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What Size Wire for 60 Amps?

For 60 amps with the displayed 75 C termination defaults, start with 6 AWG copper or 4 AWG aluminum. This is the common 48 A EVSE landing and the last page before the feeder/subpanel band begins.
Load
60 A
Distance
0 ft entered
Band
Appliance / mid branch
Defaults
Non-continuous, 75 C lugs, 86 F, 240 V single-phase
Conductor count
3 current-carrying

Computed Starting Point

The table uses common defaults. Change the calculator inputs for the actual installation.

MaterialComputed sizeOCPDUsable ampacityGoverning constraintDefault check
Copper6 AWG60 A65 ATermination rated 75 CPasses defaults
Aluminum4 AWG60 A65 ATermination rated 75 CPasses defaults
What Size Wire for 60 Amps? under common non-continuous defaults: THHN or XHHW-2 insulation, 75 C terminations, 86 F ambient, 240 V single-phase, no more than three current-carrying conductors, and 0 ft route length entered.

What 60 A ChangesAt 60 A, the page is a real conductor jump from the 50 A answer. It is also the common endpoint of the 48 A EVSE continuous-load calculation; if the load itself is 60 A continuous, rerun the calculator with continuous load enabled instead of using this non-continuous default.

Run the wire size calculator

Adjacent Amp Ratings

See whether stepping one standard size up or down forces a conductor jump under the same defaults.

LoadCopper sizeCopper OCPDAluminum sizeAluminum OCPD
50 A8 AWG50 A6 AWG50 A
60 A (this page)6 AWG60 A4 AWG60 A
70 A4 AWG70 A3 AWG70 A
Copper and aluminum starting sizes for 60 A and the neighboring published amp pages, under the same defaults as the result above.

A plateau means neighboring amp ratings share a conductor size under these defaults. A jump means a standard breaker change often needs a larger wire; confirm with your real ambient, length and terminations.

60 A Is the EVSE and Mid-Feeder Landing

Appliance / mid branch context for a 60 A circuit.

A 60 A wire-size search often comes from a 48 A EV charger setting, hot-tub or spa equipment, a larger range, a welder circuit, or a small subpanel. It is still close to appliance work, but it also starts to look like feeder planning.

Under the displayed 75 C termination defaults, 60 A moves up from the 50 A page to 6 AWG copper and 4 AWG aluminum. Both rows show 65 A of usable ampacity, which is enough for the displayed 60 A case but not permission to skip marked-terminal, derating or continuous-load checks.

What Changes This Answer

Checks that can change the starting conductor under the displayed defaults.

  • Separate 48 A EVSE from 60 A load

    A 48 A charger setting maps to a 60 A circuit after multiplying by 125 percent. A true 60 A continuous load is a different input and needs its own calculation.

  • Watch the 50 A to 60 A conductor jump

    The adjacent 50 A page shows 8 AWG copper and 6 AWG aluminum. This 60 A page moves both materials larger under the same defaults.

  • Check equipment instructions and capacity

    A correct 60 A branch conductor does not prove the panel, service or equipment listing is satisfied. EVSE and spa work also needs the installation instructions, nameplate, GFCI method and load calculation.

  • Derating can erase the margin

    The rendered rows show 65 A usable ampacity before project-specific derating. Hot ambient conditions or many current-carrying conductors can force the next size.

  • Confirm the marked terminal temperature

    The direct answer assumes 75 C terminations. Equipment limited to 60 C can force a larger conductor even when the 75 C default row passes.

60 Amp Wire Size FAQs

What size wire for 60 amps?
Under the 75 C termination defaults on this page, start with 6 AWG copper or 4 AWG aluminum. Both rows show 65 A usable ampacity with a 60 A overcurrent device, but equipment limited to 60 C can force a larger conductor.
Why does 60 A need larger wire than 50 A?
Under the same defaults, the 50 A page shows 8 AWG copper and 6 AWG aluminum. Moving to 60 A pushes the result to 6 AWG copper and 4 AWG aluminum.
Is 60 A the right circuit for a 48 A EV charger?
Usually yes when the EVSE is configured for 48 A and the installation instructions allow it, because continuous-load sizing uses 125 percent. The panel load calculation still has to pass.
Should I use the 70 A page instead for extra capacity?
Only when the load calculation, equipment rating and overcurrent device require 70 A. The adjacent page moves into feeder/subpanel territory under this site's published sequence.