When installing modular penetrations, the following is prohibited

Testing penetration components for breakage (e.g., by applying strong bending force).

Displacing the bases and inserts of the transit module relative to each other.

Crimping a cable (or pipe) with a non-circular cross-section, for example a flat cable.

Installing the HTM-OP base plate directly onto the mounting frame (metal to metal).

Displacing transit modules beyond the stop lug of the HTM-OP base plates.

Installing modules in mounting frames without separating the rows of modules with HTM-OP base plates.