How Do You View an NEC Wire Size Chart?


Quick Answer

To access the NEC Table for wire size and amp information, visit HouWire.com. The website offers a chart showing temperature ratings of conductors according to size and material, whether it is aluminum or copper-based.

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Full Answer

To find the NEC wire chart, select Products from the HouWire.com website, and select Technical Reference. Choose a table from the list of available charts; all charts offer different forms of information depending on what you are seeking. Available charts include: Conductors for General Wiring, Flexible Cords and Cables and Fixture Wires. Wire sizes for all charts are listed on both the left and right side of the table, along with the ampacity of all cable types. The website also provides a metric conversion chart for all wires from AWG to metric, along with a Material Temperature Comparisons chart that lists the nominal temperature range for various insulating and jacketing compounds.

After selecting a link to view a chart, select a chart from the subcategories. A description of each chart's information is listed along the table name. Visitors can view the chart in a separate window after clicking on a particular wire size chart, or download the chart by selecting the PDF Version link from the top right corner of the page.

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