During these tests, shutters shall be held open.

The gauge shall be wiped free from grease before use

The gauge C2 shall enter the socket-contact assembly pushed with a maximum force of 50 N perpendicular to the engagement face of the socket-outlet, after which the gauge C2 shall not fall-out from the socket-contact assembly under its own weight, the socket-outlet being placed in the worst position.

Then, the gauge C1 shall enter the socket-contact assembly and shall not fall-out from the socket-contact assembly under its own weight, the socket-outlet being placed in the worst position.

IEC 60906 1 Figure 4