aluminum wire | ||
| B231 | Concentric lay stranded aluminum conductors | ||
| B232 | Concentric-lay stranded aluminum conductors (ACSR) |