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How to Install Wire for an Outbuilding

Installing Electric Wiring for an Outbuilding: How to Size and Calculate an Electric Panel for an Outbuilding, Online Electrical Load Calculator and Voltage Drop Calculator.


Electric Wiring for an Outbuilding
Electrical Question #1 I want to run a wire from my cottage out to a 9 x 12 outbuilding with a bedroom.

I intend on having probably 4 plugs, one outdoor light, and a ceiling fan and light. I would like to run a 1500 watt  space heater (approximate size) from one of the plugs periodically. The main electrical line needs to run about 100 yards out from the cottage and the main electric service panel. How many amps would I need on that circuit and do I need to run thicker wire to run that far?

This home electrical wiring question came from John in Canada.

Electrical Question #2

This electrical wiring question came from Johnny, a Homeowner in Kinder, Louisiana.

Dave’s Reply:
Thanks for your electric wiring questions.

John, the electrical circuits for an outbuilding must be carefully planned out so all of the wiring will be correctly identified and installed to make your outbuilding project is safe and according to code. This information will help you prepare for your outbuilding project.

Preparations for Wiring an Outbuilding

How to Size an Electric Panel for an Outbuilding

IMPORTANT: If the electrical circuits for the outbuilding have not been well planned and installed correctly using the right methods and materials then the circuit will be vulnerable to breakdown and damage.

More about Electrical Wiring for a Outbuilding

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FAQs Frequently Asked Questions and Comments

One Response to “How to Install Wire for an Outbuilding”
  1. roger durre says:

    Can I run 2 wires for a 220 volt service using a ground rod for the common and the ground?

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