Do not do it! Aluminum and copper or dissimilar metals that expand and contract at different rates. For this reason you should never connect aluminum and copper together. This is a fire waiting to happen.
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Look for an approved connector. There are connectors that allow dissimilar wires to be spliced together. Look on the package to see if it has the symbol Al/Cu. These types of connectors are UL/CSA approved.
Copper is preferable to aluminum and the size of wire should be the same or the next size down if copper is used.
No, do not mix aluminum wire with copper wire.
In the electrical trade aluminum wire is equivalent to copper wire as it is also used to carry current. To carry the same current as copper wire aluminum wire is up sized to meet the same ampacity.
Aluminum and Copper Wire
Aluminium wire has high resistance than Copper.
When compared by volume, copper is best, then aluminum and finally iron. When compared by weight, aluminum is better than copper. You have to compare by volume because aluminum is so much lighter than copper, an aluminum wire that weighed the same as a copper wire would be much bigger and harder to work with.
#1 copper thhn
copper, aluminum, and steel
copper plated aluminum wire
Copper is best Aluminum dosnt deal well with moisture and rain
A rather thin copper or aluminum wire.
Standard Romex is a three-strand, solid core wire, individually insulated, in a common sheath to make it easier to pull. For a short time, some manufacturers were making romex with aluminum because the cost of copper was so high, but the aluminum wire was not as good as the copper, and the practice was discontinued.