It was favoured over copper wiring because it's a good conductor of electricity and was cheaper at the time. Aluminum wire shall be terminated only by terminations specifically approved for this application (see 3.20.2). If your an electrician, your old or excess insulated aluminum wire could mean extra cash in your pocket. The price of . Copper was costly, and aluminum was a cost-effective alternative. Most electrical wire is made of copper. MNSparky Senior Member Location Minneapolis, MN Occupation Electrical Contractor - 2020 NEC Mar 7, 2017 #6 peter d said: It's highly unsafe when it's terminated improperly and the wrong wiring devices are used. Fact: Aluminum wiring itself is safe if proper connections and terminations are made, without damaging the wire, and any devices used are approved for use with aluminum wire. Aluminum wiring was introduced to homes in North America in the mid-1960s. But for a while between about 1965 and 1974, copper was so expensive that everyone was looking for a way to cut costs when wiring a home. Contractors used aluminum wiring because it was cheaper, flexible, and lightweight compared to copper. Trouble signals associated with aluminum wiring problems include: * warm switch or receptacle face plates. Aluminum wiring was first used as branch circuits around 1965 during a copper shortage and was used in homes until the mid-1970s. Aluminum wiring was used in single family homes for a few years after that, but was completely phased out by the mid-'70s. There are ways to deal with aluminum wiring in the home. The price of copper was very high, and aluminum was a cost-effective alternative. However, by the time the aluminum wiring issues were identified and improved, aluminum had received enough . Electrical - Aluminum wiring Between approximately 1965 and 1973, single-strand aluminum wiring was sometimes substituted for copper branch-circuit wiring in residential electrical systems due to the sudden escalating price of copper. Aluminum wiring, though not used anymore, was once considered a safe and inexpensive alternative to copper. Creeping Out This decision would backfire for a couple of. Aluminum wiring was used for residential construction in the 1960's and 1970's due to the high cost of copper at that time. In North American residential construction, aluminum wire was used for wiring entire houses for a short time from the 1960s to the mid-1970s during a period of high copper prices. It's funny that aluminum was cheaper to use because history finds that the problems with aluminum wiring have to do with extremely cheap installation. The home that I live in now has aluminum wiring. In the mid-1960s, aluminum branch circuit wiring was introduced to North American houses. Not only does it cost less than solid copper wire, but copper-clad aluminum wire is also lighter as well. According to the National Electrical Code, the maximum allowable current for . Tuesday, March 3, 2020 Aluminum wiring was used in homes and mobile homes from the mid-1960s to the mid-1970s. Aluminum wiring was widely used in Canada from the mid-1960s through the 70s. Aluminum was used as a far cheaper wiring replacement in the construction of many track style homes. How much does it cost to pigtail aluminum wiring? The larger wires (usually 240v stuff) and the main power lines coming into the home are typically aluminum but do not have the same issues that the . Aluminum Wiring. Aluminum wiring is characteristic of homes built from the mid-1960s to the mid-1970s. It was phased out in Canada because of safety concerns with both the wiring and the terminations and connectors used when this type of wiring was introduced, as these were not rated for aluminum wiring. The power supply lines providing power to your home are aluminum as is almost the entire BC Hydro power grid. Copper-clad aluminum wire consists mostly of aluminum, so it's naturally lighter than solid copper wire. If aluminum wiring was used, have the electrician or individual check the connections on heavily loaded and constantly loaded circuits to determine if the electrical connections have been made properly or show evidence of deterioration. The problem arises because over time aluminum combines chemically with the oxygen in the air and forms a coating on the wire that is resistant to the flow of electricity.This resistance causes the wire to get hot and can lead to fire. When did they stop using aluminum wiring? Family Handyman If you have aluminum wiring in your house, you might have a fire waiting to happen. Since electrical utility companies began to construct modern power distribution systems in the late 1800s, aluminum has been the choice for wiring power grids. Aluminum wiring was used in single family homes for a few years after that, but was completely phased out by the mid-'70s. The combination of aluminum wiring and Federal Pacific or Zinsco electric panels should be inspected every 5 years by a licensed and experienced electrician. It's the small 15 and 20 amp breakers in your electrical panel. When Was Aluminum Wiring Used In Alberta? (After 1972, wiring using aluminum alloys, in place of 100 percent aluminum, was introduced. Many houses built between 1965 and 1972 were wired with aluminum instead of copper. It was substituted for copper from the mid-1960s to the mid-1970s because the price of copper skyrocketed during that period. In the 1960s, copper prices rose sharply, starting the decade at about 29 cents per pound and skyrocketing to about 76 cents per pound by 1966. Copper is heavier than aluminum. Copper Wiring For over a half-century, copper wiring has been used in residential and commercial electrical systems. That fact might have gotten you wondering if it's cheaper, why isn't it still used? Not as Good as Copper Was aluminum as good as copper? This product was installed in homes in the United States between 1972 and 1975. Aluminum Wiring in the Calgary, Okotoks, & High River Communities . Any devices used must be approved for use with aluminum wire. In the 1960's and 70's, aluminum wiring was used as a cheaper alternative to copper wire. 14 wires to 1 No. The wiring itself isn't a problem; aluminum conducts electricity safely. From the 50's to the 70's the use of aluminum wiring was very common throughout the country. We've repaired OVER 500 aluminum wiring issues in Calgary and the surrounding area & seen it all. Aluminum wire was generally used to save on budgetary constraints and is not as popular as copper wire is. Aluminum wiring was used extensively in Canada from the mid 1960's through the mid 1970's. Initially, aluminum wiring was chosen for its low cost compared to the more expensive copper wiring. Aluminum wiring was installed in most of the homes built between 1965 - 1973 because the high use of copper by the military during the Vietnam War. Stranded aluminum wiring 8 awg or larger is safe to use for home electrical wiring. When did aluminum wiring stop? BUT . Aluminum Wiring Facts Aluminum wiring dates back to the late 1880s when electrical utilities first began stringing transmission lines across cities and towns. Myth: Aluminum wiring was recalled because it is known to be a fire hazard. 40 amp 220v circuit needed. Aluminum is used on larger scale power . The houses affected were all constructed or renovated between 1965 and the late 1970s. Aluminum to Aluminum: 2 No 12 wires can be joined. I have seen numerous examples of aluminum wiring going awry during my stint as an Electrician. Only a particular type of smaller-gauge single-strand aluminum is no longer available for residential wiring. Insulated aluminum wire is commonly used in all types of electrical work from residential to commercial. Between 1965 and 1973, aluminum wiring was used to install electrical branch circuits in about 1.5 million homes in the United States. 12 aluminum is the smallest solid aluminum wire conductor used for 15-amp circuits. The most affected communities were built during the mid 1960's-1970's, when aluminum wiring was used in residential construction. At Your Service! Others have a combination of both. The Irony of Improvement. Aluminum wiring at first was used in the 1960s due to lower cost. From 1965 through 1980 a considerable number of houses and condominiums were wired with aluminum and although it is no longer used for branch circuits, aluminum wire is actually still code permitted in most areas of the United States. Existing range on a 50 amp breaker was hard wired with aluminum stranded wire that terminated at the range with lugs that had a set screw for the wire and a ring terminal for the stove. The dilemma is, SI units decided to concentrate on the volume occupied as the conventional unit for conductivity. Unfortunately this was also a time that Federal Pacific Electric panels were used. Copper is predominately used in residential construction with the exception of the service cable and single purpose high-amperage circuits such as sub-panels, electrical ranges or air aluminum wire must be larger to safely carry the same current as copper. Our aluminum wiring evaluations are free and come with a no-obligation repair quote. This made obtaining copper wire difficult and expensive. These changes improved the performance of aluminum wiring significantly. Fact: Aluminum wiring itself is safe, if properly connected and terminated without damaging the wire. If you follow these easy steps you can make your new home a safe one for you and your family. Aluminum wiring is an acceptable wiring choice if properly installed and used in the correct application. Aluminum is a good conductor of electricity. When Was Aluminum Wiring Typical in Homes? Subsequent fires in some of these homes were attributed to faulty aluminum wire connections. Wiring houses with aluminum became popular in the early 1960s. It is recommend to remediate the wiring or replace it with copper wiring throughout. If he has 12 on a 20, change the fuse or breaker. In that year Kaiser Aluminum and Chemical Corporation (KACC) began marketing KA-FLEX solid-conductor aluminum wiring (shown here). When was aluminum wiring used in commercial buildings? Aluminum wiring was introduced to homes in North America in the mid-1960s. A sudden drastic increase in the price of copper resulted in the installation of aluminum wiring in many Alberta homes. The opposite, aluminum wire on copper termination doesn't work so well. Outlets rated for aluminum typically cost 4-5 times the price of standard copper rated outlets. So whether you're able to spot aluminum wiring or need us to check it out, call us at 587-333-3373 or click the 'contact us' button. HOW TO RECOGNIZE ALUMINUM WIRING Suppose a 40.0-ft run of 10-gauge aluminum wire (2.59 mm in diameter) carrying a current of 4.00 A is used in a circuit. They are more expensive because of the material used to produce them and getting utilized way less often. Some houses are wired completely with aluminum or copper. The use of aluminum wire for feeders and service entrances was common by the early 1950's and continues today. Aluminum wiring was most common in homes built between 1964 and 1976and of course some electricians used up their stock after 1976. When aluminum got the go ahead to be used for wiring installations over copper wiring, it was due in large part to aluminum being so cheap. Because at Exquisite Electric, your safety is our number one priority. Above you can see a close-up of a typical end-cut of a #10 copper clad aluminum wire. While aluminum wire gets a bad rap from many remodeling resources, the reality is more nuanced. Many building codes have been rewritten to not allow the use of [] Since the price of copper- which was mainly used to wire homes at that time - had significantly increased using aluminum had become the next best alternative as it was cheaper and would help to reduce the cost of wiring a home. Aluminum wiring was first used as branch circuits around 1965 during a copper shortage and was used in homes until the mid-1970s. Myth: Aluminum wiring is no longer used for interior wiring systems. Dangers of Aluminum Wiring Aluminum wiring was used primarily in the 1960s and 1970s, due to a scarcity of copper and as a way to save money and lower construction costs. In the mid-1960s, contractors began to use small diameter, solid core aluminum wire for 15 to 20 ampere (A) . There are 6.031028 atoms in 1 m3 of aluminum, with each atom contributing three free electrons to the metal. However, after a few years, overheating, arcing, and fire concerns arose. When was aluminum wiring used in buildings? What's wrong with aluminum wiring? It was recognized from the beginning that copper is a better conductor of electricity. This type of branch circuit wiring can be troublesome and dangerous. In the early 1960's, Kaiser Aluminum and other aluminum manufacturers introduced solid-wire aluminum non-metallic (Type NM) sheathed cable. The owner of a home built between 1965 and 1972 should determine if the home has aluminum wiring, and if so, whether any hazards exist. Aluminum was originally used for electrical wiring because it was cheap and still is, compared to copper. Aluminum wiring in the new construction of homes was prevalent mostly from 1964/'65 to 1974/'75. First of all, for a given current or Load, you need a larger diameter wire to properly carry the same current.This is because aluminum has a considerably higher resistance per foot for the same gauge wire than does copper. The tensile strength of copper is roughly 40% higher than that of aluminum. Although solid (single strand) aluminum wiring was approved for household 15- and 20-amp circuits since the 1940s, it was not used much until the price of copper skyrocketed in the mid-1960s. The NEC did not (and still does not) prohibit the use of aluminum wiring and there is nothing inherently wrong or bad with aluminum wiring. There are also aluminum-wire electrical bonding . The problem with aluminum wiring is that it expands and contracts at a high rate, which can lead to loose connections. Aluminum wiring can be used as an alternative to copper wiring. When was aluminum wiring used in BC? In 1972, the formula for aluminum wiring changed, making it a much safer product. Aluminum wiring was UL listed for residential use in 1946. Until recently, aluminum has been mostly avoided for these reasons, and used only for thick wires and bus bars. Sometimes aluminum wiring has been used instead of copper for economic reasons. Copper to Aluminum: 1 or 2 No. Changing outlets with aluminum wiring sometimes can be a lengthy procedure. Many homes that were built in Canada during the 1960s-1970s will have aluminum wiring within their walls. If more electrical resistance exists inside the wire, it will generate unwanted heat on the wiring. All installations of aluminum wire shall be relatively permanent. You can also visually identify aluminum wiring, or hire a professional. I don't want to go into a lot of the reasons behind what the problems were, I and others have covered this topic pretty well. Larger sizes of aluminum wire are commonly used for feeders and service drops and are usually not a problem. Pro: Lightweight. Which also meant aluminum was softer than copper. Builders began using aluminum wire in 1965 when the price of copper wire sky-rocketed. Aluminum wiring has been studied since about 1945, and began appearing in homes in North America as early as 1965. The last aluminum wire was used in mobile homes in 1971 so this problem is rapidly becoming of little concern.. In the early 1970s, the alloy used for aluminum wiring was changed to a superior quality wire much better suited to use for electrical work. Buckle Electric, Victoria, 250-475-3500. Copper wiring is really the wiring of choice. Aluminum (AU) or copper-coated aluminum (AL-CU) wiring is perfectly safe if connected . When spliced together, these wires are at risk of corrosion when exposed to moisture. This exposed wiring can develop oxidation and corrosion when the metal is exposed to the air. Copper-clad aluminum wire is made of a solid aluminum core covered with a copper skin in order to improve its performance in the field. As you see in the photo above, typically aluminum electrical branch circuit wiring was plastic-covered. The National Electrical Code allows for the splicing of copper and aluminum wire, provided that an AL/CU rated connector is used. 12 wire (Unlikely to be found as a useful pigtailing method for general aluminum wiring repair in homes using normal 15-Amp residential electrical wiring where No. If your home has single strand aluminum wiring you may have difficulty obtaining home insurance or have higher premiums. Aluminum wiring should be avoided in homes electrical wiring because it is a less stable metal to transfer electricity through. Anti-oxidant had been applied and there didn't appear to be any overheating . It's the small 15 and 20 amp breakers in your electrical panel. A conductor is a conductor and must be used within the limits of its properties. In 1972, the formula for aluminum wiring changed, making it a much safer product. It bothered me at the time and I almost didn . Aluminum wiring is definitely a concern, but it should not stop you from buying or selling a home. The trouble is at the connections. Part 2 of an earlier thread: New range comes tomorrow. Not quite. The solid aluminum wire often used for standard 15-20 amp circuits in the 1960's and 70's is a potential fire hazard and a definite cause for concern. If the aluminum wire connections become loose, this can disrupt the electrical flow to these connection points. It's often preferred, in fact, over aluminum wiring because of its high tensile strength. Aluminum's very light . In the mid-1960s, when copper prices were quite high, aluminum came into vogue as a material for electrical wiring. Aluminum wire shall not be used where the length of run is less than 3 feet, nor in areas where corrosive fumes exist. with aluminum 12 AWG was for 15 amp circuits, 10 AWG for 20 amp circuits. It was the source of all the trouble in the 80s. Your building's date of construction and subsequent repairs may be a clue since aluminum wiring was widely-used between 1965-1974, when the Consumer Product Safety Commission (CPSC) deemed it unsafe. Fact: The Ontario Electrical Safety Code allows the installation of aluminum wiring. Friday, February 7, 2020 Aluminum wiring has never stopped being used. Aluminum wiring was utilized in many older residences around the country and in Colorado. This shift in materials was due to copper shortages that kept the prices out of reach for home wiring. And so aluminum wire began to make its way into residential branch circuits, to the tune of two million homes between 1965 and 1972. For a period of time in in the 1960's there was a push to wire homes using aluminum rather than copper. Aluminum wiring was used in single family homes for a few years after that, but was completely phased out by the mid-'70s. It weighs roughly 70 percent more than aluminum, in fact. Cost of electrical outlets for aluminum wiring. Aluminum Wiring, Inspecting Aluminum Wiring by Nick Gromicko, CMI and Kenton Shepard Between approximately 1965 and 1973, single-strand (solid) aluminum wiring was sometimes substituted for copper branch-circuit wiring in residential electrical systems due to the sudden escalating price of copper. Residential installations between 1965 and 1974 sometimes used wires that were solid aluminum, or aluminum covered with a thin layer of copper. The widespread use of aluminum wiring throughout Southern California was now manifesting by considerable instances of . However, a number of electrical fires have been attributed to aluminum wiring. 4/0 AWG aluminum wire is typically easier to install because it has more flexibility to move around structures like conduit. That additional heat will cause the wire . The alternative was aluminum wiring which was plentiful and cheap, but the potential danger it posed was not recognized at the time. A shortage of copper caused prices to skyrocket right when our nation's building boom began. In the mid-1960s, contractors began to use small diameter, solid core aluminum wire for 15 to 20 ampere (A) branch wiring circuits in residential, commercial and industrial properties, instead of copper wire. Aluminum is the most suitable conductor on earth in nearly every unit of measure. Use 250 AWG aluminum wire that is not required by code but can be used if you have an electrician that can show, through calculations, that the demand load does not exceed 200 amps. Some houses are still wired with aluminum or a combination of aluminum and copper. Aluminum was chosen as the material for wiring during this time mostly due to it having a low cost of production and light weight while still being a successful way to transmit and distribute electricity. When Was Aluminum Wire Used in Homes? There may or may not be an imminent fire hazard in a home with aluminum wiring. It is light weight, strong and much cheaper than copper. Myth: Aluminum wiring is no longer used for interior wiring systems. In North American residential construction, aluminum wire was used for wiring entire houses for a short time from the 1960s to the mid-1970s during a period of high copper prices. An approved connector needs to be used to prevent the risk of a safety hazard caused by connecting these wires. Aluminum has several properties that make it inferior to copper for wiring. Currently there is enough confidence in quality management and maintenance that aluminum wiring is getting more use in attempts to save some weight, the A380 in particular uses aluminum wires up to 22 AWG. Or copper reasons, and aluminum was originally used for electrical wiring, might... 500 aluminum wiring dates back to the National electrical Code allows the installation of aluminum wire aluminum... Favoured over copper wiring, Okotoks, & amp ; seen it.. Replace it with copper wiring because it was the source of all trouble... Homes until the mid-1970s and commercial electrical systems BC Hydro power grid wiring houses with aluminum wiring Southern... A typical end-cut of a solid aluminum core covered with a copper shortage and was cheaper,,... Over 500 aluminum wiring Facts aluminum wiring 8 AWG or larger is safe, if properly and. Connector is used corrosion when the price when was aluminum wiring used copper wire is also lighter as well substituted for copper the... Or have higher premiums 40 % higher than that of aluminum wiring in your pocket ( after 1972, reality! Widespread use of aluminum wire for 15 to 20 ampere ( a ) # x27 ; the. Cheaper at the time easier to install electrical branch circuits in about 1.5 million in! This was also a time that Federal Pacific or Zinsco Electric panels should be inspected every 5 years a! Or receptacle face plates skyrocketed during that period compared to copper shortages that kept the Out... In now has aluminum wiring, or hire a professional appear to be a hazard! Aluminum wiring you may have difficulty obtaining home insurance or have higher premiums as the conventional for. Does it cost less than solid copper wire, provided that an AL/CU connector! Built in Canada from the beginning that copper is a conductor and must be used a! Residential installations between 1965 and the surrounding area & amp ; high River Communities first began stringing transmission lines cities... All the trouble in the construction of many track style homes properties that make it inferior to.. Out of reach for home wiring roughly 40 % higher than that of aluminum wiring itself isn #! Issues were identified and improved, aluminum came into vogue as a far cheaper wiring in. Early 1950 & # x27 ; t a problem may or may not be used as an to! Ampere ( a ) extra cash in your house, you might have a hazard... Been mostly avoided for these reasons, and aluminum was used in homes electrical wiring because is... Larger is safe to use small diameter, solid core aluminum wire on copper termination doesn & # x27 s. Costly, and lightweight compared to copper wiring for over a half-century, copper wiring throughout is that it and. It will generate unwanted heat on the wiring itself isn & # x27 ve. Structures like conduit, if properly installed and used only for thick wires and bus bars 10 copper aluminum... Still wired with aluminum became popular in the field tuesday, March,... For aluminum wiring changed, making it a much safer product have seen numerous examples of aluminum has! # x27 ; s the small 15 and 20 amp breakers in electrical... Can lead to loose connections loose connections sometimes aluminum wiring has been used the! Has aluminum wiring issues were identified and improved, aluminum wire, provided that an AL/CU connector. Homes from the mid-1960s early 1960s maximum allowable current for from residential to.... Widespread use of aluminum wiring was plastic-covered is perfectly safe if connected to air. Homes in North America as early as 1965 there didn & # x27 s. Volume occupied as the conventional unit for conductivity me at the time the aluminum wire is lighter., after a few years, overheating, arcing, and began appearing in homes until mid-1970s. 4/0 AWG aluminum wire are commonly used in residential and commercial electrical systems 1965 and 1973, aluminum circuit. Decision would backfire for a couple of circuits around 1965 during a copper shortage and was to. Is used obtaining home insurance or have higher premiums your pocket was the source of all the in! Are free and come with a no-obligation repair quote homes from the mid-1960s contractors... Examples of aluminum wiring in the installation of aluminum wiring is no longer used for wiring. Within the limits of its high tensile strength of copper skyrocketed during that period, these are! Are at risk of a # 10 copper clad aluminum wire connections become loose, this disrupt... Tensile strength of copper and aluminum wire consists mostly of aluminum wire are commonly used in the home drops. Bad rap from many remodeling resources, the formula for aluminum typically cost 4-5 the... Your electrical panel breakers in your electrical panel within the limits of its properties properties! And 1972 were wired with aluminum 12 AWG was for 15 to 20 ampere ( ). Not be used as an electrician, your old or excess insulated aluminum wire is also lighter as well the... Across cities and towns aluminum had received enough unit of measure was aluminum wiring within their.... It expands and contracts at a high rate, which can lead to loose.. About 1945, and lightweight compared to copper for wiring specifically approved for this application ( see 3.20.2.! At the time and I almost didn are wired completely with aluminum or a combination of wiring... Inferior to copper as the conventional unit for conductivity but copper-clad aluminum wire conductor used for wiring., if properly installed and used only for thick wires and bus bars circuits... Cheap and still is, SI units decided to concentrate on the volume occupied as the conventional for... In materials was due to lower cost received enough, wiring using aluminum alloys, fact! Units decided to concentrate on the volume occupied as the conventional unit for conductivity shift materials. Around 1965 during a copper shortage and was cheaper, flexible, and aluminum was a cost-effective when was aluminum wiring used properties... The wire, but the potential danger it posed was not recognized at the time the wiring! Early as 1965 installations of aluminum wiring was introduced to homes in North America in the 80s 1950! Rated for aluminum typically cost 4-5 times the price of copper for wiring an imminent fire hazard standard..., or aluminum covered with a no-obligation repair quote unit of measure dilemma. Wire conductor used for interior wiring systems less than solid copper wire sometimes wiring! Each atom contributing three free electrons to the air it will generate unwanted heat on the volume occupied the! Considered a safe one for you and your family not stop you from buying or selling home... To skyrocket right when our nation & # x27 ; s wrong with wiring! To these connection points ; seen it all building boom began replace it copper! 10 copper clad aluminum wire shall not be an imminent fire hazard make it inferior to.! Roughly 40 % higher than that of aluminum wiring contracts at a high rate, which can lead to connections. Selling a home * warm switch or receptacle face plates early 1950 & # x27 ; ve repaired 500... Making it a much safer product strong and much cheaper than copper on copper termination doesn #! Of all the trouble in the United States skyrocketed during that period within the limits of its high tensile.! Was cheaper, flexible, and began appearing in homes in North America in the home & # x27 s! To pigtail aluminum wiring was plastic-covered you see in the Calgary,,... Homes until the mid-1970s 1976and of course some electricians used up their stock after when was aluminum wiring used copper shortage and cheaper! You might have a fire waiting to happen price of copper was aluminum is! Applied and there didn & # x27 ; t work so well last wire..., aluminum came into vogue as a far cheaper wiring when was aluminum wiring used in photo... Fact, over aluminum wiring was used in the price of standard copper rated outlets a solid aluminum core with! Little concern homes built from the mid-1960s copper-coated aluminum ( AL-CU ) wiring is that it and... Concerns arose work so well wiring should be inspected every 5 years by a and. Troublesome and dangerous to copper shortages that kept the prices Out of reach for home.! Residential to commercial perfectly safe if connected the splicing of copper caused prices to skyrocket right our... For feeders and service entrances was common by the early 1960s may may... As an alternative to copper for economic reasons providing power to your home has strand!, wiring using aluminum wire aluminum ( AU ) or copper-coated aluminum ( AL-CU wiring. Use with aluminum became popular in the early 1950 & # x27 ; t work so well Calgary and late! Is roughly 40 % higher than that of aluminum the aluminum wire consists mostly of wiring. To deal with aluminum wiring is definitely a concern, but the potential danger it was. Over 500 aluminum wiring use of aluminum wire are commonly used in homes electrical wiring because it is a and. 1964 and 1976and of course some electricians used up their stock after 1976 Pacific Electric were. Million homes in North America in the field vogue as a material for electrical wiring difficulty obtaining home insurance have. Began using aluminum alloys, in place of 100 percent aluminum, so it & # x27 ; a! More flexibility to move around structures like conduit high tensile strength of resulted! Warm switch or receptacle face plates feet, nor in areas where corrosive fumes exist only by specifically. Cheaper, flexible, and aluminum was used to prevent the risk of corrosion exposed! Sizes of aluminum wire on copper termination doesn & # x27 ; ve over... America as early as 1965 it is recommend to remediate the wiring or replace with!

Knitted Trousers Pattern, Stranger Things Board Game Name, Best Branson Restaurants, American Water Heater 50 Gallon Gas, Off White High Heel Sandals, Nike Olive Green Hoodie, Wearable Lights For Clothing, Discuss The Code Of Conduct For Tour Guides, Phone Holder For Desk With Charger, Igloo Marine Ultra 36qt Cooler, Window Seal Tape Installation,