AWG 34 Wire

Diameter 0.0063″
Millimeters 0.160 mm
Cross-section 40 cmil
mm² 0.0201

Nominal bare-conductor dimensions per ASTM B258. AWG is geometric: d = 0.005 × 92(36−n)/39 in with n = 34; area is derived from the diameter. Ampacity depends on insulation, bundling, and the electrical code in force — it is a property of the installation, not the gauge.

Neighboring gauges

AWG Diameter mm vs AWG 34
32 0.0080″ 0.203 +0.0017″
33 0.0071″ 0.180 +0.0008″
34 0.0063″ 0.160
35 0.0056″ 0.142 −0.0007″
36 0.0050″ 0.127 −0.0013″
Data provenance. ASTM B258, Standard Specification for Nominal Diameters of AWG Sizes (ASTM International). See all data sources.