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Electrical Wire and Cable


Electrical Earth Grounding Methods

How should I install a ground for my electrical service panel? How to Install an Earth Ground System for a Home Electrical Panel.

Electrical System Grounding
Electrical Question: How should I install a ground for my electrical service panel?

This electrical question came from: Larry, a Homeowner from Redlands, California.

Dave’s Reply:

Thanks for your electrical question Larry.

Earth Grounding Using Ground Rods

Application: Grounding an Electric Service Panel.
Skill Level: Advanced. This electrical wiring project is best performed by a Licensed Electrical Contractor or Certified Electrician.
Tools Required: Electricians Pouch of Hand Tools.
Estimated Time: Depends on the extent of the project, the grounding method to be used and available access to the project area.
Precaution: If the only ground source for the electrical system will be removed or modified then the electrical service should be shut off until the new ground source can be reconnected. Working in an electric panel is dangerous due to arc flash hazards and the possibility of electric shock.
Notice: Making changes to the Electrical Service Panel should be done according to local and national electrical codes with a permit and be inspected.

How to Install an Earth Ground System for a Home Electrical Panel

Earth Electrical Grounding Methods

Electrical Grounding System Design

More about Earth Grounding and Bonded Ground Systems

Electrical Grounding
Electrical Grounding Methods and Requirements

Electrical Grounding Methods and Requirements

Listing of electrical codes for grounding with examples of electrical grounding codes for home electrical wiring.

Electrical Grounding Methods and Requirements

electrical-wiring-code

More about Electrical Codes For Home Wiring


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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, Handywomen, and Electricians
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.

Question of the Day

Wiring a Switch for an Air Compressor

Wayne asks:
I am wiring my 240volt air compressor using 10/3 to a lighted 30 amp switch to place by exit door to turn off when im away.
My question is: when I wire the switch I will have essentially two hots, do I place both the black and red on one screw and the black and red on the other?
Also its the lighted Leviton 3032-plr, a lot of the comments say I need to use the neutral to operate the light.
I dont know what to do with that.
Thanks for your help.

Dave's Reply:


Wayne, The Leviton 3032-plr switch that you have described is for 120volt applications and will not work on a 240volt circuit.
A typical 240 volt air compressor requires two hots and a ground wire.
A neutral wire is not required.
A 120volt lighted control switch could be wired as an add on control circuit, however this would require a separate 120volt control circuit, a 120volt lighted switch, and a 120volt control relay with 240volt contacts rated for 30amps.


More articles about Electric Wiring, Ground Rod, Grounding and Home Electrical Wiring:
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