230 volt question

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Duke76

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I have a 230 volt irrigation pump located on a floating dock on a man-made lake subject to Army Corps of Engineers regulations. Power is supplied from the house to a power pole located on the lakeshore. the pump is wired to the peer pole with a breakaway plug. All has been installed by an electrician. As the lake level drops the dock is pushed further out to the point that I have cannot push it out any further without disconnecting the pump.

Is a 230 volt "extension cord" an option or would it be too dangerous given the voltage involved ? I can't find any on the Internet so that may be a cle but I thought I'd ask.

Thank you.
 

Alectrician

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Is a 230 volt "extension cord" an option or would it be too dangerous given the voltage involved ?

A 230V cord wouldn't be any different than a 120V cord. You would likely have to make one by installing the appropriate cord caps.

The connections on an extension cord would be very vulnerable to moisture/water. They would be laying on the ground I presume.

You might want to conside putting a new, longer cord on the pump.

I have no idea what the legal limits on something like that would be.
 

Duke76

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Thanks for the responses.

I want to add about 50' of wire. After thinking about some more it is probably best to disconnect the existing wire and put a watertight junction box under the gangway. I can add new wire from the junction box to the pump and have the connection made permanently in the junction box.
 

Must58GT

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Irrigation pump on an extension cord?

Stay away from household/shop extension cords. Use Romex for underground applications or single strand wire and plastic conduit. The wire needs to be rated for the current load (surge/continuous) of the irrigation pump and distance (voltage drop). This website contains a handy reference for wire gauge and load current. And, make sure the circuit is connected to a ground fault circuit breaker in your house. For any outside wiring, especially near water, you don't want to expose yourself or others to an unprotected circuit.
 
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