{"id":882825,"date":"2024-09-10T08:00:39","date_gmt":"2024-09-10T12:00:39","guid":{"rendered":"https:\/\/www.thecompliancecenter.com\/ca\/?p=882825"},"modified":"2025-09-08T01:42:33","modified_gmt":"2025-09-08T05:42:33","slug":"difference-between-overpacks-un-rated-4g-boxes","status":"publish","type":"post","link":"https:\/\/www.thecompliancecenter.com\/ca\/help-center\/articles\/difference-between-overpacks-un-rated-4g-boxes\/","title":{"rendered":"Difference Between Overpacks &amp; UN Rated 4G Boxes"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-882826\" src=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog.png\" alt=\"\" width=\"1000\" height=\"300\" srcset=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog.png 1000w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog-300x90.png 300w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog-768x230.png 768w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog-600x180.png 600w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog-190x57.png 190w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h2><strong>Difference Between Overpacks &amp; UN Rated 4G Boxes<\/strong><\/h2>\n<p>The use of Overpacks when shipping dangerous goods is often misunderstood. This article provides a better understanding of \u201c<a href=\"https:\/\/www.thecompliancecenter.com\/ca\/what-is-an-overpack\/\" target=\"_blank\" rel=\"noopener\">What is an Overpack?<\/a>\u201d.<\/p>\n<p>The term Overpack is defined by IATA as an enclosure used by a single shipper to contain one or more packages and to form one handling unit for convenience of handling and stowage. While the overpack itself isn\u2019t UN-rated, it is meant to contain one or more UN-rated packaging. From time to time, I\u2019ll receive a call from a customer asking for an overpack box to ship their dangerous goods. Sometimes, as I ask follow-up questions, we determine that they are actually looking for a UN-rated 4G box, and not an overpack. That\u2019s why it is crucial to understand the difference between a UN-rated box and an Overpack Box.<\/p>\n<h4><strong>Overpack Box vs 4G Box<\/strong><\/h4>\n<p>When shipping dangerous goods, it&#8217;s crucial to ensure proper packaging and containment. As you may know, there are times when UN rated packaging is required to ship your dangerous goods. As mentioned in <a href=\"https:\/\/www.thecompliancecenter.com\/ca\/un-testing-what-makes-a-4g-box-a-4g-box\/\" target=\"_blank\" rel=\"noopener\">my previous article<\/a>, this means that the packaging has been UN tested and has a UN specification marking on it.<\/p>\n<p>However, there may be other times where you are shipping an already UN tested packaging, such as a drum or jerrican, and you want to add a little bit of protection during the shipping process. One solution for this would be the use of overpack boxes for your UN-rated containers. Overpack boxes provide an additional layer of protection. For example, we sell an Overpack box called the PK-UPS below.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-380026 aligncenter\" src=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH-150x150.png\" alt=\"Overpack Box with die cut handles - 5 Gallon\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH-150x150.png 150w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH.png 300w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH-100x100.png 100w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH-140x140.png 140w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPSOPH-64x64.png 64w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n<p>This <a href=\"https:\/\/www.thecompliancecenter.com\/ca\/product-category\/packaging\/overpack-boxes\/\" target=\"_blank\" rel=\"noopener\">overpack box<\/a> is not UN-rated and is not considered a 4G box, so you won\u2019t see a UN Specification code printed on it. However, if you have a 5-gallon plastic or metal drum that is already UN rated, you can use this box to provide extra protection during your shipment and already has the required overpack marking and orientation arrows printed on it. These boxes come with or without die-cut handles.\u00a0Don\u2019t forget when using this box, all hazard class labels and markings must also be represented on the outside of the box as well as the inside UN rated container.<\/p>\n<p>Do you have questions about Overpacks? Take a look at our <a href=\"https:\/\/www.thecompliancecenter.com\/ca\/overpack-faq\/\" target=\"_blank\" rel=\"noopener\">FAQ<\/a> or contact our team of experts at 855.734.5469 or <a href=\"https:\/\/www.thecompliancecenter.com\/ca\/general-information-request\/\" target=\"_blank\" rel=\"noopener\">send us an email<\/a>, we\u2019re happy to help.<\/p>\n<h3><strong><a href=\"https:\/\/www.thecompliancecenter.com\/ca\/newsletter-signup\/\" target=\"_blank\" rel=\"noopener\">Stay up to date and sign up for our newsletter!<\/a><\/strong><\/h3>\n<p><em><strong>We have all the products, services and training you need to ensure your staff is properly trained and informed.<\/strong><\/em><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-thumbnail wp-image-861168\" src=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-150x150.png\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-150x150.png 150w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-300x300.png 300w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-100x100.png 100w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-140x140.png 140w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1.png 500w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-350x350.png 350w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-60x60.png 60w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-15SP-1-90x90.png 90w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><a href=\"https:\/\/www.thecompliancecenter.com\/ca\/product-category\/packaging\/4gv-boxes-variation\/\" target=\"_blank\" rel=\"noopener\">UN Packaging<\/a><\/td>\n<td style=\"text-align: center\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-thumbnail wp-image-380027\" src=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS-150x150.png\" alt=\"Overpack Box - 5 Gallon\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS-150x150.png 150w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS.png 300w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS-100x100.png 100w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS-140x140.png 140w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2020\/03\/PK-UPS-64x64.png 64w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><a href=\"https:\/\/www.thecompliancecenter.com\/ca\/product-category\/packaging\/overpack-boxes\/\" target=\"_blank\" rel=\"noopener\">Overpack<\/a><\/td>\n<td style=\"text-align: center\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-734739 aligncenter\" src=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-150x150.jpg 150w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-300x300.jpg 300w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-100x100.jpg 100w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-140x140.jpg 140w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-60x60.jpg 60w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-90x90.jpg 90w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l-64x64.jpg 64w, https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2021\/03\/pcbt10l.jpg 325w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><a href=\"https:\/\/www.thecompliancecenter.com\/ca\/product\/pc-bt10l\/\" target=\"_blank\" rel=\"noopener\">Jerrican<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Difference Between Overpacks &amp; UN Rated 4G Boxes The use of Overpacks when shipping dangerous goods is often misunderstood. This&#8230;<\/p>\n","protected":false},"author":12562,"featured_media":882826,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[2402,2494,3047,4000,4037,5072,5080,5090],"tags":[2362,2364,2429,2443,2455,2496,2574,2612,4010],"class_list":["post-882825","post","type-post","status-publish","format-standard","has-post-thumbnail","category-safety-2","category-iata-and-icao","category-packaging-updates","category-air-transport-popular-topic","category-compliance-training","category-workplace-safety","category-osha","category-industry-news-topics","tag-dangerous-goods","tag-hazmat","tag-regulations","tag-safety","tag-iata","tag-shipping","tag-hazardous-materials","tag-un-packaging","tag-dg-hazmat-labels"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Difference Between Overpacks &amp; UN Rated 4G Boxes | ICC<\/title>\n<meta name=\"description\" content=\"When shipping dangerous goods, it&#039;s crucial to ensure proper packaging and containment. 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Is an overpack right for your shipment?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thecompliancecenter.com\/ca\/help-center\/articles\/difference-between-overpacks-un-rated-4g-boxes\/\" \/>\n<meta property=\"og:site_name\" content=\"ICC Compliance Center Inc - Canada\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/compliancecenter\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-10T12:00:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-08T05:42:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thecompliancecenter.com\/ca\/wp-content\/uploads\/sites\/4\/2024\/09\/ICC_OverpackBoxes_June2024_Blog.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Michael Zendano\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ICC_Compliance\" \/>\n<meta name=\"twitter:site\" content=\"@ICC_Compliance\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Zendano\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/\"},\"author\":{\"name\":\"Michael Zendano\",\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/#\\\/schema\\\/person\\\/4b77ba12419e498bb93aca1b9e71049d\"},\"headline\":\"Difference Between Overpacks &amp; UN Rated 4G Boxes\",\"datePublished\":\"2024-09-10T12:00:39+00:00\",\"dateModified\":\"2025-09-08T05:42:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/\"},\"wordCount\":444,\"publisher\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2024\\\/09\\\/ICC_OverpackBoxes_June2024_Blog.png\",\"keywords\":[\"dangerous goods\",\"hazmat\",\"Regulations\",\"safety\",\"IATA\",\"shipping\",\"hazardous materials\",\"UN packaging\",\"DG HazMat Labels\"],\"articleSection\":[\"Safety\",\"IATA and ICAO\",\"UN Packaging\",\"Air Transport\",\"Compliance &amp; Training\",\"Workplace Safety\",\"OSHA\",\"Industry News\"],\"inLanguage\":\"en-CA\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/\",\"url\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/\",\"name\":\"Difference Between Overpacks & UN Rated 4G Boxes | ICC\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/difference-between-overpacks-un-rated-4g-boxes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2024\\\/09\\\/ICC_OverpackBoxes_June2024_Blog.png\",\"datePublished\":\"2024-09-10T12:00:39+00:00\",\"dateModified\":\"2025-09-08T05:42:33+00:00\",\"description\":\"When shipping dangerous goods, it's crucial to ensure proper packaging and containment. 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In addition, he has 8 years experience in teaching. Michael works at the Niagara Falls Office as the Regulatory Packaging Expert where he manages packaging projects and procedures and is a member of the Institute of Packaging Professionals (IOPP) and The Chemical Packaging Committee (CPC) . Degrees: M.S. Science of Education.\",\"url\":\"https:\\\/\\\/www.thecompliancecenter.com\\\/ca\\\/help-center\\\/articles\\\/author\\\/michael-zendano\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Difference Between Overpacks & UN Rated 4G Boxes | ICC","description":"When shipping dangerous goods, it's crucial to ensure proper packaging and containment. 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