- Electronic generation equipment (14)
- Battery chargers, rectifying or nonrotating (1)
- Electrochemical generators (fuel cells) (1)
- Mercury arc rectifiers (electrical apparatus) (1)
- Power conversion units, a.c. to d.c.: static-electric (4)
- Capacitors, fixed or variable (1)
- Condensers, fixed or variable (1)
- Condensers, for motors or generators (1)
- Blasting machines, electrical (1)
