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Can three or four 20awg wire carry the same current as 1 14awgwire?
Wiki User
∙ 12y ago
No. 20 gage wire is only rated for low voltage. I wouldn't do it like that if I were you
Wiki User
∙ 12y ago
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Are the three conductors in a single phase 240v circuit considered to be in parallel?
If the three conductors are in a single cable they physically are positioned parallel in relationship to each other. True parallel conductors are combined to split the current. They have to be of equal length and size so that they split the load current between the two or three or four conductors. Conductors are paralleled so that multiple smaller conductors, which are easier to work with, can carry equally the total load current. To answer the question no, the three conductors in a 120/240 circuit are not considered to be in parallel. All three of these conductors could have a different current being carried by them depending on how the load is distributed.
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Are the three conductors in a single phase 240v circuit considered to be in parallel?
If the three conductors are in a single cable they physically are positioned parallel in relationship to each other. True parallel conductors are combined to split the current. They have to be of equal length and size so that they split the load current between the two or three or four conductors. Conductors are paralleled so that multiple smaller conductors, which are easier to work with, can carry equally the total load current. To answer the question no, the three conductors in a 120/240 circuit are not considered to be in parallel. All three of these conductors could have a different current being carried by them depending on how the load is distributed.
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Can different size conductors be used on a three phase supply?
In normal use a 3-phase supply is balanced so that the three phase wires would be of equal size because they carry equal current. When in balance the system draws no current in the neutral wire (if present). In some conditions different currents are taken from a 3-phase supply, for example three houses connected to the different phases will probably take different currents, and in that case the neutral could carry a current up to or equal to that in one of the phase wires. Therefore in supplying a street, the four wires of a 3-phase supply would all be of equal size.
