0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
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.
How much current does 300 sq mm cable carry?
A 228 sq mm conductor equates to 450 MCM. A conductor of 450 MCM is not a standard AWG wire size. A standard 400 MCM will carry 380 amps. A standard 500 MCM will carry 430 amps. Difference between 400 and 500 MCM amperage's is 50 amps. Transposing between the two amperage's of 50 amps will be 380 + 25 = 405 or 430 - 25 = 405 amps. This is a very rough calculated answer for the question.
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.
400 amp service what size wire?
A 750 MCM wire with an insulation factor of 90 degrees C is rated at 500 amps. De rated to 80% will allow 400 amps on the wire. A 900 MCM wire with an insulation factor of 75 degrees C is rated at 520 amps. A 1500 MCM wire with an insulation factor of 60 degrees C is rated at 520 amps. Parallel 250 MCM will give you the same usage. A 250 MCM wire with an insulation factor of 75 or 90 degrees C are rated at 255 and 265 respectively. 255 x 2 = 510 x 80% = 408 amps. 265 x 2 = 530 x 80% = 424 amps.
How many amps is 250 MCM wire good for?
300 Amps if used for service entrance conductors. Table 310.15
What size feeder wire for three phase 320 amp meter serving two 200 amp panels?
2/0 if copper is used; 4/0 if aluminum is used. The neutral and ground are usually smaller. 2/0 is only rated for 185 amps. 3/0 copper is rated for 210 amps, 250 MCM is rated at 215 amps if aluminum is used.
What is the amperage rating of 500 MCM copper conductor?
It depends on a lot of factors. Generally speaking, if the insulation is THHN then the rating is 350 amps. If the insulation is THWN then the rating is 310 amps. The ampere rating for wire depends on the temperature of the environment it will be used in, the insulation rating and the number of circuits installed in a conduit. There are also other factors to consider... like voltage drop in long runs.
Amps on a 600 mcm copper?
475 amps, per NEC 310-16. Note that this is a maximum; there are many reasons to derate the current carrying capacity of the wire.
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 wire size should you use for 400 amps?
generally size 500 MCM, but there can be factors which would require up-sizing, such as high ambient temperature long run causing excessive voltage drop multiple circuits in same raceway
What size service cable is required for 120 volt 150 amp direct bury 400 feet single phase?
A 1000 MCM copper conductor will limit the voltage drop to 3% or less when supplying 150 amps for 400 feet on a 120 volt system.
Current-carrying capacity of 1000 mcm 5kv rated wire?
The UK wire tables for 1.0 mm2 three-core domestic cable (live/neutral/earth) specify a limit of 10 amps.
What size conductors to use for a 400 amp circuit?
A 500 MCM copper conductor with an insulation factor of 90 degrees C is rated at 430 amps. Parallel 3/0 copper conductors with an insulation factor of 90 degrees C will give a total capacity of 450 amps.
