| 320 / | HD | ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING |
| FOR 101 | DF | BATTERY CHARGING AND/OR DISCHARGING (320/2) {15} |
| FOR 129 | DF | .~ Control responsive to predetermined conditions (320/30) {7} |
| FOR 140 | DF | .~.~ Speed or centrifugal forces (320/41) {1} |
| FOR 141 | ![]() | .~.~.~ For battery circuit-making and/or breaking (320/42) |