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copper wire size chart

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  • What size copper wire is good for 400 amps?

  • My buddy installed a 400 amp meter with 2-200 amp breakers in his pump house. 1 is going to a detached garage and the other to a new home. I believe he can use table 310.15 (b) (6) for the wires through the weatherhead, but what table should be used to size the wires to the detached garage and the home.

  • Where do you find wire size vs. amps chart?

  • Understand how much current you need to draw for your tool or applianceProperly size the wire gauge to the length and current draw requiredKeep your cables as short as possible for higher current toolsUnroll extension cords fully so they aren’t coiled during use

  • What is the diameter of 2 0 copper wire?

  • The n gauge wire diameter d n in inches (in) is equal to 0.005in times 92 raised to the power of 36 minus gauge number n, divided by 39: dn (in) = 0.005 in 92 (36-n)/39 The n gauge wire diameter d n in millimeters (mm) is equal to 0.127mm times 92 raised to the power of 36 minus gauge number n, divided by 39: dn (mm) = 0.127 mm 92 (36-n)/39

  • Which copper wire would have the lowest resistance?

  • Which copper wire has the highest resistance? A long and thin wire of copper will have a higher resistance while short and thick wire will have low resistance. Is Thicker wire always better? Thicker is never worse than thinner electrically, but after some diameter the extra area gives you less and less return.

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