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How many amps can be applied to a 400 sq mm aluminium wire?
530 amps in average conditions, more in cold weather. <<>> The closest conversion will be; 405 mm2 is equal to 800 MCM AWG. A 800 MCM aluminium conductor with an insulation factor of 90 degrees C is rated at 445 amps.
How many amps is 250 MCM wire good for?
300 Amps if used for service entrance conductors. Table 310.15
What size of copper do you need for a 1250 amps rating?
There are different combination to obtain a current capacity of 1250 amps. A parallel run of #1250 MCM wires. A triple run of #600 MCM wire. The most flexible run would be with a quad run of #350 MCM wire.
What is the weight of 400 mcm copper wire per foot?
500mcm 37 strand copper wire = 1.544lbs/ft.
What size Al conductor is needed for 400 amp current?
Allowable ampacities for a single 350 MCM aluminium conductor with an insulation factor of 90 degrees C is rated at 445 amps.Allowable ampacities for no more that three 700 MCM aluminium conductors in a conduit with an insulation factor of 90 degrees C are rated at 425 amps.
