| 307 / | HD | ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS |
| 9.1 | DF | VEHICLE MOUNTED SYSTEMS {1} |
| 10.1 | ![]() | .~ Automobile {4} |
| 10.2 | DF | .~.~> Antitheft {1} |
| 10.6 | DF | .~.~> Ignition or starter circuits |
| 10.7 | DF | .~.~> Battery protection |
| 10.8 | DF | .~.~> Lighting circuits |