![Locking and Marking](https://eccco.com/wp-content/uploads/2019/09/Locking-and-Marking-300x242.jpg)
ECC can create test fixtures that will lock a connector in fixture to prevent the operator from removing a bad harness from the board. This can be done with a pneumatic cylinder of electric solenoid. These devices are typically interfaced to a circuit analyzer and programmed to release the connector only upon a successful test. Similarly, a marking device (typically a scribe) can also be incorporated which will etch a small circle in the housing of the connector upon a successful test.
![Locking and Marking 1](https://eccco.com/wp-content/uploads/2019/08/Locking-and-Marking-1-139x300.jpg)