Do you need a ground wire for a submersible well pump?

Any “contemporary-world” pump motor has moreover a ground bolt or ground wire. We all recognize that motors must be grounded, but several do not distinguish why need a ground wire for a submersible well pump.

Grounding is used for the safety of anybody who might come into interaction with the motor or piping that is involved. However always keep in mind that while a pump might be linked to a plastic pipe that does not convey current, the liquid inside can very probably carry current.

Ground wires turn as a conductor to the ground (literally) — a somewhat stray current that escapes a motor due to a failure of the manufacturer’s built-in insulation.


Novel and re-wound motors are verified to be indisputable they have no current leakage before being sent to any installers and end workers. If this insulation might never be broken down as is the situation of power flows, high heat, overloaded motors, and so on, there would no necessity to be any grounding. Though, this is not the situation. Nature, the elderly, and the altering circumstances of a facility all lead to ultimate insulation failure.

So, what kind of good grounding system? As stated, the former, the stray current desires to get to the ground. A ground wire approaching from the motor wants to be bigsufficient to transfer current from the motor to the dirt at a point where the earth is appropriate to fascinate it. It had better go deep enough to interaction moist soil since very dry soil every so often does not entice electrical current.

In accumulation to the earth, the ground wire at nearly point mustlikewise be linked to the ground well-appointed by the power source of the electric company. The ground is always brought into service when power is provided. The electric company has its system grounded to earth throughout the system.

The pump installation should always include a ground wire that feeds all the way back to the point of the electric service entrance. This comprises submersible fine pumps.

Grounding is a safety matter and bidsguard from electric shock or electrocution due to leaking current. Grounding would never be overlooked, and it is incisive to confirm that the ground service transported to the motor is correctly connected as well.

If you are looking for best wires and cable for your residential and industrial use contact Rallison.

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