{"id":2610,"date":"2024-12-26T09:59:35","date_gmt":"2024-12-26T09:59:35","guid":{"rendered":"https:\/\/mestekinstruments.com\/?post_type=product&p=2610"},"modified":"2026-01-09T08:11:49","modified_gmt":"2026-01-09T08:11:49","slug":"st06","status":"publish","type":"product","link":"https:\/\/mestekinstruments.com\/zh\/product\/socket-tester\/st06\/","title":{"rendered":"US Standard CFCI Outlet Tester ST06"},"content":{"rendered":"

The CFCI Outlet Tester ST06 is designed for fast and accurate testing of electrical outlets. It is equipped with an inverted color VA screen and has a 135V AC voltage safety rating<\/strong>. Ensures reliability for both residential and commercial use. It also has a unique CFCI function<\/strong> that can detect ground faults and other line problems, making outlet testing safer. The device also has a 3-minute auto-off function to effectively extend battery life. Whether you are a professional electrician or a DIY<\/strong> enthusiast,the CFCI Outlet Tester ST06 is a reliable tool to ensure that electrical outlets are working properly.<\/p>","protected":false},"excerpt":{"rendered":"

Socket tester with CFCI test button and color display<\/p>","protected":false},"featured_media":2612,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[109],"product_tag":[],"class_list":{"0":"post-2610","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-socket-tester","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"acf":[],"yoast_head":"\nUS Standard CFCI Outlet Tester ST06 - MESTEK<\/title>\n<meta name=\"description\" content=\"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mestekinstruments.com\/zh\/product\/socket-tester\/st06\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"US Standard CFCI Outlet Tester ST06 - MESTEK\" \/>\n<meta property=\"og:description\" content=\"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mestekinstruments.com\/zh\/product\/socket-tester\/st06\/\" \/>\n<meta property=\"og:site_name\" content=\"MESTEK\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-09T08:11:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/\",\"url\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/\",\"name\":\"US Standard CFCI Outlet Tester ST06 - MESTEK\",\"isPartOf\":{\"@id\":\"https:\/\/mestekinstruments.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg\",\"datePublished\":\"2024-12-26T09:59:35+00:00\",\"dateModified\":\"2026-01-09T08:11:49+00:00\",\"description\":\"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.\",\"breadcrumb\":{\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage\",\"url\":\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg\",\"contentUrl\":\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg\",\"width\":800,\"height\":800,\"caption\":\"The CFCI Outlet Tester ST06 with VA reverse color display and CFCI functionality, ensuring safe and effective outlet testing.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mestekinstruments.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4ea7\u54c1\",\"item\":\"https:\/\/mestekinstruments.com\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"US Standard CFCI Outlet Tester ST06\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mestekinstruments.com\/#website\",\"url\":\"https:\/\/mestekinstruments.com\/\",\"name\":\"MESTEK\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/mestekinstruments.com\/#organization\"},\"alternateName\":\"MESTEK\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mestekinstruments.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mestekinstruments.com\/#organization\",\"name\":\"MESTEK\",\"url\":\"https:\/\/mestekinstruments.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/mestekinstruments.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2025\/02\/mestek-logo-\u65b0.png\",\"contentUrl\":\"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2025\/02\/mestek-logo-\u65b0.png\",\"width\":180,\"height\":60,\"caption\":\"MESTEK\"},\"image\":{\"@id\":\"https:\/\/mestekinstruments.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"US Standard CFCI Outlet Tester ST06 - MESTEK","description":"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mestekinstruments.com\/zh\/product\/socket-tester\/st06\/","og_locale":"zh_CN","og_type":"article","og_title":"US Standard CFCI Outlet Tester ST06 - MESTEK","og_description":"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.","og_url":"https:\/\/mestekinstruments.com\/zh\/product\/socket-tester\/st06\/","og_site_name":"MESTEK","article_modified_time":"2026-01-09T08:11:49+00:00","og_image":[{"width":800,"height":800,"url":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/","url":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/","name":"US Standard CFCI Outlet Tester ST06 - MESTEK","isPartOf":{"@id":"https:\/\/mestekinstruments.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage"},"image":{"@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage"},"thumbnailUrl":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg","datePublished":"2024-12-26T09:59:35+00:00","dateModified":"2026-01-09T08:11:49+00:00","description":"CFCI Outlet Tester ST06 provides accurate electrical outlet testing with 135V AC voltage safety rating and CFCI function.","breadcrumb":{"@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#primaryimage","url":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg","contentUrl":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2024\/12\/1-2.jpg","width":800,"height":800,"caption":"The CFCI Outlet Tester ST06 with VA reverse color display and CFCI functionality, ensuring safe and effective outlet testing."},{"@type":"BreadcrumbList","@id":"https:\/\/mestekinstruments.com\/product\/socket-tester\/st06\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mestekinstruments.com\/"},{"@type":"ListItem","position":2,"name":"\u4ea7\u54c1","item":"https:\/\/mestekinstruments.com\/shop\/"},{"@type":"ListItem","position":3,"name":"US Standard CFCI Outlet Tester ST06"}]},{"@type":"WebSite","@id":"https:\/\/mestekinstruments.com\/#website","url":"https:\/\/mestekinstruments.com\/","name":"MESTEK","description":"","publisher":{"@id":"https:\/\/mestekinstruments.com\/#organization"},"alternateName":"MESTEK","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mestekinstruments.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/mestekinstruments.com\/#organization","name":"MESTEK","url":"https:\/\/mestekinstruments.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/mestekinstruments.com\/#\/schema\/logo\/image\/","url":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2025\/02\/mestek-logo-\u65b0.png","contentUrl":"https:\/\/mestekinstruments.com\/wp-content\/uploads\/2025\/02\/mestek-logo-\u65b0.png","width":180,"height":60,"caption":"MESTEK"},"image":{"@id":"https:\/\/mestekinstruments.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/product\/2610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/media\/2612"}],"wp:attachment":[{"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/media?parent=2610"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/product_brand?post=2610"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/product_cat?post=2610"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mestekinstruments.com\/zh\/wp-json\/wp\/v2\/product_tag?post=2610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}