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

When Aluminum Wiring Becomes a Real Fire Hazard

By Dave Rongey - Summary:

The Dangers of Aluminum Wiring and an Incorrect Circuit Breaker Size Can Lead to a Fire Hazard.

Overloading Aluminum Wiring Can Lead to a Fire Hazard

Electrical  Question: Can you replace a 15 amp circuit breaker with a 20 amp circuit breaker if the wire is 12 gauge and it’s protected by a 15 amp fuse at the load?

This home electrical repairs question came from: Bob, from San Ramon, California.

See more about Home Electrical Repairs for California

Dave’s Reply:
Thanks for your electrical troubleshooting question Bob.

The Dangers of Aluminum Wiring

Incorrect Circuit Breaker Size Can Lead to a Fire Hazard

More about Home Electrical Wiring

Electrical Circuit Wiring
Circuit Wiring

Identifying 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.

Home Electrical Circuit Breakers

A guide to home electrical circuit breakers and how they work to protect your electrical wiring. When properly installed, your home electrical wiring is protected by a circuit protection device.

Guide to Home Electrical Wire

Electrical Wire for the Home

Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.

Repairing Electrical Wiring
Repairing Electrical Wiring

Repairing Electrical Wiring

Electrical Splices – Part 1 – Emergency electrical wiring repairs should be made using the right materials for your particular application. Here are a few choices to help you decide what you’ll need.

Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Wiring GFCI Outlets
Wiring Home Electrical Circuits
120 Volt and 240 Volt Outlet Circuits
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
Electrical Codes for Home Electrical Wiring
....and much more.

» Click here to learn more about Home Electrical Wiring «
  repair electrical wiring  

MORE ABOUT THIS TOPIC: Electrical Troubleshooting

Click the banner to Ask an Electrical Question:
electrical question

FAQs Frequently Asked Questions and Comments

2 Responses to “When Aluminum Wiring Becomes a Real Fire Hazard”
  1. Dave Rongey says:

    Thank you Stephnie, the article has been updated and your comment is appreciated.

  2. Stephnie says:

    I just wanted to let you know that there is a typo on the answer above (aluminum wire to air conditioner) that states “A #20 gauge aluminum wire is rated for no more than 15 amps” which should say a #12 gauge aluminum wire. Just don’t want anyone to get confused.