In most cases if the leads are the same color then the polarity does not matter but check this with the installation sheet and wiring diagram. Jet pumps are mounted above the well either in the home or in a well house and draw the water up from the well through suction see single drop jet pump system diagram on next page.

3 Phase Pressure Switch Wiring Diagram Diagram Base Website
Well pump electrical diagram. A wiring diagram is a streamlined standard pictorial depiction of an electric circuit. Three wire submersible well pump typical installation. It shows the components of the circuit as simplified forms and the power as well as signal connections between the gadgets. If the conduit runs into a control box before continuing to the water pressure switch chances are you have a three wire pump. Ultimately using some simple electrical tests the homeowner traced the water pump problems to a nicked well pump wiring circuit wire. Well pump wiring diagnosis repair.
This article describes troubleshooting a submersible well pump that was causing tripped circuit breakers and that pumped water only at a slow reduced rate and pressure. Assortment of submersible pump wiring diagram. Failure to install in compliance with local and national codes and manufacturers recommendations may result in electrical shock fire hazard unsatisfactory performance and equipment failure. Submersible well pump accessories installation diagram. All well pumps come with a wiring diagram which provide specific instructions for your specific pump. A submersible pump can be either two or three wire regardless of the voltage coming from the panel so start at your pump and follow the conduit back.