This U.S. industry comprises establishments primarily engaged in manufacturing switchgear and switchboard apparatus.

Cross-References. Establishments primarily engaged in--

Manufacturing relays--are classified in U.S. Industry 335314, Relay and Industrial Control Manufacturing;

Manufacturing switches for electronic applications--are classified in U.S. Industry 334419, Other Electronic Component Manufacturing; and

Manufacturing snap, pushbutton, and similar switches for electrical circuits--are classified in U.S. Industry 335931, Current-Carrying Wiring Device Manufacturing.