{"id":9731,"date":"2025-06-20T10:35:41","date_gmt":"2025-06-20T02:35:41","guid":{"rendered":"https:\/\/totcables.com\/?p=9731"},"modified":"2025-06-20T10:35:41","modified_gmt":"2025-06-20T02:35:41","slug":"how-to-calculate-amps-amperes-a-beginners-guide","status":"publish","type":"post","link":"https:\/\/totcables.com\/?p=9731","title":{"rendered":"How to Calculate Amps (Amperes): A Beginner\u2019s Guide"},"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;If you\u2019re wondering how to calculate amps for your home circuit, appliance, or wiring project, you\u2019re not alone. Whether you&#8217;re working with batteries, AC systems, or selecting the right wire size, knowing how to determine electrical current (in amperes or amps) is essential.&#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\/how-to-calculate-amps.webp|512|1024|9732&#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;<\/p>\n<p data-start='417' data-end='701'>If you\u2019re wondering <strong data-start='437' data-end='462'>how to calculate amps<\/strong> for your home circuit, appliance, or wiring project, you\u2019re not alone. Whether you&#8217;re working with batteries, AC systems, or selecting the right wire size, knowing how to determine electrical current (in <strong data-start='667' data-end='686'>amperes or amps<\/strong>) is essential.<\/p>\n<p>\\n\\n\\n<div id=\"attachment_9732\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-9732\" class='size-medium wp-image-9732' src='https:\/\/totcables.com\/wp-content\/uploads\/2025\/06\/how-to-calculate-amps-300x150.webp' alt='how to calculate amps' width='300' height='150'><p id=\"caption-attachment-9732\" class=\"wp-caption-text\">how to calculate amps<\/p><\/div>\\n\\n<\/p>\n<hr data-start='703' data-end='706'>\\n\\n<\/p>\n<h2 data-start='708' data-end='728'>\u26a1 What Is an Amp?<\/h2>\n<p>\\n<\/p>\n<p data-start='730' data-end='895'>An <strong data-start='733' data-end='749'>ampere (amp)<\/strong> is the unit of <strong data-start='765' data-end='785'>electric current<\/strong>\u2014it tells you how much electricity is flowing through a wire. The higher the amps, the more current is moving.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='897' data-end='900'>\\n\\n<\/p>\n<h2 data-start='902' data-end='939'>\ud83e\uddee Basic Formula to Calculate Amps<\/h2>\n<p>\\n<\/p>\n<p data-start='941' data-end='988'>The standard formula is based on <strong data-start='974' data-end='987'>Ohm\u2019s Law<\/strong>:<\/p>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=VRI = \\\\frac{V}{R}<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'><span class='mord mathnormal'>R<\/span><span class='mord mathnormal'>V<\/span><\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<p data-start='1013' data-end='1021'>Where:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='1022' data-end='1130'>\\n \\t<\/p>\n<li data-start='1022' data-end='1062'>\\n\n<p data-start='1024' data-end='1062'><span class='katex'><span class='katex-mathml'>II<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><\/span><\/span><\/span> = current in <strong data-start='1045' data-end='1060'>amperes (A)<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1063' data-end='1096'>\\n\n<p data-start='1065' data-end='1096'><span class='katex'><span class='katex-mathml'>VV<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>V<\/span><\/span><\/span><\/span> = <strong data-start='1075' data-end='1086'>voltage<\/strong> (volts)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1097' data-end='1130'>\\n\n<p data-start='1099' data-end='1130'><span class='katex'><span class='katex-mathml'>RR<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>R<\/span><\/span><\/span><\/span> = <strong data-start='1109' data-end='1123'>resistance<\/strong> (ohms)<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<p data-start='1132' data-end='1208'>This is useful for basic circuits like battery-powered devices or resistors.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='1210' data-end='1213'>\\n\\n<\/p>\n<h2 data-start='1215' data-end='1262'>\ud83d\udd0c How to Calculate Amps Using Power (Watts)<\/h2>\n<p>\\n<\/p>\n<p data-start='1264' data-end='1323'>Another common method is using <strong data-start='1295' data-end='1306'>wattage<\/strong> and <strong data-start='1311' data-end='1322'>voltage<\/strong>:<\/p>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=PVI = \\\\frac{P}{V}<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'><span class='mord mathnormal'>V<\/span><span class='mord mathnormal'>P<\/span><\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<p data-start='1348' data-end='1356'>Where:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='1357' data-end='1449'>\\n \\t<\/p>\n<li data-start='1357' data-end='1388'>\\n\n<p data-start='1359' data-end='1388'><span class='katex'><span class='katex-mathml'>PP<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>P<\/span><\/span><\/span><\/span> = <strong data-start='1369' data-end='1378'>power<\/strong> (watts)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1389' data-end='1422'>\\n\n<p data-start='1391' data-end='1422'><span class='katex'><span class='katex-mathml'>VV<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>V<\/span><\/span><\/span><\/span> = <strong data-start='1401' data-end='1412'>voltage<\/strong> (volts)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1423' data-end='1449'>\\n\n<p data-start='1425' data-end='1449'><span class='katex'><span class='katex-mathml'>II<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><\/span><\/span><\/span> = current (amps)<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='1451' data-end='1465'>\u2705 Example:<\/h3>\n<p>\\n<\/p>\n<p data-start='1466' data-end='1506'>If a heater uses 1200W and runs on 120V:<\/p>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=1200120=10AI = \\\\frac{1200}{120} = 10A<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'>1201200<\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'>10<\/span><span class='mord mathnormal'>A<\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<p data-start='1542' data-end='1574'>So the heater draws <strong data-start='1562' data-end='1573'>10 amps<\/strong>.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='1576' data-end='1579'>\\n\\n<\/p>\n<h2 data-start='1581' data-end='1611'>\ud83d\udd04 DC vs AC Amp Calculation<\/h2>\n<p>\\n<\/p>\n<h3 data-start='1613' data-end='1644'>1. <strong data-start='1620' data-end='1644'>DC (Direct Current):<\/strong><\/h3>\n<p>\\n<\/p>\n<p data-start='1645' data-end='1666'>Use the same formula:<\/p>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=PVI = \\\\frac{P}{V}<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'><span class='mord mathnormal'>V<\/span><span class='mord mathnormal'>P<\/span><\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<h3 data-start='1690' data-end='1717'>2. <strong data-start='1697' data-end='1717'>Single-Phase AC:<\/strong><\/h3>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=PV\u00d7PFI = \\\\frac{P}{V \\\\times PF}<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'><span class='mord mathnormal'>V<\/span><span class='mbin'>\u00d7<\/span><span class='mord mathnormal'>PF<\/span><span class='mord mathnormal'>P<\/span><\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<ul data-start='1751' data-end='1846'>\\n \\t<\/p>\n<li data-start='1751' data-end='1803'>\\n\n<p data-start='1753' data-end='1803'><span class='katex'><span class='katex-mathml'>PFPF<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>PF<\/span><\/span><\/span><\/span> = Power Factor (usually between 0.8 to 1)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='1804' data-end='1846'>\\n\n<p data-start='1806' data-end='1846'>For resistive loads like heaters, PF \u2248 1<\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n<\/p>\n<h3 data-start='1848' data-end='1874'>3. <strong data-start='1855' data-end='1874'>Three-Phase AC:<\/strong><\/h3>\n<p>\\n<span class='katex-display'><span class='katex'><span class='katex-mathml'>I=P3\u00d7V\u00d7PFI = \\\\frac{P}{\\\\sqrt{3} \\\\times V \\\\times PF}<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'><span class='mfrac'><span class='vlist-t vlist-t2'><span class='vlist-r'><span class='vlist'><span class='mord sqrt'><span class='svg-align'>3<\/span><span class='vlist-s'>\u200b<\/span><\/span><span class='mbin'>\u00d7<\/span><span class='mord mathnormal'>V<\/span><span class='mbin'>\u00d7<\/span><span class='mord mathnormal'>PF<\/span><span class='mord mathnormal'>P<\/span><\/span><span class='vlist-s'>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\\n<\/p>\n<p data-start='1924' data-end='1990'>Use this in industrial settings or for motors and heavy machinery.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='1992' data-end='1995'>\\n\\n<\/p>\n<h2 data-start='1997' data-end='2030'>\ud83e\udde0 Why Amp Calculation Matters<\/h2>\n<p>\\n<\/p>\n<p data-start='2032' data-end='2076'>Knowing the current (amps) is essential for:<\/p>\n<p>\\n\\n<\/p>\n<ul data-start='2078' data-end='2249'>\\n \\t<\/p>\n<li data-start='2078' data-end='2135'>\\n\n<p data-start='2080' data-end='2135'><strong data-start='2080' data-end='2112'>Choosing the right wire size<\/strong> (to avoid overheating)<\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2136' data-end='2175'>\\n\n<p data-start='2138' data-end='2175'><strong data-start='2138' data-end='2175'>Sizing circuit breakers and fuses<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2176' data-end='2205'>\\n\n<p data-start='2178' data-end='2205'><strong data-start='2178' data-end='2205'>Estimating energy usage<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n \\t<\/p>\n<li data-start='2206' data-end='2249'>\\n\n<p data-start='2208' data-end='2249'><strong data-start='2208' data-end='2249'>Preventing overloads and fire hazards<\/strong><\/p>\n<p>\\n<\/li>\n<p>\\n<\/ul>\n<p>\\n\\n<\/p>\n<hr data-start='2251' data-end='2254'>\\n\\n<\/p>\n<h2 data-start='2256' data-end='2283'>\ud83d\udcca Quick Reference Table<\/h2>\n<p>\\n<\/p>\n<div class='_tableContainer_16hzy_1'>\\n<\/p>\n<div class='_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse' tabindex='-1'>\\n<\/p>\n<table class='w-fit min-w-(--thread-content-width)' data-start='2285' data-end='2684'>\\n<\/p>\n<thead data-start='2285' data-end='2363'>\\n<\/p>\n<tr data-start='2285' data-end='2363'>\\n<\/p>\n<th data-start='2285' data-end='2295' data-col-size='sm'>Voltage<\/th>\n<p>\\n<\/p>\n<th data-start='2295' data-end='2303' data-col-size='sm'>Power<\/th>\n<p>\\n<\/p>\n<th data-start='2303' data-end='2334' data-col-size='md'>How to Calculate Amps<\/th>\n<p>\\n<\/p>\n<th data-start='2334' data-end='2363' data-col-size='md'>Example Calculation<\/th>\n<p>\\n<\/tr>\n<p>\\n<\/thead>\n<p>\\n<\/p>\n<tbody data-start='2443' data-end='2684'>\\n<\/p>\n<tr data-start='2443' data-end='2521'>\\n<\/p>\n<td data-start='2443' data-end='2453' data-col-size='sm'>120V DC<\/td>\n<p>\\n<\/p>\n<td data-col-size='sm' data-start='2453' data-end='2461'>240W<\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2461' data-end='2492'><span class='katex'><span class='katex-mathml'>I=P\/VI = P \/ V<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord mathnormal'>P<\/span><span class='mord'>\/<\/span><span class='mord mathnormal'>V<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2492' data-end='2521'><span class='katex'><span class='katex-mathml'>240\/120=2A240 \/ 120 = 2A<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord'>240\/120<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'>2<\/span><span class='mord mathnormal'>A<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='2522' data-end='2600'>\\n<\/p>\n<td data-start='2522' data-end='2532' data-col-size='sm'>220V AC<\/td>\n<p>\\n<\/p>\n<td data-col-size='sm' data-start='2532' data-end='2540'>2200W<\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2540' data-end='2571'><span class='katex'><span class='katex-mathml'>I=P\/(V\u00d7PF)I = P \/ (V \u00d7 PF)<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord mathnormal'>P<\/span><span class='mord'>\/<\/span><span class='mopen'>(<\/span><span class='mord mathnormal'>V<\/span><span class='mbin'>\u00d7<\/span><\/span><span class='base'><span class='mord mathnormal'>PF<\/span><span class='mclose'>)<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2571' data-end='2600'><span class='katex'><span class='katex-mathml'>2200\/(220\u00d71)=10A2200 \/ (220\u00d71) = 10A<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord'>2200\/<\/span><span class='mopen'>(<\/span><span class='mord'>220<\/span><span class='mbin'>\u00d7<\/span><\/span><span class='base'><span class='mord'>1<\/span><span class='mclose'>)<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord'>10<\/span><span class='mord mathnormal'>A<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/tr>\n<p>\\n<\/p>\n<tr data-start='2601' data-end='2684'>\\n<\/p>\n<td data-start='2601' data-end='2611' data-col-size='sm'>380V 3\u03c6<\/td>\n<p>\\n<\/p>\n<td data-col-size='sm' data-start='2611' data-end='2619'>6600W<\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2619' data-end='2650'><span class='katex'><span class='katex-mathml'>I=P\/(\u221a3\u00d7V\u00d7PF)I = P \/ (\u221a3 \u00d7 V \u00d7 PF)<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord mathnormal'>I<\/span><span class='mrel'>=<\/span><\/span><span class='base'><span class='mord mathnormal'>P<\/span><span class='mord'>\/<\/span><span class='mopen'>(<\/span><span class='mord'>\u221a3<\/span><span class='mbin'>\u00d7<\/span><\/span><span class='base'><span class='mord mathnormal'>V<\/span><span class='mbin'>\u00d7<\/span><\/span><span class='base'><span class='mord mathnormal'>PF<\/span><span class='mclose'>)<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/p>\n<td data-col-size='md' data-start='2650' data-end='2684'><span class='katex'><span class='katex-mathml'>6600\/(1.732\u00d7380)\u224810A6600 \/ (1.732\u00d7380) \u2248 10A<\/span><span class='katex-html' aria-hidden='true'><span class='base'><span class='mord'>6600\/<\/span><span class='mopen'>(<\/span><span class='mord'>1.732<\/span><span class='mbin'>\u00d7<\/span><\/span><span class='base'><span class='mord'>380<\/span><span class='mclose'>)<\/span><span class='mrel'>\u2248<\/span><\/span><span class='base'><span class='mord'>10<\/span><span class='mord mathnormal'>A<\/span><\/span><\/span><\/span><\/td>\n<p>\\n<\/tr>\n<p>\\n<\/tbody>\n<p>\\n<\/table>\n<p>\\n<\/p>\n<div class='sticky end-(--thread-content-margin) h-0 self-end select-none'>\\n<\/p>\n<div class='absolute end-0 flex items-end'><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n<\/p><\/div>\n<p>\\n\\n<\/p>\n<hr data-start='2686' data-end='2689'>\\n\\n<\/p>\n<h2 data-start='2691' data-end='2725'>\ud83e\uddee Bonus: Online Amp Calculator<\/h2>\n<p>\\n<\/p>\n<p data-start='2727' data-end='2857'>You can also use a free <strong data-start='2751' data-end='2770'>amps calculator<\/strong> by inputting voltage and wattage \u2014 perfect for quick checks on appliances or circuits.<\/p>\n<p>\\n\\n\\n<\/p>\n<hr data-start='2859' data-end='2862'>\\n\\n<\/p>\n<h2 data-start='2864' data-end='2907'>\ud83d\udce6 Need Help Matching Amps to Wire Size?<\/h2>\n<p>\\n<\/p>\n<p data-start='2909' data-end='3116'>At <strong data-start='2912' data-end='2932'>TOT Wire &amp; Cable<\/strong>, we offer expert support and ready-stock cables for various amp ratings. 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