ask the electrician
Electrician Training Electrical Certification wiring recessed light fixtures Electrical Wiring Electrical Troubleshooting and Electrical Repairs wire outdoor light fixture Home Electrical Wiring Diagrams
wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet Wiring and Installing Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
Electrical Wire and Cable

How to Size a Generator For Your Home

I’m trying to learn about home generator systems for an off the grid cabin, How many watts do I need from a generator? How to Size a Generator for an Off Grid Power System.

Electrical Wiring Video

How to Wire a GFCI Outlet without a Ground Wire

NOTE: A List of All my Helpful Videos

Will Display at the End of This Video

So Keep Watching So I Can Help You Wire it Right!

Check out my YouTube Channel, and Subscribe!

Home Generator for Backup or Off Grid Power
Electrical Question: I’m trying to learn about home generator systems for an off the grid cabin.

How many watts do I need from a generator?

The cabin is small 24 x 36.

I also plan to use tankless Hot water heater from LP as well as gas stove for cooking.

This electrical question came from: Jace, a Homeowner from Denver, Colorado.
See more about Home Wiring for Colorado

Dave’s Reply:
Thanks for your electrical question Jace.

Application: Off Grid Generator Project.
Skill Level: Intermediate to  Advanced РBest performed by a Licensed Electrical Contractor.
Tools Required Electricians pouch of hand tools and the various power tools necessary for installing the generator and transfer switch.
Estimated Time Depends on the type and size of the generator and transfer switch and the available access to the project area.
Precaution Any existing electrical wiring within the immediate area that may interfere with the installation of the transfer switch may need to be relocated if necessary.
Important Installing a generator and transfer switch must be well thought out and performed with a permit with all work being inspected.

How to Size a Generator for an Off Grid Power System

NOTE: The size of the generator will depend on the electrical devices that will be connected to the generator system.

The electrical load information is vital for selecting the right size and type home generator to ensure the performance of the generator will be sufficient for the electrical loads that will be required.

Generator Transfer Switch and Circuit Panel

The amperage rating of the transfer switch, and circuit capacity of the electrical distribution panel is based upon the connected load as described above.

More about Home Generators

The resources below will lead you to more expanded information that will help you with all the key factors to consider along with free information you can use to help you select the right generator to purchase for your home.

Home Generators
Home Generators
This series covers a wide variety of topics all about home generators including sizing, selecting, connecting and safely operating this all important addition to your home.

Electric panel
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 plan

Basic Home Wiring Diagrams

The following may also be helpful for you:

Electrical Wiring Video #2

Home Electrical Wiring Videos about this Topic and More

Check out my YouTube Channel, and Subscribe!

Learn more with my Home Electrical Video Course:

Basic Home Electrical Wiring by Example

Dave's Guide to Home Electrical Wiring:

» You Can Avoid Costly Mistakes! «

Here's How to Do It:
Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring Project.
  electrical wiring  

Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handy Women, and Electricians
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
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
NEC Codes for Home Electrical Wiring
....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

More articles about Electrical, Generator Sizing and Home Electrical Wiring:
« Previous Next »
Hot Tub Circuit Wiring Installing a Switch Shorts a Wire and Trips Off The House