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Old 03-20-2008, 06:44 PM   #1
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wiring a water well

what type of wire should i use to run from the fuse box, about 5 feet, to my gould's above ground shallow well jet pump (JS Plus) that supplies water to my house? i want to replace the 45 year old wire that is currently there. it is half horse power and my electrical amperage is 120v. it is in a pit in the ground, but it is protected from the weather by a hatch.

thank you!!


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Old 03-20-2008, 06:54 PM   #2
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Originally Posted by baileyboo View Post
wit is half horse power and my electrical amperage is 120v.
NO, your "electrical amperage" is not 120v.

Let's start with the basics:
What is the amperage of the motor?
What is the voltage of the motor?


Sometimes I feel like if I answer any more questions it is like someone trying to climb over a fence to jump off a bridge and me giving them a boost.
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Old 03-20-2008, 08:18 PM   #3
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C'est simple if your motor have nameplate info use that info for getting the correct wire size and voltage connection and how far it away from main breaker box ??

we are instering with the motor amp , motor voltage supply , distance from main breaker box to the motor itself [ the distance will really count here ]

Merci , Marc
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Old 03-21-2008, 04:09 PM   #4
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one HP = 746 watts (approx)
half HP= 375 watts (rounding)

Current (amperage ) = 375 / 120 volts = less than 4 amps

Motors vary but this calculation is close enough

You state distance is short

Use 14-2 UF cable (due to wet location)

Based on your misuse of terms, I assume you are a novice, I suggest you hire some one who is knows what is required
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