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Existing homes with this older aluminum wiring used in branch circuits present a potential fire hazard. In communist former East Germany (GDR, 1945-1990), aluminum or Copper-clad aluminium wire (″AlCu-Kabel″) had to be used for wiring as copper was expensive to import. [4]
A copper strip is formed into the shape of a cylinder, while it is being wrapped around an aluminum core and the edges of the copper strip are welded together. The assembly is then pulled through a die, where the cladded wire is squeezed and stretched while also improving the bonding between the copper and the aluminum core. [1]
All-copper building wiring refers to buildings in which the inside electrical service is carried exclusively over copper wiring. In all-copper homes, copper conductors are used in circuit breaker panels, branch circuit wiring (to outlets, switches, lighting fixtures and the like), and in dedicated branches serving heavy-load appliances (such as ...
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Modern home buyers often find that existing K&T systems lack the capacity for today's levels of power use. First-generation wiring systems became susceptible to abuse by homeowners who would replace blown fuses with fuses rated for higher current. This overfusing of the circuits subjects wiring to higher levels of current and risks heat damage ...
Prior to 1972, however, the aluminum wire used was manufactured to conform to the 1350 series aluminum alloy, but this alloy was eventually deemed unsuitable for branch circuits due to galvanic corrosion where the copper and aluminum touched, resulting in poor contact and resistance to current flow, connector overheating problems, and potential ...
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It's about the building "wiring" for houses, and not just about the "wire" (or more correctly "conductor") as it is also about the wiring methods, devices, and wiring repairs. "Aluminum wire" could be used for many things including utility transmission and distribution systems discussed in other Wiki Articles (e.g. Overhead power line and ...