What does the ampacity rating for #2 AWG wire represent?

The ampacity rating indicates the maximum current in amperes that a #2 gauge conductor can carry continuously without exceeding its temperature rating, based on NEC standards for safe electrical wiring installations.

How does AWG numbering relate to wire thickness?

In the American Wire Gauge system, a larger integer corresponds to a smaller diameter and thinner wire, so #2 AWG is thicker than #14 AWG but thinner than #1 AWG.

Can this chart be used for both copper and aluminum wires?

The AWG chart on Electrical Technology provides specifications for wire sizing, but ampacity values differ between copper and aluminum conductors, so users should verify material type for their specific application.

What other electrical calculations does this site offer alongside the AWG chart?

The site includes related tools for determining proper circuit breaker size and suitable cable/wire size through solved examples, helping users complete circuit design projects from start to finish.

ElectricalTool Review

#2 gauge wire

Provided byElectrical Technologyelectricaltechnology.org

This AWG chart includes a row for 2 AWG with diameter, cross‑sectional area, resistance, and ampacity. It serves as a...

One of 6 options for #2 gauge wire

Use This Tool

Screenshot of #2 gauge wire on Electrical Technology — electricaltechnology.orgOpen the live tool →

About this tool

What #2 gauge wire does

The #2 gauge wire resource on Electrical Technology provides a complete AWG chart lookup for this specific conductor size. It delivers essential specifications including diameter, cross-sectional area, resistance, and ampacity, serving as a reference for sizing cables in electrical wiring installations according to NEC standards. The page explains the AWG system's purpose in determining current-carrying capacity and physical dimensions for copper and aluminum conductors. Visitors can quickly find the technical data for #2 AWG wire alongside related tools for breaker sizing and cable selection. The site presents the information in a structured table format that organizes key electrical properties for easy reference. While the excerpt focuses on the AWG system generally, the specific #2 gauge row contains the detailed measurements electricians and DIYers need for safe circuit design. The resource functions as both an educational tool about wire gauging and a practical lookup table for installation projects.

Step by step

How to use the Electrical Technology #2 gauge wire

1
Open the Electrical Technology AWG chart page
2
Locate the row labeled 2 AWG in the wire size table
3
Read the diameter, cross-sectional area, resistance, and ampacity values listed
4
Apply the ampacity rating to determine safe circuit breaker sizing for your installation

Is it right for you

Best for

DIYers, electricians, and students who need quick, accurate specifications for #2 gauge wire without navigating complex engineering references.

Limitations

AWG sizing varies by conductor material (copper vs aluminum)
Ampacity values depend on installation method and temperature rating
No unit switching between AWG and metric wire sizes on this page

Questions

#2 gauge wire FAQ

What does the ampacity rating for #2 AWG wire represent?: The ampacity rating indicates the maximum current in amperes that a #2 gauge conductor can carry continuously without exceeding its temperature rating, based on NEC standards for safe electrical wiring installations.
How does AWG numbering relate to wire thickness?: In the American Wire Gauge system, a larger integer corresponds to a smaller diameter and thinner wire, so #2 AWG is thicker than #14 AWG but thinner than #1 AWG.
Can this chart be used for both copper and aluminum wires?: The AWG chart on Electrical Technology provides specifications for wire sizing, but ampacity values differ between copper and aluminum conductors, so users should verify material type for their specific application.
What other electrical calculations does this site offer alongside the AWG chart?: The site includes related tools for determining proper circuit breaker size and suitable cable/wire size through solved examples, helping users complete circuit design projects from start to finish.

Other Options

More #2 gauge wire tools

Compare all →