{"id":6057,"date":"2026-10-21T08:46:26","date_gmt":"2026-10-21T05:46:26","guid":{"rendered":"https:\/\/wpcalc.com\/es\/ingenieria\/calculadora-llenado-conduit-nec\/"},"modified":"2026-10-21T08:46:26","modified_gmt":"2026-10-21T05:46:26","slug":"calculadora-llenado-conduit-nec","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/es\/ingenieria\/calculadora-llenado-conduit-nec\/","title":{"rendered":"Calculadora de llenado de tubo conduit (NEC)"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Comprueba el llenado del tubo conduit seg\u00fan tu lista de cables<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"6057\" data-favorite-title=\"Llenado de conduit\" data-favorite-url=\"https:\/\/wpcalc.com\/es\/ingenieria\/calculadora-llenado-conduit-nec\/\" data-favorite-excerpt=\"Comprueba el llenado del tubo conduit seg\u00fan el NEC para hasta seis grupos de conductores aislados. Selecciona el tipo de tubo y su tama\u00f1o nominal, y depois introduce el aislamiento, el calibre y la cantidad de cada grupo.\" aria-label=\"A\u00f1adir a favoritos\" data-favorite-icon=\"icon icon-electrical\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/es\/ingenieria\/calculadora-llenado-conduit-nec\/\" method=\"POST\" class=\"calculator\" id=\"calculator-6057\" data-post=\"6057\"><fieldset class=\"fieldset-input is-3\"><legend class=\"sr-only\">Campos de entrada<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Tipo de tubo<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"tipo_de_tubo\"><option value=\"emt\" selected>EMT<\/option><option value=\"rmc\">RMC<\/option><option value=\"pvc40\">PVC c\u00e9dula 40<\/option><option value=\"pvc80\">PVC c\u00e9dula 80<\/option><option value=\"fmc\">FMC<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">Tama\u00f1o comercial<\/label><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"tamao_comercial\"><option value=\"s12\" selected>1\/2 in<\/option><option value=\"s34\">3\/4 in<\/option><option value=\"s1\">1 in<\/option><option value=\"s114\">1-1\/4 in<\/option><option value=\"s112\">1-1\/2 in<\/option><option value=\"s2\">2 in<\/option><option value=\"s212\">2-1\/2 in<\/option><option value=\"s3\">3 in<\/option><option value=\"s312\">3-1\/2 in<\/option><option value=\"s4\">4 in<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"is-single field\" id=\"input-3\"><span class=\"font-semibold\">Cable 1<\/span><\/div><div class=\"field\" id=\"input-4\"><label for=\"field-4\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-4\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-5\"><label for=\"field-5\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-5\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-6\"><label for=\"field-6\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-6\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"3\"\/><\/div><div class=\"is-single field\" id=\"input-7\"><span class=\"font-semibold\">Cable 2<\/span><\/div><div class=\"field\" id=\"input-8\"><label for=\"field-8\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-8\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-9\"><label for=\"field-9\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-9\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-10\"><label for=\"field-10\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-10\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"0\"\/><\/div><div class=\"is-single field\" id=\"input-11\"><span class=\"font-semibold\">Cable 3<\/span><\/div><div class=\"field\" id=\"input-12\"><label for=\"field-12\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-12\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-13\"><label for=\"field-13\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-13\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-14\"><label for=\"field-14\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-14\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"0\"\/><\/div><div class=\"is-single field\" id=\"input-15\"><span class=\"font-semibold\">Cable 4<\/span><\/div><div class=\"field\" id=\"input-16\"><label for=\"field-16\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-16\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-17\"><label for=\"field-17\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-17\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-18\"><label for=\"field-18\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-18\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"0\"\/><\/div><div class=\"is-single field\" id=\"input-19\"><span class=\"font-semibold\">Cable 5<\/span><\/div><div class=\"field\" id=\"input-20\"><label for=\"field-20\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-20\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-21\"><label for=\"field-21\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-21\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-22\"><label for=\"field-22\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-22\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"0\"\/><\/div><div class=\"is-single field\" id=\"input-23\"><span class=\"font-semibold\">Cable 6<\/span><\/div><div class=\"field\" id=\"input-24\"><label for=\"field-24\">Aislamiento<\/label><div class=\"grid grid-cols-1\"><select id=\"field-24\" name=\"aislamiento\"><option value=\"thhn\" selected>THHN\/THWN-2<\/option><option value=\"xhhw\">XHHW-2<\/option><option value=\"thw\">THW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-25\"><label for=\"field-25\">Calibre del cable<\/label><div class=\"grid grid-cols-1\"><select id=\"field-25\" name=\"calibre_del_cable\"><option value=\"a14\">14 AWG<\/option><option value=\"a12\" selected>12 AWG<\/option><option value=\"a10\">10 AWG<\/option><option value=\"a8\">8 AWG<\/option><option value=\"a6\">6 AWG<\/option><option value=\"a4\">4 AWG<\/option><option value=\"a3\">3 AWG<\/option><option value=\"a2\">2 AWG<\/option><option value=\"a1\">1 AWG<\/option><option value=\"a1_0\">1\/0 AWG<\/option><option value=\"a2_0\">2\/0 AWG<\/option><option value=\"a3_0\">3\/0 AWG<\/option><option value=\"a4_0\">4\/0 AWG<\/option><option value=\"k250\">250 kcmil<\/option><option value=\"k300\">300 kcmil<\/option><option value=\"k350\">350 kcmil<\/option><option value=\"k400\">400 kcmil<\/option><option value=\"k500\">500 kcmil<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field\" id=\"input-26\"><label for=\"field-26\">Cantidad<\/label><input type=\"text\" name=\"cantidad\" id=\"field-26\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"0\"\/><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Recalcular\" id=\"calculate-button\" data-post=\"6057\">Calcular<\/button><button type=\"reset\">Restablecer<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calcular autom\u00e1ticamente<\/label><small>Si est\u00e1 activado, el resultado se actualizar\u00e1 autom\u00e1ticamente al cambiar cualquier valor.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Resultados del llenado del tubo<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>\u00c1rea total de los cables<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"in\u00b2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>\u00c1rea interna del tubo<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"in\u00b2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>Llenado del tubo<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"%\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-4\"><span class=\"field-title\"><span>Llenado m\u00e1ximo permitido<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"%\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-5\"><span class=\"field-title\"><span>Comprobaci\u00f3n del llenado<\/span><\/span><span class=\"field-value\" id=\"result-5\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-6\"><span class=\"field-title\"><span>Menor tama\u00f1o comercial que cumple<\/span><\/span><span class=\"field-value\" id=\"result-6\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-7\"><span class=\"field-title\"><span>N\u00famero m\u00e1ximo de cables id\u00e9nticos<\/span><\/span><span class=\"field-value\" id=\"result-7\" data-unit=\"cables\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-8\"><span class=\"field-title\"><span>Detalles del c\u00e1lculo<\/span><\/span><span class=\"field-value\" id=\"result-8\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copiar enlace a este c\u00e1lculo<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Dejar un comentario<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"6057\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">\u00bfQu\u00e9 te ha parecido este resultado?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Me gusta <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">\u00datil <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confuso <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Decepcionado <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Inexacto <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>F\u00f3rmula del llenado del tubo conduit<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">F\u00f3rmula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[\\begin{aligned}A_{\\mathrm{w}}&amp;=\\sum_i n_i a_i\\\\F&amp;=\\frac{A_{\\mathrm{w}}}{A_{\\mathrm{c}}}\\times100\\%\\end{aligned}\\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Donde:<\/strong><\/p>\n<ul>\n<li>\\(A_{\\mathrm{w}}\\) \u2014 \u00e1rea conjunta de todos los conductores (in\u00b2)<\/li>\n<li>\\(n_i\\) \u2014 cantidad de conductores de la fila \\(i\\)<\/li>\n<li>\\(a_i\\) \u2014 \u00e1rea de un conductor de la fila \\(i\\), incluido el aislamiento (in\u00b2)<\/li>\n<li>\\(A_{\\mathrm{c}}\\) \u2014 \u00e1rea interna del tubo seleccionado (in\u00b2)<\/li>\n<li>\\(F\\) \u2014 porcentaje del \u00e1rea del tubo ocupado por los conductores<\/li>\n<\/ul>\n<p>La calculadora suma las \u00e1reas de los conductores aislados introducidos y las divide por el \u00e1rea interna del tubo. Despu\u00e9s compara el resultado con el l\u00edmite de llenado del Cap\u00edtulo 9, Tabla 1 del NEC seg\u00fan el n\u00famero total de conductores: 53% para uno, 31% para dos o 40% para tres o m\u00e1s.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Llenado del tubo conduit: ejemplo de c\u00e1lculo<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Ejemplo:<\/strong> los datos que aparecen por defecto son tres conductores 12 AWG THHN\/THWN-2 en un tubo EMT de 1\/2 in. Cada conductor ocupa 0,0133 in\u00b2 y el \u00e1rea interna del EMT es de 0,304 in\u00b2.<\/p>\n<p>\\[A_{\\mathrm{w}}=3(0.0133)=0.0399\\ \\mathrm{in}^2\\]<\/p>\n<p>\\[F=\\frac{0.0399}{0.304}\\times100\\%=13.13\\%\\]<\/p>\n<p><strong>Resultado:<\/strong> un llenado del 13,13% queda por debajo del l\u00edmite del 40%, as\u00ed que el tubo seleccionado cumple. El tama\u00f1o nominal m\u00e1s peque\u00f1o de EMT que cumple en la calculadora es 1\/2 in; su capacidad m\u00e1xima para conductores id\u00e9nticos 12 AWG THHN\/THWN-2 es de nueve.<\/p>\n<p>\n\r\n<\/section>\n<h2>C\u00f3mo usar la calculadora<\/h2>\n<ol>\n<li>Elige el <strong>Tipo de tubo<\/strong> \u2014EMT, RMC, PVC C\u00e9dula 40, PVC C\u00e9dula 80 o FMC\u2014 y selecciona el <strong>Tama\u00f1o nominal<\/strong> previsto.<\/li>\n<li>En la <strong>Fila de conductores 1<\/strong>, elige el <strong>Aislamiento<\/strong> y el <strong>Calibre<\/strong> del conductor, y despu\u00e9s introduce su <strong>Cantidad<\/strong> como n\u00famero entero.<\/li>\n<li>Usa la <strong>Fila de conductores 2<\/strong> hasta la <strong>Fila de conductores 6<\/strong> para otras combinaciones de aislamiento y calibre. Deja la <strong>Cantidad<\/strong> de las filas sin usar en cero. Introduce al menos un conductor en total.<\/li>\n<li>Lee el <strong>\u00c1rea total de los conductores<\/strong>, el <strong>\u00c1rea interna del tubo<\/strong> y el <strong>Llenado del tubo<\/strong>. Compara el llenado con el <strong>Llenado m\u00e1ximo permitido<\/strong> y consulta la <strong>Comprobaci\u00f3n de llenado<\/strong> para ver si CUMPLE o NO CUMPLE.<\/li>\n<li>Si hace falta, revisa el <strong>Tama\u00f1o nominal m\u00e1s peque\u00f1o que cumple<\/strong> para el mismo tipo de tubo. Consulta el <strong>M\u00e1ximo de conductores id\u00e9nticos<\/strong> y los <strong>Detalles del c\u00e1lculo<\/strong> para ver c\u00f3mo se determin\u00f3 esa capacidad por separado.<\/li>\n<\/ol>\n<h2>Qu\u00e9 te dice el llenado del tubo conduit<\/h2>\n<p>El llenado del tubo conduit es la parte del \u00e1rea transversal interna de una tuber\u00eda ocupada por los conductores. El \u00e1rea que se considera para un conductor aislado incluye su aislamiento, no solo el alma met\u00e1lica. En una instalaci\u00f3n mixta, cada fila aporta su \u00e1rea por conductor multiplicada por su cantidad. La calculadora suma todas esas aportaciones antes de determinar el porcentaje de llenado.<\/p>\n<p>Seg\u00fan los l\u00edmites ordinarios del Cap\u00edtulo 9, Tabla 1 del NEC que se aplican aqu\u00ed, el porcentaje permitido depende del <em>n\u00famero total de conductores<\/em>, no del n\u00famero de calibres o filas distintas. Por ejemplo, tres conductores introducidos juntos en una fila y tres conductores repartidos en filas separadas usan ambos el l\u00edmite del 40%. Un resultado de CUMPLE significa que el \u00e1rea introducida no supera ese l\u00edmite para el tubo seleccionado; no supone una aprobaci\u00f3n de toda la instalaci\u00f3n el\u00e9ctrica.<\/p>\n<p>El <strong>Tama\u00f1o nominal m\u00e1s peque\u00f1o que cumple<\/strong> comprueba la misma distribuci\u00f3n de conductores contra los tama\u00f1os listados del tipo de tubo elegido, desde 1\/2 in hasta 4 in. Si ninguno cumple, el resultado dice \u00abNinguno hasta 4 in\u00bb. El <strong>M\u00e1ximo de conductores id\u00e9nticos<\/strong> responde a otra pregunta: cu\u00e1ntas copias de la primera fila con cantidad distinta de cero caben en el tubo seleccionado. Comprueba por separado los l\u00edmites de uno, dos y tres o m\u00e1s conductores. No es una capacidad adicional que quede disponible junto con una instalaci\u00f3n mixta.<\/p>\n<h2>Supuestos y comprobaciones pr\u00e1cticas<\/h2>\n<ul>\n<li>El c\u00e1lculo usa \u00e1reas internas de tubos y \u00e1reas de conductores aislados integradas en la calculadora para las opciones listadas. Confirma los valores aplicables con la edici\u00f3n del NEC adoptada en tu jurisdicci\u00f3n y con los productos realmente especificados para el trabajo.<\/li>\n<li>Se asume que se trata de conductores aislados individuales en un tramo de tuber\u00eda corriente. No eval\u00faa cables multiconductores, conductores desnudos ni disposiciones especiales de llenado, como las que pueden aplicarse a tramos cortos (nipples).<\/li>\n<li>Cuenta todos los conductores que ocupan la tuber\u00eda, incluidos los conductores de puesta a tierra de equipos aislados. Una fila con cantidad cero no aporta \u00e1rea y no afecta al recuento de conductores.<\/li>\n<li>El llenado es solo una comprobaci\u00f3n de dise\u00f1o. El ajuste de ampacidad de los conductores, la correcci\u00f3n por temperatura, los requisitos de instalaci\u00f3n de la tuber\u00eda y las condiciones de tendido pueden requerir una revisi\u00f3n aparte. Si vas a elegir conductores, usa la <a href=\"https:\/\/wpcalc.com\/es\/ingenieria\/calibre-de-cable\/\">calculadora de calibre de cable<\/a> como referencia relacionada; comprueba el circuito con la <a href=\"https:\/\/wpcalc.com\/es\/ingenieria\/dimensionado-interruptor-termomagnetico\/\">calculadora del tama\u00f1o del interruptor autom\u00e1tico<\/a> y eval\u00faa la longitud del tramo con la <a href=\"https:\/\/wpcalc.com\/es\/ingenieria\/caida-de-tension\/\">calculadora de ca\u00edda de tensi\u00f3n<\/a>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Comprueba el llenado del tubo conduit seg\u00fan el NEC para hasta seis grupos de conductores aislados. Selecciona el tipo de tubo y su tama\u00f1o nominal, y depois introduce el aislamiento, el calibre y la cantidad de cada grupo.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[10],"class_list":["post-6057","post","type-post","status-publish","format-standard","hentry","category-ingenieria","tag-electrica"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/posts\/6057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/comments?post=6057"}],"version-history":[{"count":0,"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/posts\/6057\/revisions"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/media?parent=6057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/categories?post=6057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/es\/wp-json\/wp\/v2\/tags?post=6057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}