CPSC Safety Finding
The U.S. Consumer Product Safety Commission found that pre-1972 aluminum-wired homes are 55 times more likely than copper-wired homes to reach "fire hazard conditions" at connections. Aluminum wiring is the leading electrical cause of house fires in homes of this era.
Why Aluminum Wiring Is a Problem
During the mid-1960s, copper prices spiked and builders switched to aluminum for branch circuit wiring (the wiring that runs from your panel to outlets, switches, and fixtures). Aluminum was cheaper and conducted electricity well, but it has physical properties that make it problematic at connections.
The core problem is thermal expansion and contraction. Aluminum expands and contracts more than copper when current flows through it. Over years of heating and cooling cycles, this causes connections to loosen at every device in your home. Loose connections arc, and arcing generates intense heat that can ignite insulation, wood framing, and other combustibles, often inside walls where it goes undetected.
Aluminum also oxidizes more readily than copper. Aluminum oxide is a poor conductor, so oxidized connections have higher resistance, which generates even more heat.
The CPSC estimates that approximately 2 million homes in the United States still have single-strand aluminum branch wiring. Many are in Florida, where the building boom of the 1960s and 1970s coincided exactly with the aluminum wiring era.
Does Your Home Have Aluminum Wiring?
Single-strand aluminum branch wiring was used primarily from 1965 to the mid-1970s. If your home was built during this period, there's a significant chance it has aluminum wiring.
- Wire insulation in your panel or attic is silver-colored (copper is orange/red)
- Wire jacket is labeled 'AL' or 'ALUMINUM'
- Home was built between 1965 and 1975
- Outlets or switches feel warm to the touch
- Lights flicker or dim intermittently
- Burning smell near outlets or switches
- Outlets or switches are discolored or have scorch marks
Important: Aluminum wiring in the service entrance (the large wires coming from the utility to your meter and panel) is normal and not a concern. The problem is single-strand aluminum branch circuit wiring. the smaller wires running to outlets, switches, and fixtures.
Not sure? Call us at (727) 862-7950, we can help you identify your wiring.
CPSC-Accepted Remediation Methods
The CPSC recognizes two methods for aluminum wiring remediation. Both involve adding a short copper "pigtail" at each connection point so that the final connection to every device is copper-to-copper. We offer both methods and will recommend the right one for your home and insurance carrier.
COPALUM
CPSC Gold StandardA special crimping tool permanently joins a short copper pigtail to each aluminum wire end, creating a gas-tight connection. Accepted by all Florida insurance carriers.
AlumiConn
CPSC AcceptedA multi-port connector filled with anti-oxidant compound joins aluminum and copper wires at each device location. Faster and less expensive than COPALUM.
Note: Complete rewiring (replacing all aluminum with copper) is also an option but is significantly more expensive and disruptive. COPALUM and AlumiConn are the practical solutions for most homeowners.
Aluminum Wiring & Florida Homeowners Insurance
Most Florida insurance carriers will not write or renew a policy on a home with unremediated single-strand aluminum branch wiring. It is one of the most common reasons for policy non-renewal in older Florida homes.
After COPALUM or AlumiConn remediation, most carriers will accept the home. We provide a signed letter documenting the completed work, the method used, and the scope of remediation. Your insurance agent can submit this to bind or reinstate your policy.
If you also have a problematic panel brand (Federal Pacific, Zinsco, Challenger, or Pushmatic), we recommend addressing both at the same time. We coordinate the utility disconnect, permits, and inspection for both jobs together, which is more efficient and cost-effective.
Failed Your 4-Point? Get a Fast QuoteWhat Aluminum Wiring Remediation Involves
- 1
Inspection & Assessment
We confirm aluminum wiring, count circuits and devices, and assess the scope of remediation needed.
- 2
Written Quote
Flat-rate pricing with COPALUM and AlumiConn options. No surprises.
- 3
Permit
We pull the electrical permit with your city or county.
- 4
Remediation
We work through the home systematically, panel, outlets, switches, fixtures, junction boxes, adding copper pigtails at every connection point.
- 5
County Inspection
We schedule it and meet the inspector.
- 6
Documentation
You receive a signed letter for your insurance carrier detailing the method used and scope completed.
Why Choose Coastline Electric
- 40+ years in Florida, established 1984
- Licensed Florida Electrical Contractor. License #EC0002969
- We handle permits, utility coordination, and inspection
- Insurance documentation included after every job
- AVETTA certified, trusted by major corporations
