Basis : NEMA MW 1000-2003 SWG Sizes

Nominal
Conductor
Diameter
Size
Conductor
Tolerance
Minimum Increase due to insulation Maximum Overall Diameter
Grade1 Grade2 Grade3 Grade1 Grade2 Grade3
SWG (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
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Note:

  • For intermediate nominal diameters the min. increase figure corresponding to the next larger dia. shall be taken.