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1/22/2020 12:12:56 PM
Posted: 12/30/2006 11:03:26 AM EST
I need to run an electrical line from my barn to the pond.
Will tie in to my fishing pier... plan to run (at most) a mini-fridge, ceiling fan, a couple of 100 watt light bulbs and.... a 10 amp pump for the pond aeration system.

Length of run will be 450 feet from barn to pier. Will encase wire in conduit and bury 18".

What type/gauge wire will I need?

Thanks!
Link Posted: 12/30/2006 11:20:53 AM EST
Buy a small 6-8 circiut 60 amp or 100 nema 3R panel(30-40 bucks) run 6/3with ground and you will be good to go.Put the lights,fridge,pump on breakers in the sun panel.
Link Posted: 12/31/2006 3:17:04 PM EST
Add up the total watts on your circuit. Nameplate of frig and pump should have it. Divide by voltage of circuit. (ex; 120v, or 125v,...)
Watts/volts=Amps
Then go to this handy calculator.

http://www.elec-toolbox.com/calculators/voltdrop.htm

I would recommend compact screw-in flourescent lamps; plenty light with low watt draw. Will probably attract less bugs on the dock, too.

Stay safe.
Link Posted: 1/1/2007 3:32:26 PM EST

Originally Posted By sparkyCG:
Add up the total watts on your circuit. Nameplate of frig and pump should have it. Divide by voltage of circuit. (ex; 120v, or 125v,...)
Watts/volts=Amps
Then go to this handy calculator.

http://www.elec-toolbox.com/calculators/voltdrop.htm

I would recommend compact screw-in flourescent lamps; plenty light with low watt draw. Will probably attract less bugs on the dock, too.

Stay safe.


What my constiuent said, and with much more brevity than I would have.

What he did not mention that I will is that it is always better to oversize any load for future considerations. So, if you find your minimum size wire is a #6 copper AWG, I would install nothing less than #4, and probably #2. You never want to have to pull new feeders because you added stuff to the circuit in the future, such as a 500-watt Metal Hallide outdoor lamp to light the dock. You also need to consider non-connected loads, such as a vacuum cleaner, the margarita blender, or other high-draw appliances that will put a serious drain on a taxed system.

A little more now can save you a lot later. I make a lot of money re-doing things because a homeowner tells me, "Well, I never really thought I'd actually buy that welder, and this wire was cheaper than that wire, and it's all I needed at the time, so..." Then I end up replacing the feeders, sub-panel, and etc. Costs them twice as much more than simply paying a little more for what they didn't really then, but do need or would like to have now. Many times, it's just not thinking ahead for thigs as mentioned above, or a bench grinder, or some similiar device that dims their lights or trips the breaker every time they hit the on the switch and the spike amperes kick in.
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