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Free calculator · NEC cited · works offline

60 Amp Wire Size

60 amp wire size is quick to find with WireGaugeCalc, since the calculator reads the NEC 310.16 ampacity table for you.

You select copper or aluminum and the termination temperature column, so the gauge matches the breaker and the lugs.

You get the minimum conductor in seconds, so the feeder or subpanel run is sized right the first time.

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Wire size calculator
Free · offline

Smallest conductor whose ampacity meets the load, NEC Table 310.16. Field aid only, verify against the current NEC and your local authority having jurisdiction.

What Gauge For A 60 Amp Circuit

The gauge for a 60 amp circuit is usually 6 AWG copper at the 75 degree C column, since 6 AWG copper carries 65 amps and covers the 60 amp setting.

Aluminum runs larger, so 4 AWG aluminum is the common match for that material.

The calculator confirms the gauge against the table, so you avoid undersizing a 60 amp feeder.

How The 60 Amp Wiresize Is Set

The result follows clear inputs:

  • Conductor material, since copper carries more per gauge than aluminum
  • Termination temperature, commonly 75 degrees C for feeders and subpanels
  • The 60 amp breaker rating the conductor must equal or exceed
  • NEC 310.16 ampacity for the chosen gauge
  • Run length, which can require an upsize for voltage drop

One app for every NEC calculation

WireGaugeCalc keeps the calculations you reach for most in one place:

  • Voltage drop and wire sizing for any run
  • Conduit fill for EMT, PVC, and RMC
  • Box fill and junction box sizing
  • Ampacity and temperature derating
  • Motor circuit and load calculations
  • Conduit bend offsets and saddles

Built for the field, works offline

The whole app runs on your phone, so it keeps working in a basement, an attic, or a job site with no signal.

There is no account to create and nothing to load. Open it, run the number, and get back to work.

  • No signup and no signal needed
  • Answers in a tap, not a spreadsheet
  • Same tool on phone, tablet, and desktop

Every result cites the NEC article

Each answer shows the table or formula it came from, so you can check the method and learn the code as you go.

That makes the app useful on the job and during exam prep, since the reasoning is right next to the number.

Switch the code year your job runs on

Jurisdictions adopt the NEC at different times, so you can match the calculation to the code in force:

  • NEC 2017, 2020, and 2023 tables
  • Copper and aluminum conductors
  • 60, 75, and 90 degree C terminations
  • Single-phase and three-phase systems

Run the number, then get back to work

Stop flipping through a paper book or hopping between calculator sites. Enter your values, read the code-cited answer, and move on. Free to use, no signup.

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Frequently asked questions

Is 8 AWG copper enough for a 60 amp circuit?

No, 8 AWG copper carries 50 amps at 75 degrees C, which is below 60 amps. Use 6 AWG copper for a standard 60 amp circuit.

What size aluminum wire for a 60 amp subpanel?

A 60 amp subpanel commonly uses 4 AWG aluminum at the 75 degree C column. Verify the size against the current NEC and your local authority having jurisdiction before installing.

Is WireGaugeCalc free to use?

Yes. Every calculator is free to run with no signup. A paid tier adds saved projects, PDF reports, and extra code years, but the core math stays free.

Does it work without internet?

Yes. The app runs on your device, so it keeps working with no signal on a job site, in a basement, or in an attic.

Are the results code accurate?

Results follow published NEC tables and standard formulas, and each answer shows the article it came from. It is a field aid, not a stamp of approval, so verify against the current code and your local authority before you wire anything.

Which NEC code year does it use?

You can switch between NEC 2017, 2020, and 2023, since jurisdictions adopt the code at different times. Pick the year your job runs on.