| Description | File |
|---|---|
| Simplest Two-Position | Download Print SES-81 |
| Simplest Three-Position | Download Print SES-82 |
| Simplest 3-position wiring with polar relay. | Download Print SES-87 |
| Simplest "Slot-on-Line" (using 2-position wiring) | Download Print SES-40 |
| Simplest "Slot-on-Line" in 3-position wiring using polar relay | Download Print SES-37 |
| Simplest wiring with HC-33 Marker Light on signal | Download Print SES-37E |
| Signal with HC-33 Marker Light using 3-wire circuit | Download Print SES-37B |
| Signal with additional restrictive relay, "Slot-on-Line," 3-wire circuit | Download Print SES-37A |
| Signal with additional restrictive relay, "Slot-on-Line," 3-wire circuit | Download Print SES-37C |
| Signal with additional restrictive relay, "Slot-on-Line" | Download Print SES-37D |
| "Slot-on-Line" using polar relay and extra contacts for 2-position | Download Print SES-80 |
| Polar relay with "Slot-on-Line," traffic stick relay | Download Print SES-86 |
| Signal with additional restrictive relay, 3-wire circuit | Download Print SES-87A |
| Simplest 3-position with additional restrictive relay | Download Print SES-87D |