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You can pull 10 #3 gauge wires in a 2 1/2" conduit.

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Q: What size conduit is correct for 10-3 gauge wire?
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What size conduit and aluminum wire for a 400 foot run on a 120 240 volt system?

The key parameter in sizing wire is the current requirement. Once you know that you can look up value in a wire gauge table. The length of the run is important for longer runs because of the resistance of the wire itself. Aluminum wire requires a larger diameter than copper for the same current. Once you calculate the wire size you can then size the conduit.


How big is 6 gauge wire?

The size of the wire is stated by its gauge under American Wire Gauge. Six gauge wire is size 6 AWG.


What is the correct gauge wire for a car radio?

The correct GAUGE wire is 28 for a car stereo.


What is the use of wire gauge?

Wire gauge is used to determine the size wire needed to carry the correct amount of current for the job. It must be sized appropriately for the current in the circuit you are building.


Explain wire size as opposed to gauge size?

see American Wire Gauge. The larger the number the small the wire size.


What size conduit do I need for 6 wire. Being hooked up to a spa?

The minimum size you can use is 3/4 conduit. The code allows for a maximum of 4 each # 6 gauge wires in a 3/4 inch pipe. You'll likely be running 3 ea # 6s, two hots and the neutral and a #10 ground wire.


What is the amp capability of 600 volt wire?

The current (amp) capability is determined by the wire size in gauge, rather than the voltage rating stamped on the insulation. The most basic rating is 20 Amps for 12 gauge and 15 Amps for 14 gauge wire; however, it can get more complex than that for long runs of wire or for wires run through conduit with other wires. Hire an electrician if this sounds bewildering.


What size conduit for 3 500 mcm wires?

The required size of a conduit raceway for a 3-5000 mcm wire is 300 kcmil. It maximizes the limits on the wire fill for raceways.


When do you derate wires in conduit I know the code says more than 3 current carrying conductors but is there a length of conduit run when you should start to derate?

There are two things here to keep in mind. If you are trying to add more conductors to an existing conduit run use the cross sectional area of the conduit to see if more wires can be fitted. The second thing that's relates to length is the voltage drop at the load. To size the conduit work backwards from the load amperage to size the wires. If a long distance is involved a voltage drop calculation will be needed. Then select the conduit size to accommodate the wires recommended for that load amperage. The length of conduit run is not brought into the equation on de rating wire size it is always about keeping the voltage up at the load end of the run by increasing the wire size and selecting the proper conduit size for that wire.


Can you run two 2 pole single phase circuits in the same conduit?

Yes, this only adds up to four wires. The wire sizing is dependant on the amperage of the two single phase loads. Remember to calculate the conduit fill of the four wires to make sure that you have the correct size conduit for the installation.


Is 14 gauge wire always ground?

Not always. You could have a conduit with 10 pairs of 14 gauge wire - not every wire in that bundle are going to be ground. Ground is usually identified as having a green coating on the wire ... sometimes it is just bare copper strands or a solid copper wire.


When is wire size and electrical hazard?

Wire size is the gauge (thickness of wire) hazard is almost anything not wired correctly.