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Also, the size of the aluminum wire needs to be larger compared to copper wire used for the same circuit due to the increased resistance of the aluminum alloys. For example, a 15 A branch circuit supplying standard lighting fixtures can be installed with either #14 AWG copper building wire or #12 AWG aluminum building wire according to the NEC ...
The resistance of copper wire is approximately 1 ohms / 1000 feet for 10 AWG, 10 ohms / 1000 feet for 20 AWG, 100 ohms / 1000 feet for 30 AWG, and so on. [ 5 ] : 27 Because aluminum wire has a conductivity of approximately 61% of copper, an aluminum wire has nearly the same resistance as a copper wire that is two sizes ...
Sample cross-section of high tension power (pylon) line, showing 1 strand (7 wires) of steel surrounded by 4 concentric layers of aluminium. Aluminium conductor steel-reinforced cable (ACSR) is a type of high-capacity, high-strength stranded conductor typically used in overhead power lines.
14 AWG, 20 amps copper , no rating for aluminum; 12 AWG, 25 amperes copper, 20 amperes aluminum; 10 AWG, 30 A copper, 25 A Al... 250 kcmil, 215 A Cu, 170 A Al; And so on. A copper wire in NEC rules (and CEC rules) is always smaller than an aluminum wire with the same rating. Your IP address doesn't come from Alcoa, does it? --Wtshymanski
1.68 × 10 −8: 5.96 × 10 7: Aluminum, Al: ... Aluminum wire is the most common metal in electric power transmission and distribution. Although only 61% of the ...
Aluminum can prices vary by region and are based on weight. The average recycling value per pound of cans in the U.S. is currently $0.56. How many aluminum cans are in a pound?