3357  Drawing and Insulating of Nonferrous Wire
Establishments primarily engaged in drawing, drawing and insulating, and
insulating wire and cable of nonferrous metals from purchased wire bars,
rods, or wire. Also included are establishments primarily engaged in
manufacturing insulated fiber optic cable. Establishments primarily engaged
in manufacturing glass fiber optic materials are classified in industry
3229, and those manufacturing fabricated wire products from purchased wire
are classified in industry 3496.