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Aluminum Wiring Repair · Arizona

Aluminum Wiring Repair in Arizona

Aluminum wiring repair makes 1960s and 1970s aluminum branch circuits safer by connecting copper pigtails at every outlet, switch and splice with connectors listed for aluminum-to-copper connections, or by replacing the wiring entirely.

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  • Local notes for 3 Arizona cities

Aluminum Wiring Repair across Arizona

Aluminum Wiring Repair in Phoenix, AZ

Phoenix homes built from about 1965 to 1973 sometimes have aluminum branch wiring, and in the desert heat, loose aluminum connections at outlets and switches can overheat faster. Common signs include warm cover plates, flickering lights and outlets that stop working.

Rooftop solar is common, and adding solar, a battery or an EV charger to an older panel frequently needs a panel upgrade or a main-panel derate. Monsoon storms bring lightning strikes and short, intense outages.

Aluminum Wiring Repair in Tucson, AZ

Some Tucson homes built between about 1965 and 1973, particularly in east and northwest subdivisions of that era, have aluminum branch wiring. In desert heat, loose aluminum connections at outlets and switches can overheat.

Many older homes still use evaporative coolers, and switching to refrigerated air or a heat pump often needs a new circuit and sometimes a panel upgrade. Thick adobe and masonry walls make running new wiring harder, and rooftop solar is common.

Aluminum Wiring Repair in Mesa, AZ

Some Mesa subdivisions built between about 1965 and 1973 have aluminum branch wiring, and loose aluminum connections can overheat at outlets and switches, especially when AC and pool equipment run for months. Repair usually means attaching copper pigtails to every aluminum wire with approved connectors, rather than a full rewire.

Older homes may have small panels and original wiring, and many 1970s and 1980s houses have panels near the end of their life. Pools, AC systems, rooftop solar and EV chargers are common heavy loads.

What aluminum wiring repair involves

Single-strand aluminum branch wiring was used in many homes built from about 1965 to 1973. Aluminum expands, contracts and oxidizes differently from copper, so connections at outlets and switches can loosen and overheat.

Accepted remediation methods use connectors specifically listed for joining aluminum and copper, installed at every termination. A full rewire is the other option. Standard twist-on wire connectors are not a proper fix for aluminum-to-copper joints.

Signs to look for

  • A home built in the mid-1960s to early 1970s
  • "AL" or "Aluminum" printed on cable jackets in the attic or panel
  • Warm outlet or switch plates
  • Flickering lights or outlets that work intermittently
  • An insurer or inspector asking about aluminum wiring

What moves the price

  • Number of outlets, switches and splices
  • Connector type used
  • Partial versus full rewire
  • Access to junction boxes
  • Permit requirements

Aluminum Wiring Repair in Arizona: questions

Where in Arizona is aluminum wiring repair common?

Our local notes cover Phoenix, Tucson, Mesa. Phoenix homes built from about 1965 to 1973 sometimes have aluminum branch wiring, and in the desert heat, loose aluminum connections at outlets and switches can overheat faster.

Who issues permits for aluminum wiring repair in Arizona?

The city or county building department where the home is. Phoenix: The City of Phoenix issues electrical permits through its Planning and Development Department; Scottsdale, Mesa, Tempe and other cities run their own. Tucson: Inside city limits, electrical permits come from the City of Tucson's Planning and Development Services; unincorporated areas are permitted by Pima County. Mesa: Electrical permits inside city limits come from the City of Mesa's development services.

Is aluminum wiring dangerous?

Aluminum branch wiring is associated with a higher risk of overheated connections. Proper remediation or replacement addresses the risk.

Do I have to rewire the whole house?

Not necessarily. Pigtailing every connection with listed aluminum-to-copper connectors is an accepted alternative to a full rewire.

Is the large aluminum wire to my range or service a problem?

Stranded aluminum feeders for large appliances and service entrances are still widely used and are a different issue from small-gauge branch wiring.

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