| 2/00 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 |
| 2/02 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Mountings |
| 2/04 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Mountings specially adapted for mounting on a chassis |
| 2/06 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Mountings specially adapted for mounting on a printed-circuit support |
| 2/08 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Cooling arrangements; Heating arrangements; Ventilating arrangements |
| 2/10 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Housing; Encapsulation |
| 2/12 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Protection against corrosion (H01G 2/1 takes precedence) |
| 2/14 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Protection against electric or thermal overload (by cooling H01G 2/08) |
| 2/16 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Protection against electric or thermal overload (by cooling H01G 2/08) with fusing elements |
| 2/18 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Protection against electric or thermal overload (by cooling H01G 2/08) with breakable contacts |
| 2/20 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Arrangements for preventing discharge from edges of electrodes |
| 2/22 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Electrostatic or magnetic shielding |
| 2/24 | Details applicable to more than one of groups H01G 4/00-H01G 9/00 Distinguishing marks, e.g. colour coding |
| 4/00 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) |
| 4/002 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details |
| 4/005 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details Electrodes |
| 4/008 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details Electrodes Selection of materials |
| 4/01 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details Electrodes Form of self-supporting electrodes |
| 4/012 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details Electrodes Form of non-self-supporting electrodes |
| 4/015 | Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G 9/00) Details Electrodes Special provisions for self-healing |