Socapex 19-pin (SOCA) is a theatrical lighting multicore connector carrying 6 separate dimmer circuits (6x20A) in one heavy-duty connector. Widely used in stage rigging, film, and TV studio lighting.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | L1 | Circuit 1 live | PWR |
| 2 | L2 | Circuit 2 live | PWR |
| 3 | L3 | Circuit 3 live | PWR |
| 4 | L4 | Circuit 4 live | PWR |
| 5 | L5 | Circuit 5 live | PWR |
| 6 | L6 | Circuit 6 live | PWR |
| 7 | N1 | Circuit 1 neutral | PWR |
| 8 | N2 | Circuit 2 neutral | PWR |
| 9 | N3 | Circuit 3 neutral | PWR |
| 10 | N4 | Circuit 4 neutral | PWR |
| 11 | N5 | Circuit 5 neutral | PWR |
| 12 | N6 | Circuit 6 neutral | PWR |
| 13 | E1 | Earth circuit 1 | GND |
| 14 | E2 | Earth circuit 2 | GND |
| 15 | E3 | Earth circuit 3 | GND |
| 16 | E4 | Earth circuit 4 | GND |
| 17 | E5 | Earth circuit 5 | GND |
| 18 | E6 | Earth circuit 6 | GND |
| 19 | E | Main earth | GND |