| 361 / | HD | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| 1 | DF | SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32} |
| 54 | ![]() | .~ Load shunting by fault responsive means (e.g., crowbar circuit) {3} |
| 55 | DF | .~.~> Disconnect after shunting |
| 56 | DF | .~.~> Voltage responsive |
| 57 | DF | .~.~> Current responsive |