What are the problems that need to be confirmed when installing the connector of the hand switch

Many purchases of our hand switches require them to install connectors, and the crystal connectors of hand switches are more commonly used. When installing the crystal, in order to be able to match the X-ray machine, we will confirm to the customer one is the model of the crystal connector, because there are many types of crystal connectors, the engineer must know the exact model to install the correct one, and the second is to determine the hand switch In order to arrange the cables in the order, different wires will control the different gears of the hand switch to avoid wrong connection. It is best for the customer to provide an accurate wiring diagram of the hand switch.