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Circuit Breakers and Electrical Wiring Safety

My outlet tester says that that the Hot and Ground are reversed, how can I fix this? Electrical Circuit Outlet Problems and How to Fix Them, Troubleshooting Problems with Outlet Circuit Wiring.

electrical wiring

Guide to Troubleshooting Problems with Outlet Circuit Wiring
Electrical Question: When I plug my outlet tester into my outlets it gives a signal that that the Hot and Ground are reversed.

Can you help? My home was built in the late 1990s.

This electrical question came from: Clay, a Homeowner from Stillwater Minnesota.

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

Problems with Electrical Circuit Wiring and Outlets

Application: Troubleshooting an Outlet Circuit.
Skill Level: Advanced – Best performed by a Licensed Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester or Volt Ohm Meter.
Estimated Time: Depends on the type and age of the electrical wiring and the access to the circuits and wiring to be evaluated.
Precaution: This is a project that should be performed by a Licensed Electrical Contractor and typically requires specific tests of the electrical circuits.
Notice: Repairs to Home Electrical Wiring should be done according to local and national electrical codes and installing new or replacement electrical parts or equipment may require a permit and inspections.

Common Problems with Outlets and How to Fix Them

More about Electrical Troubleshooting Circuit Wiring

Using electrical testers

GFCI Wiring
GFCI Wiring

Electrical Outlet Wiring
Wiring Electrical Outlet for the Home
Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home. See how wiring electrical outlets for the home are done.

Electrical circuit

Circuit breaker

How to Install Laundry Room Electrical Wiring

How to Install Garage 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, Handywomen, 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.

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FAQs Frequently Asked Questions and Comments

5 Responses to “Circuit Breakers and Electrical Wiring Safety”
  1. MIKE says:

    I have two 25k BTU Air Conditioners. Each AC Unit is in two different rooms. I can not run both at once. Is there something I can have done so I can run both at once? Can I switch to 440? Is there a good list of instructions for this you know of?

    • Dave Rongey says:

      Hi Mike,
      Each AC Unit will require it’s own dedicated circuit to avoid tripping the circuit breaker of a shared circuit with other devices. Please consult the equipment specifications label on each AC unit or the installation manuals to identify the required circuit. The specifications will state the required amperage and voltage for each air conditioner which will be essential for installing the proper circuits. Once the required circuits have been installed the AC Units will not trip the circuit breakers.
      I hope this helps you,

  2. Kevin says:

    I renovated my basement 6 years ago (2006) in Massachusetts. I bought my home in 2004 and when I did I had the builder put in rough plumbing for a half bath. Directly behind the toilet (but approximately 1 foot to the right) is where they placed the fuse box. When I finished the basement there was no place to move the box. Is it a code violation to have the box in this half bathroom? There is no way to seperate it from the rest of the room…..especially now that it is completed. I am selling my home and I am thinking about pulling a permit after the fact. I know it can be done. Will they make me remove the bathroom?

    • Dave Rongey says:

      Hi Kevin,
      This is just one of the reasons why I encourage getting a permit and inspections.During the plan check phase it would have been noted that according to NEC Article 230.70(A)(2) and 240.24 Service equipment or other panel boards are not allowed in residential bathrooms.
      Electrical work without a permit such as this will always be a problem if the home is to be sold, and inspections take place. What will be required will be up to your local building department. I have been on jobs where the panel is rotated 180 degrees to face into another room, just a thought.

  3. imran says:

    how to calculate/formula the interrupting capacity of breakers in KA

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