{"id":4266,"date":"2024-02-27T14:10:18","date_gmt":"2024-02-27T20:10:18","guid":{"rendered":"https:\/\/www.dreiym.com\/?p=4266"},"modified":"2025-01-17T18:02:42","modified_gmt":"2025-01-18T00:02:42","slug":"lleihau-ynni-arc-nec-2023-240-87","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/","title":{"rendered":"NEC 240.87: Lleihau Ynni Arc"},"content":{"rendered":"<p>Canllaw i Weithwyr Proffesiynol Trydanol ar gyfer rhifyn NEC 2023.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Beth yw NEC 240.87?<\/h2>\n\n\n\n<p>Mae NEC 240.87 yn adran god yn y <a href=\"https:\/\/en.wikipedia.org\/wiki\/National_Electrical_Code\" title=\"\">Cod Trydanol Cenedlaethol (NEC<\/a>) sy&#039;n gofyn am ddulliau lleihau ynni arc ar gyfer torwyr cylched sydd wedi&#039;u graddio ar 1200 amp neu uwch. Ynni arc yw faint o wres a golau a gynhyrchir gan <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/06\/11\/sut-mae-fflachiadau-arc-yn-gysylltiedig-a-dadansoddiad-ac-archwiliadau-manwl-o-fethiannau-trydanol\/'>arc trydanol<\/a> nam, a all achosi difrod difrifol i offer a pherson\u00e9l. Mae dulliau lleihau ynni arc wedi&#039;u cynllunio i leihau hyd a dwyster nam arc, a thrwy hynny leihau&#039;r peryglon posibl.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pam mae NEC 240.87 yn bwysig?<\/h2>\n\n\n\n<p>Mae NEC 240.87 yn bwysig oherwydd ei fod yn mynd i&#039;r afael \u00e2 mater diogelwch difrifol yn <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2022\/07\/29\/3-rheswm-cyffredin-pam-mae-systemau-trydanol-yn-methu\/'>systemau trydanol<\/a>Gall namau arc ddigwydd oherwydd amryw o resymau, megis methiant inswleiddio, <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/28\/sut-i-osgoi-cysylltiadau-trydanol-rhydd-ac-atal-peryglon-tan\/'>cysylltiadau rhydd,<\/a> gwrthrychau tramor, neu gamgymeriad dynol. Pan fydd nam arc yn digwydd, gall gynhyrchu tymereddau hyd at 35,000 gradd Fahrenheit, a all doddi metel, tanio deunyddiau hylosg, ac achosi llosgiadau ac anafiadau difrifol. Gall namau arc hefyd greu tonnau pwysau a all rwygo drymiau clust, niweidio ysgyfaint, a chwalu ffenestri. Yn \u00f4l y Gymdeithas Genedlaethol Diogelu Rhag T\u00e2n (NFPA), mae namau arc yn gyfrifol am fwy na 2,000 o anafiadau a 400 o farwolaethau y flwyddyn yn yr Unol Daleithiau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Beth yw&#039;r dulliau lleihau ynni arc sy&#039;n ofynnol gan NEC 240.87?<\/h2>\n\n\n\n<p>Mae NEC 240.87 yn ei gwneud yn ofynnol i un o&#039;r dulliau lleihau ynni arc canlynol gael ei ddefnyddio ar gyfer torwyr cylched sydd wedi&#039;u graddio ar 1200 amp neu uwch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cydgloi parth-ddetholus (ZSI): Mae&#039;r dull hwn yn defnyddio signalau cyfathrebu rhwng torwyr cylched i gydlynu eu hamseroedd baglu ac ynysu&#039;r parth sydd \u00e2 nam cyn gynted \u00e2 phosibl. Gall ZSI leihau ynni&#039;r arc hyd at 50% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae ZSI angen torwyr cylched cydnaws a gwifrau rhyngddynt.<\/li>\n\n\n\n<li>Ail-gydosod gwahaniaethol: Mae&#039;r dull hwn yn defnyddio trawsnewidyddion cerrynt i fesur y gwahaniaeth rhwng y ceryntau sy&#039;n dod i mewn ac allan o dorrwr cylched a thripio&#039;r torrwr os yw&#039;r gwahaniaeth yn fwy na gwerth penodol. Gall ail-gydosod gwahaniaethol leihau egni&#039;r arc hyd at 80% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae ail-gydosod gwahaniaethol yn gofyn am drawsnewidyddion cerrynt a ail-gydosodwyr ychwanegol.<\/li>\n\n\n\n<li>Switsio cynnal a chadw sy&#039;n lleihau ynni gyda dangosydd statws lleol: Mae&#039;r dull hwn yn defnyddio switsh y gellir ei weithredu \u00e2 llaw i leihau trothwy baglu&#039;r torrwr cylched a golau sy&#039;n nodi statws y switsh. Gall switsio cynnal a chadw sy&#039;n lleihau ynni leihau ynni&#039;r arc hyd at 70% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae switsio cynnal a chadw sy&#039;n lleihau ynni yn gofyn am switsh a golau ar neu ger y torrwr cylched.<\/li>\n\n\n\n<li>System lliniaru fflach arc gweithredol sy&#039;n lleihau ynni: Mae&#039;r dull hwn yn defnyddio dyfais a all ganfod a diffodd nam arc trwy greu llwybr rhwystriant isel ar gyfer y cerrynt nam a chymhwyso foltedd gwrth i&#039;r arc. Gweithredol sy&#039;n lleihau ynni <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2020\/09\/08\/ffyrdd-o-leihau-digwyddiadau-fflach-arc\/'>gall system lliniaru fflach arc leihau<\/a> ynni&#039;r arc hyd at 90% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae angen dyfais a ffynhonnell p\u0175er ar system lliniaru fflach arc gweithredol sy&#039;n lleihau ynni.<\/li>\n\n\n\n<li>Gosod trip ar unwaith: Mae&#039;r dull hwn yn defnyddio torrwr cylched a all dripio o fewn un cylch neu lai o&#039;r cerrynt nam, gan gyrraedd gwerth rhagosodedig. Gall gosod trip ar unwaith leihau ynni&#039;r arc hyd at 40% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae gosod trip ar unwaith yn gofyn am dorrwr cylched gyda swyddogaeth trip ar unwaith addasadwy.<\/li>\n\n\n\n<li>Gor-reoleiddio ar unwaith: Mae&#039;r dull hwn yn defnyddio torrwr cylched a all oresgyn yr oedi amser arferol a thripio ar unwaith pan fydd y cerrynt nam yn fwy na lefel benodol. Gall gor-reoleiddio ar unwaith leihau egni&#039;r arc hyd at 60% o&#039;i gymharu \u00e2 chydlynu confensiynol. Mae gor-reoleiddio ar unwaith yn gofyn am dorrwr cylched gyda nodwedd gor-reoleiddio ar unwaith.<\/li>\n\n\n\n<li>Dulliau cyfatebol cymeradwy: Mae&#039;r dull hwn yn defnyddio unrhyw dechnoleg arall a all leihau ynni&#039;r arc i lefel islaw&#039;r ynni digwyddiadol ar y pellter gweithio. Gall dulliau cyfatebol cymeradwy amrywio yn eu perfformiad a&#039;u gofynion gosod. Rhaid i ddulliau cyfatebol cymeradwy gael eu cymeradwyo gan yr awdurdod sydd \u00e2&#039;r awdurdodaeth. Weithiau mae angen creadigrwydd, a gall cymhwyso swyddogaethau ail-gyhoeddi arbennig neu atebion peirianyddol eraill gyflawni&#039;r un canlyniadau neu well ar gyfer lleihau namau arc. Bydd hyn yn gofyn am gyfrifiadau peirianneg er mwyn cyflawni hyn. Ymgynghorwch \u00e2 <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/services\/pwer-trydanol\/astudiaethau-fflach-arc\/\" title=\"\">peiriannydd trydanol<\/a> i&#039;ch helpu gydag atebion eraill.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sut i gydymffurfio \u00e2 NEC 240.87?<\/h2>\n\n\n\n<p>Er mwyn cydymffurfio \u00e2 NEC 240.87, dylai gweithwyr proffesiynol trydanol ddilyn y camau hyn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nodwch y torwyr cylched sydd wedi&#039;u graddio ar 1200 amp neu uwch yn y system drydanol.<\/li>\n\n\n\n<li>Dewiswch a gosodwch un o&#039;r dulliau lleihau ynni arc ar gyfer pob torrwr cylched.<\/li>\n\n\n\n<li>Labelwch y torrwr cylched gyda&#039;r dull lleihau ynni arc a lleoliad y ddogfennaeth.<\/li>\n\n\n\n<li>Dogfennwch y dull lleihau ynni arc a gosodiadau&#039;r torrwr cylched.<\/li>\n\n\n\n<li>Profi a gwirio ymarferoldeb y dull lleihau ynni arc.<\/li>\n\n\n\n<li>Diweddaru&#039;r dadansoddiad perygl fflach arc a labeli fflach arc y system drydanol.<\/li>\n<\/ul>\n\n\n\n<p>Mae NEC 240.87 yn adran god sy&#039;n gofyn am ddulliau lleihau ynni arc ar gyfer torwyr cylched sydd wedi&#039;u graddio ar 1200 amp neu uwch. Ei nod yw gwella diogelwch <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/06\/11\/sut-mae-fflachiadau-arc-yn-gysylltiedig-a-dadansoddiad-ac-archwiliadau-manwl-o-fethiannau-trydanol\/'>systemau trydanol a lleihau&#039;r risgiau o arc<\/a> namau. Dylai gweithwyr proffesiynol trydanol fod yn gyfarwydd \u00e2&#039;r dulliau lleihau ynni arc a&#039;r camau i gydymffurfio \u00e2 NEC 240.87.<\/p>","protected":false},"excerpt":{"rendered":"<p>A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requires arc energy reduction methods for circuit breakers rated at 1200 amps or higher. Arc energy is the amount of heat and light produced by an electrical arc [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":4267,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":218,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-4266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requ\" \/>\n\t<meta name=\"robots\" content=\"noindex, nofollow, max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Angela Jones\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 4.9.6.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Dreiym Engineering PLLC \u00bb Electrical and Corrosion Experts\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"NEC 240.87: Arc Energy Reduction\" \/>\n\t\t<meta property=\"og:description\" content=\"A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requ\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1751\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1319\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-02-27T20:10:18+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-01-18T00:02:42+00:00\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#article\",\"name\":\"NEC 240.87: Arc Energy Reduction\",\"headline\":\"NEC 240.87: Arc Energy Reduction\",\"author\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/author\\\/angela\\\/#author\",\"@type\":\"Person\",\"name\":\"Angela Jones\"},\"publisher\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/circuit-breaker.jpg\",\"width\":1751,\"height\":1319},\"datePublished\":\"2024-02-27T14:10:18-06:00\",\"dateModified\":\"2025-01-17T18:02:42-06:00\",\"inLanguage\":\"cy\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#webpage\"},\"articleSection\":\"Electrical\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/categori\\\/trydanol\\\/#listItem\",\"name\":\"Electrical\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/categori\\\/trydanol\\\/#listItem\",\"position\":2,\"name\":\"Electrical\",\"item\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/categori\\\/trydanol\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#listItem\",\"name\":\"NEC 240.87: Arc Energy Reduction\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#listItem\",\"position\":3,\"name\":\"NEC 240.87: Arc Energy Reduction\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/categori\\\/trydanol\\\/#listItem\",\"name\":\"Electrical\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#organization\",\"name\":\"Dreiym Engineering PLLC\",\"description\":\"Electrical and Corrosion Experts\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/\",\"email\":\"contact@dreiym.com\",\"telephone\":\"+18666216920\",\"foundingDate\":\"2014-07-11\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":2,\"maxValue\":10},\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/logo.svg\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#organizationLogo\",\"width\":272,\"height\":99},\"image\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/dreiym-engineering-pllc\\\/\"],\"address\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#postaladdress\",\"@type\":\"PostalAddress\",\"streetAddress\":\"2028 E Ben White Blvd, #240-1500\",\"postalCode\":\"77331\",\"addressLocality\":\"Austin\",\"addressRegion\":\"Texas\",\"addressCountry\":\"US\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/author\\\/angela\\\/#author\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/author\\\/angela\\\/\",\"name\":\"Angela Jones\",\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/angela-jones.jpeg\"},\"description\":\"Angela Jones\\u00a0is a seasoned professional with over 20 years of experience in her field. She has worked on numerous high-profile projects across the globe. Angela began her career at a renowned firm, where she quickly rose through the ranks due to her innovative ideas and exceptional problem-solving skills. Her expertise lies in project management and she has been instrumental in the success of several major initiatives. Angela is passionate about inspiring the next generation of professionals. She frequently gives talks at universities and conferences, sharing her experiences and insights with aspiring professionals. In her spare time, Angela enjoys painting and hiking. She believes that a connection with nature fuels her creativity and helps her think outside the box in her work. She currently resides in Austin, Texas, with her two dogs, Bolt and Sparky.\",\"jobTitle\":\"Administrative Assistant\",\"alumniOf\":[{\"@type\":\"EducationalOrganization\",\"name\":\"Washington State University\",\"sameAs\":\"www.wsu.edu\"}],\"knowsAbout\":[{\"@type\":\"Thing\",\"name\":\"Electrical Engineering\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/consulting-areas\\\/electrical-power\\\/\"},{\"@type\":\"Thing\",\"name\":\"Cathodic Protection\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/consulting-areas\\\/corrosion\\\/cathodic-protection\\\/\"},{\"@type\":\"Thing\",\"name\":\"Forensic Engineering\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/consulting-areas\\\/forensic-consulting\\\/\"},{\"@type\":\"Thing\",\"name\":\"Fire Investigation\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/consulting-areas\\\/forensic-consulting\\\/fire-explosion\\\/\"},{\"@type\":\"Thing\",\"name\":\"Corrosion\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/consulting-areas\\\/corrosion\\\/\"}],\"knowsLanguage\":[\"english\"]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#webpage\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/\",\"name\":\"NEC 240.87: Arc Energy Reduction\",\"description\":\"A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requ\",\"inLanguage\":\"cy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/author\\\/angela\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/author\\\/angela\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/circuit-breaker.jpg\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#mainImage\",\"width\":1751,\"height\":1319},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/2024\\\/02\\\/27\\\/lleihau-ynni-arc-nec-2023-240-87\\\/#mainImage\"},\"datePublished\":\"2024-02-27T14:10:18-06:00\",\"dateModified\":\"2025-01-17T18:02:42-06:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#website\",\"url\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/\",\"name\":\"Dreiym Engineering, PLLC\",\"description\":\"Electrical and Corrosion Experts\",\"inLanguage\":\"cy\",\"publisher\":{\"@id\":\"https:\\\/\\\/vm6fr4whzn6.c.updraftclone.com\\\/cy\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO Pro -->\r\n\t\t<title>NEC 240.87: Arc Energy Reduction<\/title>\n\n","aioseo_head_json":{"title":"NEC 240.87: Lleihau Ynni Arc","description":"Canllaw i Weithwyr Proffesiynol Trydanol ar gyfer rhifyn NEC 2023. Beth yw NEC 240.87? Mae NEC 240.87 yn adran god yn y Cod Trydanol Cenedlaethol (NEC) sy&#039;n gofyn am","canonical_url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/","robots":"noindex, nofollow, max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#article","name":"NEC 240.87: Arc Energy Reduction","headline":"NEC 240.87: Arc Energy Reduction","author":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/author\/angela\/#author","@type":"Person","name":"Angela Jones"},"publisher":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg","width":1751,"height":1319},"datePublished":"2024-02-27T14:10:18-06:00","dateModified":"2025-01-17T18:02:42-06:00","inLanguage":"cy","mainEntityOfPage":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#webpage"},"isPartOf":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#webpage"},"articleSection":"Electrical"},{"@type":"BreadcrumbList","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy#listItem","position":1,"name":"Home","item":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy","nextItem":{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/#listItem","name":"Electrical"}},{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/#listItem","position":2,"name":"Electrical","item":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/","nextItem":{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#listItem","name":"NEC 240.87: Arc Energy Reduction"},"previousItem":{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#listItem","position":3,"name":"NEC 240.87: Arc Energy Reduction","previousItem":{"@type":"ListItem","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/#listItem","name":"Electrical"}}]},{"@type":"Organization","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#organization","name":"Dreiym Engineering PLLC","description":"Electrical and Corrosion Experts","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/","email":"contact@dreiym.com","telephone":"+18666216920","foundingDate":"2014-07-11","numberOfEmployees":{"@type":"QuantitativeValue","minValue":2,"maxValue":10},"logo":{"@type":"ImageObject","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/08\/logo.svg","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#organizationLogo","width":272,"height":99},"image":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#organizationLogo"},"sameAs":["https:\/\/www.linkedin.com\/company\/dreiym-engineering-pllc\/"],"address":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#postaladdress","@type":"PostalAddress","streetAddress":"2028 E Ben White Blvd, #240-1500","postalCode":"77331","addressLocality":"Austin","addressRegion":"Texas","addressCountry":"US"}},{"@type":"Person","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/author\/angela\/#author","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/author\/angela\/","name":"Angela Jones","image":{"@type":"ImageObject","url":"http:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/angela-jones.jpeg"},"description":"Angela Jones\u00a0is a seasoned professional with over 20 years of experience in her field. She has worked on numerous high-profile projects across the globe. Angela began her career at a renowned firm, where she quickly rose through the ranks due to her innovative ideas and exceptional problem-solving skills. Her expertise lies in project management and she has been instrumental in the success of several major initiatives. Angela is passionate about inspiring the next generation of professionals. She frequently gives talks at universities and conferences, sharing her experiences and insights with aspiring professionals. In her spare time, Angela enjoys painting and hiking. She believes that a connection with nature fuels her creativity and helps her think outside the box in her work. She currently resides in Austin, Texas, with her two dogs, Bolt and Sparky.","jobTitle":"Administrative Assistant","alumniOf":[{"@type":"EducationalOrganization","name":"Washington State University","sameAs":"www.wsu.edu"}],"knowsAbout":[{"@type":"Thing","name":"Electrical Engineering","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/consulting-areas\/electrical-power\/"},{"@type":"Thing","name":"Cathodic Protection","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/consulting-areas\/corrosion\/cathodic-protection\/"},{"@type":"Thing","name":"Forensic Engineering","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/consulting-areas\/forensic-consulting\/"},{"@type":"Thing","name":"Fire Investigation","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/consulting-areas\/forensic-consulting\/fire-explosion\/"},{"@type":"Thing","name":"Corrosion","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/consulting-areas\/corrosion\/"}],"knowsLanguage":["english"]},{"@type":"WebPage","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#webpage","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/","name":"NEC 240.87: Arc Energy Reduction","description":"A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requ","inLanguage":"cy","isPartOf":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#website"},"breadcrumb":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#breadcrumblist"},"author":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/author\/angela\/#author"},"creator":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/author\/angela\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#mainImage","width":1751,"height":1319},"primaryImageOfPage":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/#mainImage"},"datePublished":"2024-02-27T14:10:18-06:00","dateModified":"2025-01-17T18:02:42-06:00"},{"@type":"WebSite","@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#website","url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/","name":"Dreiym Engineering, PLLC","description":"Electrical and Corrosion Experts","inLanguage":"cy","publisher":{"@id":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/#organization"}}]},"og:locale":"en_US","og:site_name":"Dreiym Engineering PLLC \u00bb Electrical and Corrosion Experts","og:type":"article","og:title":"NEC 240.87: Arc Energy Reduction","og:description":"A Guide for Electrical Professionals for the 2023 NEC edition. What is NEC 240.87? NEC 240.87 is a code section in the National Electrical Code (NEC) that requ","og:url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/","og:image":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg","og:image:secure_url":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/circuit-breaker.jpg","og:image:width":1751,"og:image:height":1319,"article:published_time":"2024-02-27T20:10:18+00:00","article:modified_time":"2025-01-18T00:02:42+00:00"},"aioseo_meta_data":{"post_id":"4266","title":null,"description":null,"keywords":[],"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":[],"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"seo_analyzer_scan_date":"2025-08-14 16:12:28","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"open_ai":"{\"title\":{\"suggestions\":[],\"usage\":0},\"description\":{\"suggestions\":[],\"usage\":0}}","ai":null,"created":"2024-02-27 20:10:21","updated":"2025-08-14 16:12:28"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/\" title=\"Electrical\">Electrical<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\tNEC 240.87: Arc Energy Reduction\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy"},{"label":"Electrical","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/categori\/trydanol\/"},{"label":"NEC 240.87: Arc Energy Reduction","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2024\/02\/27\/lleihau-ynni-arc-nec-2023-240-87\/"}],"_links":{"self":[{"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/posts\/4266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/comments?post=4266"}],"version-history":[{"count":0,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/posts\/4266\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/media\/4267"}],"wp:attachment":[{"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/media?parent=4266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/categories?post=4266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/wp-json\/wp\/v2\/tags?post=4266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}