Solid Bare Copper Wire #18 (.040" / 1.0mm) x 15'

One 15' length of polished electronic-grade, bare copper wire. Solid soft-drawn and annealed.

This wire is available in spools up to 5lb (please inquire). We also carry tin-coated copper, enamel-coated winding wire as well as insulated copper wiring in various configurations.

• Material: Copper 99.99%
• Gauge: #18 AWG
• Diameter: .040" ±.0004 (1.02mm ±.010)
• Finish: Mirror-Like
• Length: 15' (5m) min.
• Resistivity: 6.385 Ω/1000' (20.943 Ω/km)
• Max. Current (Chassis Wiring): 16.0A
• Max. Current (Power Transmission): 2.3A
• Max. Frequency: 17kHz (100% skin depth)
• Meets: ASTM B3, QQ-W-343, TYPE S, MIL-W-3861, TYPE S