- Electronic generation equipment (10)
- Battery chargers, rectifying or nonrotating (1)
- Inverters, nonrotating: electrical (1)
- Mercury arc rectifiers (electrical apparatus) (1)
- Power conversion units, a.c. to d.c.: static-electric (2)
- Rectifiers (electrical apparatus) (1)
- Capacitors and condensers (1)
- Capacitors, a.c., for motors or fluorescent lamp ballasts (1)
- Capacitors, fixed or variable (1)
- Blasting machines, electrical (1)
- Static elimination equipment, industrial (2)
