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What Size Wire for a House Electrical Panel


By Dave Rongey - Summary:

Long Distance Underground Electrical Services Require Considerations

Long Distance Electrical Services Require Considerations

Question: I Purchased property with existing 200 amp meter main underground fed pedestal. Pedestal is approximately 150 ft from pole mounted transformer (which has been removed from pole who knows when because the pedestal was never energized). There are no buildings on the property. My question is: Where I want to located my house will be another 275 feet from the pedestal and the house will be approximately 2000 sq feet, all electric with 200 amp panel. What size wire should I run from pedestal to house given that distance? The ground is extremely rocky and I don’t know yet if I will need to run conduit for protection of wire. (I have a call into the local inspector). I will be running aluminum wire. Also, do I need to run a ground wire along with the feeder wires, or can I drive ground rods at the house?

This electrical question came from: Dave, a Homeowner from Hamilton Montana
See more about Home Wiring for Montana

Dave’s Reply:
Thanks for your electrical question Dave.
Dave, based on my experiences with projects just like this, my suggestion is to have the primary (high voltage) electrical service brought as close to the home as possible. This will avoid having to deal with voltage drop and tens of thousands of dollars to install an over sized underground secondary service to the home.

The Following links will assist you with your electrical question:

electric panel
home-electrical-circuits
House Wiring Circuits and Circuit Breakers
This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.

electrical wire
electrical-wire
Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.

For more information about 220 Volt Wiring Diagram
220 Volt Wiring Diagram
220 Volt Wiring Diagram
Wiring 220 Volt Electrical Outlet
Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home. See how electrical outlets for the home are wired.

This link is helpful as a Homeowner
Do-It-Yourself Electrical



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Wiring GFCI Outlets
Wiring Home Electrical Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
....and much more.

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