{"id":1780,"date":"2026-03-18T08:02:33","date_gmt":"2026-03-17T22:02:33","guid":{"rendered":"https:\/\/secure.johnbarry.com.au\/blog\/?page_id=1780"},"modified":"2026-03-18T08:41:15","modified_gmt":"2026-03-17T22:41:15","slug":"lemo-faq","status":"publish","type":"page","link":"https:\/\/secure.johnbarry.com.au\/blog\/lemo-faq\/","title":{"rendered":"LEMO Connectors FAQ"},"content":{"rendered":"<style>#sp-ea-1788 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-1788.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-1788.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-1788.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-1788.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-1788.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1773786606\"><div id=\"sp-ea-1788\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17880\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17880\" aria-controls=\"collapse17880\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> I can\u2019t find the LEMO code I am looking for on your website<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17880\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17880\"> <div class=\"ea-body\"><p>LEMO manufactures over 90,000 versions of their connectors. While we can\u2019t display every code, if you\u2019re interested in pricing, you could consider a similar code with a different cable size. For example, you could look at\u00a0<a href=\"https:\/\/secure.johnbarry.com.au\/lemo-fgg-1k-4-pin-line-plug-lem-fgg1k304clac35\" data-type=\"link\" data-id=\"https:\/\/secure.johnbarry.com.au\/lemo-fgg-1k-4-pin-line-plug-lem-fgg1k304clac35\">FGG.1K.304.CLAC35<\/a>\u00a0instead of\u00a0<a href=\"https:\/\/secure.johnbarry.com.au\/lemo-fgg-1k-4-pin-line-plug-lem-fgg1k304clac50\" data-type=\"link\" data-id=\"https:\/\/secure.johnbarry.com.au\/lemo-fgg-1k-4-pin-line-plug-lem-fgg1k304clac50\">FGG.1K.304.CLAC50<\/a>. Alternatively, you can contact our LEMO sales team via email at lemo@johnbarry.com.au, and they will be happy to help you choose the right connector.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17881\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17881\" aria-controls=\"collapse17881\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> The website displays product details differently from the LEMO catalog. Which one is correct?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17881\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17881\"> <div class=\"ea-body\"><p>Despite our best efforts, changes or typographical errors may occur after the catalog is printed. If you notice any discrepancies, please report them by contacting\u00a0<a href=\"mailto:lemo@johnbarry.com.au\">lemo@johnbarry.com.au<\/a>.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17882\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17882\" aria-controls=\"collapse17882\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is a Cable Group?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17882\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17882\"> <div class=\"ea-body\"><p>LEMO\u2019s coaxial contacts are designed to accept a range of coaxial cables. A LEMO cable group describes the group of cables that are compatible with a particular contact. For example, the 2B.802 can work with cable group 1 (RG.174 A\/U, RG.188 A\/U, RG.316 \/U), group 2 (RG.178 B\/U, RG.196 A\/U) and group 3 (RG.179 B\/U, RG.187 A\/U). For more information, contact our LEMO sales team on\u00a0<a href=\"mailto:lemo@johnbarry.com.au\">lemo@johnbarry.com.au<\/a>.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17883\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17883\" aria-controls=\"collapse17883\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> In LEMO fibre optic connectors, what is a \u201cT-adapter\u201d?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17883\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17883\"> <div class=\"ea-body\"><p>The \u201cT-adapter\u201d is a component included with LEMO K series fiber optic connectors. It helps securely attach the cable jacket to the rear of the connector and enables an epoxy-type moisture seal, preventing moisture ingress into the cable from that junction. For more information, refer to the \u201cCable Fixing\u201d section in the Technical Library.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17884\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17884\" aria-controls=\"collapse17884\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How do I know if I have a LEMO Connector?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17884\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17884\"> <div class=\"ea-body\"><p>A LEMO plug is usually labeled with the LEMO name and the initial 5 characters of the part number, indicating the model, size, and series. For additional details, we have a blog post <a href=\"https:\/\/secure.johnbarry.com.au\/blog\/identifying-your-lemo-connector\/\">here<\/a> that can take you through simple identification steps, or you can download a comprehensive<a href=\"https:\/\/www.lemo.com\/sites\/default\/files\/\/ressources\/Plug%20id%20guide.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a0Plug Identification Guide<\/a>\u00a0. Similarly, a LEMO receptacle is typically marked with the LEMO name and the first 5 characters of the part number, denoting the model, size, and series, again refer to the comprehensive\u00a0<a href=\"https:\/\/www.lemo.com\/sites\/default\/files\/\/ressources\/Receptacle%20id%20guide.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Receptacle Identification Guide<\/a>.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17885\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17885\" aria-controls=\"collapse17885\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How do I order a LEMO plug with a bend relief?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17885\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17885\"> <div class=\"ea-body\"><p>Bend reliefs are ordered as separate items from plugs. They are available in various colors and with different inside diameters. When ordering a plug, look for the variant letter \u201c<strong>Z<\/strong>\u201d to the end of the part number to specify a rear collet nut with a lip designed to accept the bend relief.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17886\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17886\" aria-controls=\"collapse17886\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> I have further questions about LEMO products<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17886\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17886\"> <div class=\"ea-body\"><h4 class=\"wp-block-heading\">For more information, contact our LEMO sales team on\u00a0<a href=\"mailto:lemo@johnbarry.com.au\">lemo@johnbarry.com.au<\/a>.<\/h4><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17887\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17887\" aria-controls=\"collapse17887\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Where can I find out more technical information about my LEMO connector?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17887\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17887\"> <div class=\"ea-body\"><p>If available, we will link to the relevant Technical Data sheet in our product listing.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-17888\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse17888\" aria-controls=\"collapse17888\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Where are LEMO manufactured?<\/a><\/h3><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse17888\" data-parent=\"#sp-ea-1788\" role=\"region\" aria-labelledby=\"ea-header-17888\"> <div class=\"ea-body\"><p>LEMO are a Swiss company, and their connectors are manufactured in Switzerland.<\/p><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"LEMO FAQ: Answers to Common Questions About LEMO Connectors | John Barry Sales","_seopress_titles_desc":"Get clear, practical answers to the most common questions about LEMO connectors. Learn about series differences, applications, pin configurations, durability, IP ratings and more. Your complete LEMO FAQ guide from John Barry Sales.","_seopress_robots_index":"","footnotes":""},"class_list":["post-1780","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/pages\/1780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/comments?post=1780"}],"version-history":[{"count":4,"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/pages\/1780\/revisions"}],"predecessor-version":[{"id":1799,"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/pages\/1780\/revisions\/1799"}],"wp:attachment":[{"href":"https:\/\/secure.johnbarry.com.au\/blog\/wp-json\/wp\/v2\/media?parent=1780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}