| 315 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS |
| 200 R | DF | DISCHARGE DEVICE AND/OR RECTIFIER IN THE SUPPLY CIRCUIT {7} |
| 202 | ![]() | .~ Plural cathode and/or anode discharge device load {1} |
| 203 | DF | .~.~> Discharge device or rectifier in the auxiliary starting electrode circuit {1} |