{"id":99380,"date":"2026-05-18T06:00:50","date_gmt":"2026-05-17T20:30:50","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=99380"},"modified":"2026-05-18T06:15:46","modified_gmt":"2026-05-17T20:45:46","slug":"the-2-most-important-stickers-in-solar","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/the-2-most-important-stickers-in-solar\/","title":{"rendered":"The 2 Most Important Stickers In Solar"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-99385\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480.jpg\" alt=\"a switchboard with the green ES and PV stickers on the door\" width=\"1733\" height=\"907\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480.jpg 1733w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480-300x157.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480-1024x536.jpg 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480-768x402.jpg 768w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480-1536x804.jpg 1536w\" sizes=\"(max-width: 1733px) 100vw, 1733px\" \/><\/p>\n<p>Your solar and battery installation comes with a lot of stickers. Warning labels, voltage signs, shutdown procedures, danger signs, restricted access notices. The standards (AS\/NZS 5033 and AS\/NZS 5139) mandate a small library of signage.<\/p>\n<p>But two of those stickers matter more than all the others combined.<!--more--><\/p>\n<p>They&#8217;re both green. They&#8217;re both circular. They&#8217;re both reflective. And they both go in the same place: on your main switchboard.<\/p>\n<h2>Sticker #1: The Green &#8220;PV&#8221; Sign<\/h2>\n<p>AS\/NZS 5033:2021 Clause 5.4 requires every solar installation to have a circular green reflective sign, at least 100mm in diameter, with the letters &#8220;PV&#8221; on or immediately adjacent to the main metering panel and main switchboard. It must be readily visible to approaching emergency workers.<\/p>\n<p>Underneath &#8220;PV&#8221;, there&#8217;s a sub-code that tells you what kind of isolation the system has:<\/p>\n<ul>\n<li><strong>AC<\/strong> means low-voltage DC (under 120V) with panels close to the inverter. Lower risk. Think Enphase.<\/li>\n<li><strong>SW<\/strong> means there&#8217;s a load-break switch that can be flipped to isolate.<\/li>\n<li><strong>DP<\/strong> means there&#8217;s a disconnection point, that can be pulled apart. This is the most common.<\/li>\n<\/ul>\n<h2>Sticker #2: The Green &#8220;ES&#8221; Sign<\/h2>\n<p>AS\/NZS 5139:2019 Clause 7.3 requires every battery installation to have a circular green reflective sign, at least 100mm in diameter, with the letters &#8220;ES&#8221; (Energy Storage) on or immediately adjacent to the main metering panel and main switchboard. Again, readily visible to approaching emergency workers.<\/p>\n<p>Underneath &#8220;ES&#8221; goes the UN number for the battery chemistry:<\/p>\n<ul>\n<li>UN 3480 = Lithium-ion (including polymer)<\/li>\n<li>UN 3090 = Lithium metal<\/li>\n<li>UN 2794 = Flooded lead-acid<\/li>\n<li>UN 2800 = VRLA \/ AGM \/ gel<\/li>\n<li>UN 3496 = Nickel-metal hydride<\/li>\n<\/ul>\n<p>That UN number links to SAA\/SNZ HB 76, the reference guide that first responders use to figure out how to handle hazardous materials. Different chemistries mean different hazards: a lithium-ion thermal runaway is a very different beast to a lead-acid electrolyte spill<sup class='endnote'><a href='https:\/\/www.solarquotes.com.au\/blog\/the-2-most-important-stickers-in-solar\/#en-99380-1' id='enref-99380-1' onclick='return hhEndnotes_show(99380)'>1<\/a><\/sup>.<\/p>\n<h2>Why These Two Are The Most Important Labels On The Job<\/h2>\n<p>Every other label mandated by these standards gives you detail about a hazard you already know exists. The danger signs, the arc flash labels, the shutdown procedures, the toxic fume warnings, they&#8217;re all mounted on or near the battery system or inverter. They&#8217;re useful, but they all assume you&#8217;ve already found the equipment and you&#8217;re standing in front of it.<\/p>\n<p>The green PV and ES stickers are the only ones that tell you the hazard exists <em>in the first place.<\/em><\/p>\n<p>They sit at the one point every person interacting with the electrical installation will begin their work: the switchboard.<\/p>\n<h2>The Irony Of Getting It Backwards<\/h2>\n<p>Here&#8217;s what I see too often: an installer plasters the battery stack with every label in the kit, including the green ES sticker, then walks past the switchboard, packs up the van, and drives away.<\/p>\n<p>It&#8217;s like putting a &#8220;beware of dog&#8221; sign inside the dog&#8217;s kennel.<\/p>\n<div id=\"attachment_99381\" style=\"width: 772px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-99381\" class=\"size-full wp-image-99381\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/sungrow-wrong-es.jpg\" alt=\"sun grow battery with incorrect ES label\" width=\"762\" height=\"1008\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/sungrow-wrong-es.jpg 762w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/sungrow-wrong-es-227x300.jpg 227w\" sizes=\"(max-width: 762px) 100vw, 762px\" \/><p id=\"caption-attachment-99381\" class=\"wp-caption-text\">The round, green sticker should be on the switchboard.<\/p><\/div>\n<p>&nbsp;<\/p>\n<div id=\"attachment_99382\" style=\"width: 812px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-99382\" class=\"size-full wp-image-99382\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/fox-wrong-es.jpg\" alt=\"\" width=\"802\" height=\"1168\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/fox-wrong-es.jpg 802w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/fox-wrong-es-206x300.jpg 206w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/fox-wrong-es-703x1024.jpg 703w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/fox-wrong-es-768x1118.jpg 768w\" sizes=\"(max-width: 802px) 100vw, 802px\" \/><p id=\"caption-attachment-99382\" class=\"wp-caption-text\">For Fox sake.<\/p><\/div>\n<h2>Please, Just Stick Them On The Switchboard<\/h2>\n<p>These two green stickers are protecting firefighters, future sparkies, and homeowners for the next 20 years. They take two minutes to walk over and stick on the switchboard. That&#8217;s all anyone is asking. Two stickers, two minutes, and every person who ever interacts with that switchboard will know what they&#8217;re dealing with before they find out the hard way.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Your solar and battery installation comes with a lot of stickers. Warning labels, voltage signs, shutdown procedures, danger signs, restricted access notices. The standards (AS\/NZS 5033 and AS\/NZS 5139) mandate a small library of signage. But two of those stickers matter more than all the others combined.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[57],"tags":[],"class_list":["post-99380","post","type-post","status-publish","format-standard","hentry","category-solar-installation","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The 2 Most Important Stickers In Solar - SolarQuotes Blog<\/title>\n<meta name=\"description\" content=\"Australia\u2019s solar rules require two green reflective safety stickers on your switchboard. They\u2019re small, easy to miss, and far more important than most people realise.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.solarquotes.com.au\/blog\/the-2-most-important-stickers-in-solar\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The 2 Most Important Stickers In Solar\" \/>\n<meta property=\"og:description\" content=\"Australia\u2019s solar rules require two green reflective safety stickers on your switchboard. They\u2019re small, easy to miss, and far more important than most people realise.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/the-2-most-important-stickers-in-solar\/\" \/>\n<meta property=\"og:site_name\" content=\"SolarQuotes Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SolarQuotes\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-17T20:30:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-17T20:45:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2026\/05\/ES-UN-3480.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1733\" \/>\n\t<meta property=\"og:image:height\" content=\"907\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Finn Peacock\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@FinnPeacock\" \/>\n<meta name=\"twitter:site\" content=\"@solar_quotes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/\"},\"author\":{\"name\":\"Finn Peacock\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#\\\/schema\\\/person\\\/495c35fb3086e6ef93220dcf2472b178\"},\"headline\":\"The 2 Most Important Stickers In Solar\",\"datePublished\":\"2026-05-17T20:30:50+00:00\",\"dateModified\":\"2026-05-17T20:45:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/\"},\"wordCount\":593,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/ES-UN-3480.jpg\",\"articleSection\":[\"Solar Installation\"],\"inLanguage\":\"en-AU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/\",\"url\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/\",\"name\":\"The 2 Most Important Stickers In Solar - SolarQuotes Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/the-2-most-important-stickers-in-solar\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/ES-UN-3480.jpg\",\"datePublished\":\"2026-05-17T20:30:50+00:00\",\"dateModified\":\"2026-05-17T20:45:46+00:00\",\"description\":\"Australia\u2019s solar rules require two green reflective safety stickers on your switchboard. 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