Well Pump Electrical Code

Three pumps of a pump station 30 10 and 1 horsepower are connected to the power source of 460 volts 3 phase.

Well pump electrical code.

Nec 250 112 m requires that where a submersible pump is used in a metal well casing the metal well casing shall be bonded to the equipment grounding bonding conductor of the circuit that supplies the submersible pump. Refer to the most recent national electric code nec article 250 grounding for additional information. From table 430 150 they draw 40 amps 14 amps and 3 amps respectively. Pump house sub panel the sub panel service should be larger that the required circuit for the well pump.

To find information on your state or other states use the searchable database below. However when it comes to water supply safety and ground water protection most water well related work is best left to professionals. Well regulationsthis article written by the american ground water trust was originally published in the american well owner 2001 number 3 regulations relating to home well constructiondo it yourself is a good maxim for self reliance. Installing well pump circuit wiring if a circuit is being installed out to a remote well pump especially if there will be a pump house i would encourage you to install a sub panel with a 4 wire service.

Support the suction pipe so its weight is not carried by the pump. Included in the database is state specific information on various codes related to well construction and siting. The figure we would plug into the calculator would be. The 240 volt pump circuit to your well pump does not have a neutral so you cannot get 120 volts without doing something that would be unsafe.

The local electrical code. Electrical tips for wiring a well pump. The state well codes database stores state standards for the construction of private water wells. Installation should include a foot valve in the well or a check valve close to the pump.

Dedicated circuit for well pumps. 40 x 1 25 14 3 50 14 3 67 amps. The code also requires gfci protection for luminaries lighting outlets circulation and sanitation system equipment and pump motor receptacles located near swimming pools. Conductors sharing a neutral.

If the distance from the. All wiring should be done by a qualified electrician. Per 680 22 a 5 all 125v receptacles located within 6 m 20 ft of the walls of a pool or fountain must be protected by a gfci. Hp w 1φ 1 2 1900 3 4 2210 1 3010 shallow well installation connect pump to well as shown in figure 1.

The national electric code has another definition for damp locations that is more subjective but if you think the receptacle is going to get wet use an in use. The national electric code nec 250 43 requires a separate ground wire be run down the well to the submersible pump and connected to all exposed metal parts of the pump and motor.