Aluminum Wiring

In the late 1960’s and early 1970’s copper prices rose and contractors/electricians switched from copper to lower costing aluminum wiring. Although no longer used in distribution circuits (the small wires in a house or condo that carries electricity to the plugs and switches), aluminum wiring is still used today in certain applications. For example, 240 volt circuits for stoves and...
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Knob & Tube Wiring

Knob and tube wiring is commonly found in homes over 60 years of age and consists of single hot  and neutral  wires, separated by knobs (or insulators) and ceramic tubes. Knob and tube wiring is considered a higher risk than contemporary wiring installations mainly because there is no ground wire (in contrast to contemporary wiring) the exposed wires in attics and basements  are highly...
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