This industry comprises establishments primarily engaged in manufacturing electrical equipment (except electric lighting equipment, household-type appliances, transformers, motors, generators, switchgear, relays, industrial controls, batteries, communication and energy wire and cable, and wiring devices). Illustrative Examples: Carbon and graphite electrodes and brushes manufacturing Door opening and closing devices, electrical, manufacturing Extension cords made from purchased insulated wire Surge suppressors manufacturing Cross-References. Establishments primarily engaged in--