- Power, distribution and specialty transformers (1)
- Switchgear and switchboard apparatus (3)
- Motors and generators (2)
- Relays and industrial controls (2)
- Electric housewares and fans (1)
- Noncurrent-carrying wiring devices (1)
- Commercial lighting fixtures (1)
- Lighting equipment, nec (1)
- Household audio and video equipment (1)
- Prerecorded records and tapes (1)
- Telephone and telegraph apparatus (2)
- Radio and t.v. communications equipment (4)
- Semiconductors and related devices (3)
- Electronic components, nec (5)
- Electrical equipment and supplies, nec (4)