Electrical Power for a Garage Panel

I’m running power to my garage from the house, what size cable and breakers would be correct

Electrical Wiring Video How to Wire a GFCI Outlet without a Ground Wire
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Sizing Cable and Breakers for a Garage Electrical Panel

[ad#block]Question: I’m running power to my garages(2)from the house. What size cable and breakers would be correct if I wanted a 100 amps in the garages. The house has 150 amp service.

Dave

This electrical question came from: Dave, from Sykesville, Maryland

See more about Home Wiring for Maryland

Dave’s Reply:
Thanks for your electrical question Dave

The Following links will assist you with your electrical question:

Electrical Wire for the Home

How to Install Garage Electrical Wiring

Garage Electrical Wiring

Fully Explained Photos and Wiring Diagrams for Garage Electrical Wiring with Code Requirements for most new or remodel projects.

The following may also be helpful for you:

Electrical Wiring Video #2

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Complete Guide to Home Electrical Wiring

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Includes:
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.

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Electrical Tips

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The Safest Way to Test Electrical Devices and Identify Electric Wires!
The Non-Contact Electrical Tester

This is a testing tool that is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.

The Quickest Way to Check for Faulty Electrical Wiring!
The Plug-In Outlet Tester

This is great to troubleshoot a problem with outlet circuit wiring, is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect, Very handy and easy to use.

Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!
The Wire Stripper and Wire Cutter

A wire stripping tool used to safely strip electrical wires. This handy tool has multiple uses: The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation. The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets.

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Please Note:
Unless otherwise posted, please refer to the following Guidelines when working on Electrical Projects:

Skill Level:
Intermediate to Advanced - Electrical Repairs and Circuit Wiring is Best Performed by a Certified Electrician or Licensed Electrical Contractor.

Electrical Tools Required:
Basic Electricians Pouch of Hand Tools, a Voltage Tester and a Multi Meter.

Estimated Time:
Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area.

Precaution:
Identify the project circuit, turn it OFF and Tag it with a Note before working with the wiring.

Important:
Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.