{"id":9030,"date":"2025-06-10T15:42:06","date_gmt":"2025-06-10T07:42:06","guid":{"rendered":"https:\/\/totcables.com\/?p=9030"},"modified":"2025-06-10T15:42:29","modified_gmt":"2025-06-10T07:42:29","slug":"2-awg-copper-wire-amp-rating","status":"publish","type":"post","link":"https:\/\/totcables.com\/?p=9030","title":{"rendered":"2 AWG Copper Wire Amp Rating"},"content":{"rendered":"<p>{&#8220;main-title&#8221;:{&#8220;component&#8221;:&#8221;hc_title&#8221;,&#8221;id&#8221;:&#8221;main-title&#8221;,&#8221;title&#8221;:&#8221;&#8221;,&#8221;subtitle&#8221;:&#8221;2 AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C to 75\u00b0C&#8221;,&#8221;title_content&#8221;:{&#8220;component&#8221;:&#8221;hc_title_image&#8221;,&#8221;id&#8221;:&#8221;title-image&#8221;,&#8221;image&#8221;:&#8221;https:\/\/totcables.com\/wp-content\/uploads\/2025\/06\/2-AWG-Copper-Wire-Amp-Rating.webp|400|400|9031&#8243;,&#8221;full_screen&#8221;:false,&#8221;full_screen_height&#8221;:&#8221;&#8221;,&#8221;parallax&#8221;:false,&#8221;bleed&#8221;:&#8221;&#8221;,&#8221;ken_burn&#8221;:&#8221;&#8221;,&#8221;overlay&#8221;:&#8221;transparent-dark&#8221;,&#8221;breadcrumbs&#8221;:true,&#8221;white&#8221;:true,&#8221;position&#8221;:&#8221;&#8221;}},&#8221;section_5ZtkF&#8221;:{&#8220;component&#8221;:&#8221;hc_section&#8221;,&#8221;id&#8221;:&#8221;section_5ZtkF&#8221;,&#8221;section_width&#8221;:&#8221;&#8221;,&#8221;animation&#8221;:&#8221;&#8221;,&#8221;animation_time&#8221;:&#8221;&#8221;,&#8221;timeline_animation&#8221;:&#8221;&#8221;,&#8221;timeline_delay&#8221;:&#8221;&#8221;,&#8221;timeline_order&#8221;:&#8221;&#8221;,&#8221;vertical_row&#8221;:&#8221;&#8221;,&#8221;box_middle&#8221;:&#8221;&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;section_content&#8221;:[{&#8220;component&#8221;:&#8221;hc_column&#8221;,&#8221;id&#8221;:&#8221;column_vtfQF&#8221;,&#8221;column_width&#8221;:&#8221;col-md-12&#8243;,&#8221;animation&#8221;:&#8221;&#8221;,&#8221;animation_time&#8221;:&#8221;&#8221;,&#8221;timeline_animation&#8221;:&#8221;&#8221;,&#8221;timeline_delay&#8221;:&#8221;&#8221;,&#8221;timeline_order&#8221;:&#8221;&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;main_content&#8221;:[{&#8220;component&#8221;:&#8221;hc_wp_editor&#8221;,&#8221;id&#8221;:&#8221;Xhugf&#8221;,&#8221;css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_classes&#8221;:&#8221;&#8221;,&#8221;custom_css_styles&#8221;:&#8221;&#8221;,&#8221;editor_content&#8221;:&#8221;2 AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C to 75\u00b0C .\\n\\n<div id=\"attachment_9031\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-9031\" class='size-medium wp-image-9031' src='https:\/\/totcables.com\/wp-content\/uploads\/2025\/06\/2-AWG-Copper-Wire-Amp-Rating-300x300.webp' alt='2 AWG Copper Wire Amp Rating' width='300' height='300'><p id=\"caption-attachment-9031\" class=\"wp-caption-text\">2 AWG Copper Wire&nbsp;<\/p><\/div>\\n<\/p>\n<h2>What Is 2 AWG Copper Wire?<\/h2>\n<p>\\n<\/p>\n<p data-start='702' data-end='788'>2 AWG (American Wire Gauge) copper wire is a thick, heavy-duty wire commonly used for:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='790' data-end='945'>\\n \\t<\/p>\n<li data-start='790' data-end='812'>\\n\n<p data-start='792' data-end='812'>Main feeder circuits<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='813' data-end='825'>\\n\n<p data-start='815' data-end='825'>Sub-panels<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='826' data-end='890'>\\n\n<p data-start='828' data-end='890'>High-amperage appliances (e.g., HVAC systems, electric ranges)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='891' data-end='920'>\\n\n<p data-start='893' data-end='920'>Solar PV system connections<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='921' data-end='945'>\\n\n<p data-start='923' data-end='945'>Industrial motor feeds<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p data-start='947' data-end='1030'>Its larger diameter means <strong data-start='973' data-end='1015'>lower resistance and less voltage drop<\/strong> over distance.<\/p>\n<p>\\n<strong>Specific NEC Ratings by Temperature:<\/strong>\\n<\/p>\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>60\u00b0C (140\u00b0F)<\/strong>: 115 amperes<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>75\u00b0C (167\u00b0F)<\/strong>: 130 amperes<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>90\u00b0C (194\u00b0F)<\/strong>: 145 amperes<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p class='whitespace-normal break-words'><strong>Installation Method Impact:<\/strong><\/p>\n<p>\\n\\n<\/p>\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>In conduit\/raceway<\/strong>: Standard ratings apply (115-130A)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Free air installation<\/strong>: Higher ampacity possible (up to 155A)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Direct burial<\/strong>: Similar to conduit ratings with soil considerations<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Cable tray<\/strong>: May allow higher ampacity depending on spacing<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p class='whitespace-normal break-words'><strong>Key Factors Affecting Ampacity:<\/strong><\/p>\n<p>\\n\\n<\/p>\n<ol class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-decimal space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Insulation Type:<\/strong>\\n\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>THWN\/THHN: 75\u00b0C rating (130A)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>XHHW: 90\u00b0C rating (145A)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>TW: 60\u00b0C rating (115A)<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Ambient Temperature Derating:<\/strong>\\n\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>Above 30\u00b0C (86\u00b0F): Apply derating factors<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>40\u00b0C: Multiply by 0.88<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>50\u00b0C: Multiply by 0.75<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'><strong>Conductor Bundling:<\/strong>\\n\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>4-6 conductors: 80% of rated capacity<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>7-9 conductors: 70% of rated capacity<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/li>\n<p>\\n<\/ol>\n<p>\\n<\/p>\n<p class='whitespace-normal break-words'><strong>Common Applications for 2 AWG Copper:<\/strong><\/p>\n<p>\\n\\n<\/p>\n<ul class='[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-1.5 pl-7'>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>Sub-panel feeders (100-125A panels)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>Large appliance circuits (electric ranges, large AC units)<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>EV charging stations<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>Pool and spa equipment<\/li>\n<p>\\n \\t<\/p>\n<li class='whitespace-normal break-words'>Small commercial feeders<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p class='whitespace-normal break-words'><strong>Safety Note:<\/strong> Always consult the current National Electrical Code (NEC) and local electrical codes for your specific application, as requirements may vary based on installation conditions and local amendments.<\/p>\n<p>&#8220;}]}],&#8221;section_settings&#8221;:&#8221;&#8221;},&#8221;scripts&#8221;:{},&#8221;css&#8221;:{},&#8221;css_page&#8221;:&#8221;&#8221;,&#8221;template_setting&#8221;:{&#8220;settings&#8221;:{&#8220;id&#8221;:&#8221;settings&#8221;}},&#8221;template_setting_top&#8221;:{},&#8221;page_setting&#8221;:{&#8220;settings&#8221;:[&#8220;lock-mode-off&#8221;]},&#8221;post_type_setting&#8221;:{&#8220;settings&#8221;:{&#8220;image&#8221;:&#8221;https:\/\/totcables.com\/wp-content\/uploads\/2025\/06\/2-AWG-Copper-Wire-Amp-Rating.webp|400|400|9031&#8243;,&#8221;excerpt&#8221;:&#8221;2 AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C to 75\u00b0C&#8221;,&#8221;extra_1&#8243;:&#8221;&#8221;,&#8221;extra_2&#8243;:&#8221;&#8221;,&#8221;icon&#8221;:{&#8220;icon&#8221;:&#8221;&#8221;,&#8221;icon_style&#8221;:&#8221;&#8221;,&#8221;icon_image&#8221;:&#8221;&#8221;}}}}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;main-title&#8221;:{&#8220;component&#8221;:&#8221;hc_title&#8221;,&#8221;id&#8221;:&#8221;main-title&#8221;,&#8221;title&#8221;:&#8221;&#8221;,&#8221;subtitle&#8221;:&#8221;2 AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C to 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AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9031,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[34],"class_list":["post-9030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-wire-size-amperage-chart"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2 AWG Copper Wire Amp Rating<\/title>\n<meta name=\"description\" content=\"2 AWG copper wire can typically carry an ampacity of about 115 to 130 amps, with this range applicable when the wire operates at temperatures between 60\u00b0C to 75\u00b0C\" \/>\n<meta name=\"robots\" content=\"index, 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