Mcm wire size chart11/28/2023 ![]() ![]() *Data provided on this page is subject to change based on different manufacturers variances. Nylon Jacket Thickness: 0.200 mm / 0.008 inches ![]() Stranded, uncoated copper conductors per ASTM-B3, ASTM-B787 and ASTM-B8Ĭolor-coded Polyvinyl Chloride (PVC), heat and moisture-resistant, flame-retardant compound per UL-1063 and UL-8 ![]() Institute of Electrical and Electronics Engineers This table lists the minimum sizes of grounding conductors for grounding raceways and equipment. Online Calculators and Tables to Help You Determine Proper Wire Size. All sizes are rated gasoline and oil-resistant II.Ī tough, polyamide, Nylon outer covering per UL-1063 and UL-83. This chart displays the size of a ground conductor for a circuit based on the ampere rating of the circuit protection devices. Applications requiring Type AWM conductor is appropriate for use at temperatures to not exceed 105☌ in dry locations.Ĭopper wire, THWN, building wire, hook up wire, conduit wire, bathtub wire, lighting wire, nylon copper wire, construction cable, etc. Applications requiring Type MTW conductor is appropriate for use in dry locations at 90☌, or not to exceed 60☌ in wet locations or where exposed to oils or coolants. Applications requiring Type THHN or THWN-2, the conductor is appropriate for use in wet or dry locations at temperatures not to exceed 90☌ or not to exceed 75☌ in oil or coolants. Type THHN/THWN-2 building wire is intended for general purpose applications as defined by the National Electrical Code (NEC). Type THHN-THWN-2 is permitted for new construction or rewiring for 600-volt applications. Start Various tables and charts indicate conductor ampacity, temperature correction factors, and adjustment factors in NFPA 70®, National Electrical Code® (NEC®). Enter the desired footage in the QTY box. ![]()
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