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it depend upon the length but for small length we can say 3 amp . . . . . . . . . . . . . . . <<>> 1 sq mm 3-core cable is rated at a maximum of 10 amps but for extended use of up to 6hr per day small cables should be rated at 4 amp per sq. mm, and for continuous use 2 amps per sq. mm..

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9y ago
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13y ago

6amps

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Q: 1 sq mm copper wire current rating?
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