What are the wiring forms of flexible pipes?
In fact, there are two types of wiring here: "continuous" and "non-continuous".
Continuous type: The cable is completely protected in the steel pipe or flexible pipe, and there is no exposed place, and it is not susceptible to mechanical trauma.
Generally, there are two methods:A. Protect the steel pipe→cable lead-in device→instrument equipment inlet, the cable is not exposed。