[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-564075-105":3,"detail-sidebar-cat-1-en-105":81,"doc-detail-564075-en":127},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","table-4-dimensions-and-percent-area-of-conduit-and-tubing","Table 4 - Dimensions and Percent Area of Conduit and Tubing","","Table 4 presents dimensions and percent area calculations for electrical conduit and tubing types, aligned with allowable wire combinations referenced in Table 1 and Chapter 9. It lists metric designators and trade sizes with nominal internal diameters, then provides corresponding total internal area at 100% along with reduced percentages for 60%, 53%, 31%, and over-2-wires conditions. The table includes multiple conduit articles, including EMT, ENT, FMC, IMC, and LFNC-B, showing area values in both mm² and in.².",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/general/","General",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/table-4-dimensions-and-percent-area-of-conduit-and-tubing/564075/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/table-4-dimensions-and-percent-area-of-conduit-and-tubing/564075.png","ImageObject",442,249,{"name":42,"@type":43},"SANS","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-29","2026-10-12",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",8,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What information does Table 4 provide for conduit and tubing?","Question",{"text":63,"@type":64},"It provides nominal internal diameters and internal area values for each conduit/tubing type, including total area at 100% and reduced percentages used for different wire fill scenarios.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"Which percentage columns are included in the table?",{"text":68,"@type":64},"The table includes total area at 100%, plus values for 60% and wire-related percentages such as 53%, 31%, and over 2 wires at 40%.",{"name":70,"@type":61,"acceptedAnswer":71},"Which conduit article types are covered in this excerpt of Table 4?",{"text":72,"@type":64},"The excerpt includes Article 358 (EMT), Article 362 (ENT), Article 348 (FMC), Article 342 (IMC), and Article 356 (LFNC-B*).","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},564075,1792083780,{"code":4,"msg":82,"data":83},"success",[84,89,94,99,104,109,114,119,124],{"id":85,"doc_module":22,"doc_module_name":25,"category_name":86,"show_sort_weight":87,"slug":88},11,"Presentations",90,"presentations",{"id":90,"doc_module":22,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},12,"Resumes",80,"resumes",{"id":95,"doc_module":22,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},14,"Invoices",70,"invoices",{"id":100,"doc_module":22,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},15,"Posters",60,"posters",{"id":105,"doc_module":22,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},16,"Social Media",50,"social-media",{"id":110,"doc_module":22,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},17,"Forms",40,"forms",{"id":115,"doc_module":22,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},18,"Letters",30,"letters",{"id":120,"doc_module":22,"doc_module_name":25,"category_name":121,"show_sort_weight":122,"slug":123},21,"Paper Templates",5,"papers-templates",{"id":125,"doc_module":22,"doc_module_name":25,"category_name":29,"show_sort_weight":4,"slug":126},158,"general-158",{"code":4,"msg":82,"data":128},{"doc_id":79,"user_id":129,"nickname":42,"user_avatar":130,"doc_module":22,"category_id":125,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":33,"language":136,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":12,"update_tm":140,"read_time":26},962090760505,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Table 4 Dimensions and Percent Area of Conduit and Tubing  \n(Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9)  \n\n| Article 358—Electrical Metallic Tubing (EMT) |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Metric\u003Cbr>Designator | Trade\u003Cbr>Size | Nominal\u003Cbr>Internal\u003Cbr>Diameter |  | Total Area\u003Cbr>100% |  | 60% |  | 1 Wire\u003Cbr>53% |  | 2 Wires\u003Cbr>31% |  | Over 2 Wires\u003Cbr>40% |  |\n|  |  | mm | in. | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 |\n| 16 | 1⁄2 | 15.8 | 0.622 | 196 | 0.304 | 118 | 0.182 | 104 | 0.161 | 61 | 0.094 | 78 | 0.122 |\n| 21 | 3⁄4 | 20.9 | 0.824 | 343 | 0.533 | 206 | 0.320 | 182 | 0.283 | 106 | 0.165 | 137 | 0.213 |\n| 27 | 1 | 26.6 | 1.049 | 556 | 0.864 | 333 | 0.519 | 295 | 0.458 | 172 | 0.268 | 222 | 0.346 |\n| 35 | 11⁄4 | 35.1 | 1.380 | 968 | 1.496 | 581 | 0.897 | 513 | 0.793 | 300 | 0.464 | 387 | 0.598 |\n| 41 | 11⁄2 | 40.9 | 1.610 | 1314 | 2.036 | 788 | 1.221 | 696 | 1.079 | 407 | 0.631 | 526 | 0.814 |\n| 53 | 2 | 52.5 | 2.067 | 2165 | 3.356 | 1299 | 2.013 | 1147 | 1.778 | 671 | 1.040 | 866 | 1.342 |\n| 63 | 21⁄2 | 69.4 | 2.731 | 3783 | 5.858 | 2270 | 3.515 | 2005 | 3.105 | 1173 | 1.816 | 1513 | 2.343 |\n| 78 | 3 | 85.2 | 3.356 | 5701 | 8.846 | 3421 | 5.307 | 3022 | 4.688 | 1767 | 2.742 | 2280 | 3.538 |\n| 91 | 31⁄2 | 97.4 | 3.834 | 7451 | 11.545 | 4471 | 6.927 | 3949 | 6.119 | 2310 | 3.579 | 2980 | 4.618 |\n| 103 | 4 | 110.1 | 4.334 | 9521 | 14.753 | 5712 | 8.852 | 5046 | 7.819 | 2951 | 4.573 | 3808 | 5.901 |\n\nArticle 362—Electrical Nonmetallic Tubing (ENT)  \nDesignator  \nDesignator  \n\n| Metric | Trade\u003Cbr>Size | Nominal\u003Cbr>Internal\u003Cbr>Diameter |  | Total Area\u003Cbr>100% |  | 60% |  | 1 Wire\u003Cbr>53% |  | 2 Wires\u003Cbr>31% |  | Over 2 Wires\u003Cbr>40% |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  | mm | in. | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 |\n| 16 | 1⁄2 | 14.2 | 0.560 | 158 | 0.246 | 95 | 0.148 | 84 | 0.131 | 49 | 0.076 | 63 | 0.099 |\n| 21 | 3⁄4 | 19.3 | 0.760 | 293 | 0.454 | 176 | 0.272 | 155 | 0.240 | 91 | 0.141 | 117 | 0.181 |\n| 27 | 1 | 25.4 | 1.000 | 507 | 0.785 | 304 | 0.471 | 269 | 0.416 | 157 | 0.243 | 203 | 0.314 |\n| 35 | 11⁄4 | 34.0 | 1.340 | 908 | 1.410 | 545 | 0.846 | 481 | 0.747 | 281 | 0.437 | 363 | 0.564 |\n| 41 | 11⁄2 | 39.9 | 1.570 | 1250 | 1.936 | 750 | 1.162 | 663 | 1.026 | 388 | 0.600 | 500 | 0.774 |\n| 53 | 2 | 51.3 | 2.020 | 2067 | 3.205 | 1240 | 1.923 | 1095 | 1.699 | 641 | 0.993 | 827 | 1.282 |\n| 63 | 21⁄2 | — | — | — | — | — | — | — | — | — | — | — | — |\n| 78 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |\n| 91 | 31⁄2 | — | — | — | — | — | — | — | — | — | — | — | — |\n\nArticle 348—Flexible Metal Conduit (FMC)  \n\n| Metric | Trade\u003Cbr>Size | Nominal\u003Cbr>Internal\u003Cbr>Diameter |  | Total Area\u003Cbr>100% |  | 60% |  | 1 Wire\u003Cbr>53% |  | 2 Wires\u003Cbr>31% |  | Over 2 Wires\u003Cbr>40% |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  | mm | in. | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 | mm2 | in.2 |\n| 12 | 3⁄8 | 9.7 | 0.384 | 74 | 0.116 | 44 | 0.069 | 39 | 0.061 | 23 | 0.036 | 30 | 0.046 |\n| 16 | 1⁄2 | 16.1 | 0.635 | 204 | 0.317 | 122 | 0.190 | 108 | 0.168 | 63 | 0.098 | 81 | 0.127 |\n| 21 | 3⁄4 | 20.9 | 0.824 | 343 | 0.533 | 206 | 0.320 | 182 | 0.283 | 106 | 0.165 | 137 | 0.213 |\n| 27 | 1 | 25.9 | 1.020 | 527 | 0.817 | 316 | 0.490 | 279 | 0.433 | 163 | 0.253 | 211 | 0.327 |\n| 35 | 11⁄4 | 32.4 | 1.275 | 824 | 1.277 | 495 | 0.766 | 437 | 0.677 | 256 | 0.396 | 330 | 0.511 |\n| 41 | 11⁄2 | 39.1 | 1.538 | 1201 | 1.858 | 720 | 1.115 | 636 | 0.985 | 372 | 0.576 | 480 | 0.743 |\n| 53 | 2 | 51.8 | 2.040 | 2107 | 3.269 | 1264 | 1.961 | 1117 | 1.732 | 653 | 1.013 | 843 | 1.307 |\n| 63 | 21⁄2 | 63.5 | 2.500 | 3167 | 4.909 | 1900 | 2.945 | 1678 | 2.602 | 982 | 1.522 | 1267 | 1.963 |\n| 78 | 3 | 76.2 | 3.000 | 4560 | 7.069 | 2736 | 4.241 | 2417 | 3.746 | 1414","cbCait4aB59SFzHd","https://ap.wps.com/l/cbCait4aB59SFzHd","pdf",75393,"English","# Table 4 Dimensions and Percent Area of Conduit and Tubing\n## Article 358—Electrical Metallic Tubing (EMT)\n## Article 362—Electrical Nonmetallic Tubing (ENT)\n## Article 348—Flexible Metal Conduit (FMC)\n## Article 342—Intermediate Metal Conduit (IMC)\n## Article 356—Liquidtight Flexible Nonmetallic Conduit (LFNC-B*)","[{\"question\":\"What information does Table 4 provide for conduit and tubing?\",\"answer\":\"It provides nominal internal diameters and internal area values for each conduit/tubing type, including total area at 100% and reduced percentages used for different wire fill scenarios.\"},{\"question\":\"Which percentage columns are included in the table?\",\"answer\":\"The table includes total area at 100%, plus values for 60% and wire-related percentages such as 53%, 31%, and over 2 wires at 40%.\"},{\"question\":\"Which conduit article types are covered in this excerpt of Table 4?\",\"answer\":\"The excerpt includes Article 358 (EMT), Article 362 (ENT), Article 348 (FMC), Article 342 (IMC), and Article 356 (LFNC-B*).\"}]","Table 4 - Dimensions and Percent Area of Conduit and Tubing | PDF",1791840112]