Bright wire
- What qualifies
- Wire, wire rod, stranded conductors, braids and ropes. Grades M1, M0.
- Requirements
- Non-oxidised copper with a bright surface, no heat tint. No insulation residue, tinning, solder, oil, grease, enamel or paint. No contacts or other attachments of other metals, no weld residue. Thickness at least 1 mm. Tight coils that cannot be inspected are not accepted.