{"id":8313,"date":"2025-05-15T20:20:12","date_gmt":"2025-05-15T18:20:12","guid":{"rendered":"https:\/\/malux.com\/kunskapsbankinlagg\/information-on-inspection-testing-of-electrical-installations-in-hazardous-areas\/"},"modified":"2026-02-23T09:24:37","modified_gmt":"2026-02-23T08:24:37","slug":"information-on-inspection-testing-of-electrical-installations-in-hazardous-areas","status":"publish","type":"kunskapsbankinlagg","link":"https:\/\/www.malux.com\/en\/kunskapsbankinlagg\/information-on-inspection-testing-of-electrical-installations-in-hazardous-areas\/","title":{"rendered":"Information on inspection &amp; testing of electrical installations in hazardous areas"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-94b0ecf stk-block-background\" data-block-id=\"94b0ecf\"><style>.stk-94b0ecf {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-94b0ecf:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-94b0ecf {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-94b0ecf-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-194d026\" data-v=\"4\" data-block-id=\"194d026\"><style>.stk-194d026 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-194d026 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-194d026-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-194d026-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-36f6796\" data-block-id=\"36f6796\"><style>.stk-36f6796 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-36f6796 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\"><em>To achieve and maintain the intended protection against ignition by electrical equipment in hazardous areas, the inspection, testing, and maintenance of equipment, systems, and installations are essential. It should be noted that correct electrical function does not in itself indicate safe use. <\/em><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-44ba255 stk-block-background\" data-block-id=\"44ba255\"><style>.stk-44ba255 {background-color:#ffdc2e !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-44ba255:before{background-color:#ffdc2e !important;}@media screen and (max-width: 767px){.stk-44ba255 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-44ba255-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-6ccf675\" data-v=\"4\" data-block-id=\"6ccf675\"><style>.stk-6ccf675 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-6ccf675 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-6ccf675-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-6ccf675-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-370915b\" data-block-id=\"370915b\"><style>.stk-370915b {margin-bottom:30px !important;}.stk-370915b-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-370915b {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-370915b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-abbd3e7\" data-v=\"4\" data-block-id=\"abbd3e7\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-abbd3e7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-abbd3e7-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-171e36a\" data-block-id=\"171e36a\"><style>@media screen and (max-width: 1023px){.stk-171e36a {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Periodic inspections are conducted to eliminate the risk of electrical equipment acting as an ignition source due to accidental damage or unauthorized tampering.<br\/><br\/>The inspection interval must be adapted to the nature of the facility and the risks of damage, but should not exceed 3 years.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ed6de63\" data-v=\"4\" data-block-id=\"ed6de63\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ed6de63-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ed6de63-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1313abe\" data-block-id=\"1313abe\"><style>@media screen and (max-width: 1023px){.stk-1313abe {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Inspection, testing, maintenance, replacement, and repair of equipment, systems, and installations must be performed by a person with the necessary knowledge of the relevant protection types and their installation and use. Necessary training on the current equipment should be provided on an ongoing basis. <br\/><br\/><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-3340d8d stk-block-background\" data-block-id=\"3340d8d\"><style>.stk-3340d8d {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-3340d8d:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-3340d8d {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3340d8d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1d4aa1e\" data-v=\"4\" data-block-id=\"1d4aa1e\"><style>.stk-1d4aa1e {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-1d4aa1e {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1d4aa1e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1d4aa1e-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6fd47e2\" data-block-id=\"6fd47e2\"><style>.stk-6fd47e2 {margin-bottom:30px !important;}.stk-6fd47e2-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-6fd47e2 {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6fd47e2-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-62531db\" data-v=\"4\" data-block-id=\"62531db\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-62531db-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-62531db-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-a26f843\" data-block-id=\"a26f843\"><style>@media screen and (max-width: 1023px){.stk-a26f843 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Enclosures or parts of enclosures that provide protection against ignition or protection for live parts must not be opened or removed until the equipment part has been disconnected or the area has been confirmed free of dust, vapor, condensate, or sublimates of explosive substances.<br\/><br\/>Electrical testing of an equipment part for which the protection against ignition has been disabled shall only take place when the area has been confirmed free of dust, vapor, condensate, or sublimates of explosive substances.<br\/><br\/>Measures must be taken to prevent unauthorized reconnection of a disconnected equipment part before the part has been restored to its original condition.<br\/><br\/>It should be noted that equipment may remain energized even after it has been disconnected from a power source, for example, through supply from multiple power sources. For larger rotating machines, generated voltage should be considered so that the machine and associated equipment are not opened until the machine has stopped.  <\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-01778c3\" data-v=\"4\" data-block-id=\"01778c3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-01778c3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-01778c3-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-e7565aa\" data-block-id=\"e7565aa\"><style>@media screen and (max-width: 1023px){.stk-e7565aa {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Most power capacitors are fitted with discharge resistors, but it takes a certain amount of time before the final voltage reaches a safe value.<br\/><br\/>See also the article <a href=\"https:\/\/www.malux.com\/kunskapsbank\/allmanna-installationsanvisningar-i-riskomraden\">General installation instructions<\/a>.<br\/>The use of other electrical equipment, for example during testing, repair, and maintenance, is permitted only when the responsible manager has determined that no ignition risk exists.<br\/><br\/>Following repair, adjustment, modification, or replacement, the part in question must be inspected. If the classification plan is changed or if equipment is moved from one area to another, a new inspection should be performed. <br\/><br\/>The results of inspection and testing must be documented and made available. Discovered faults must be corrected immediately, and the measures taken must be documented.  <br\/><br\/><br\/><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-e6f8e42 stk-block-background\" data-block-id=\"e6f8e42\"><style>.stk-e6f8e42 {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-e6f8e42:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-e6f8e42 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-e6f8e42-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-11ee5ca\" data-v=\"4\" data-block-id=\"11ee5ca\"><style>.stk-11ee5ca {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-11ee5ca {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-11ee5ca-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-11ee5ca-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-b92e188\" data-block-id=\"b92e188\"><style>.stk-b92e188 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-b92e188 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\"><em>The following checklist is a compilation of commonly required inspection and testing of electrical installations in hazardous areas. Inspection and testing may need to be adapted to the specific facility. <br\/><br\/>For checklists for facilities with electrical equipment for areas with explosive gas mixtures, please refer to SS-EN 60079-17.<br\/><br\/>For checklists for facilities with electrical equipment for use in the presence of combustible dust, please refer to SS-EN 61241-17.<br\/><\/em><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-f049f51 stk-block-background\" data-block-id=\"f049f51\"><style>.stk-f049f51 {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-f049f51:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-f049f51 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-f049f51-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-058a2fc\" data-v=\"4\" data-block-id=\"058a2fc\"><style>.stk-058a2fc {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-058a2fc {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-058a2fc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-058a2fc-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6102794\" data-block-id=\"6102794\"><style>.stk-6102794 {margin-bottom:30px !important;}.stk-6102794-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-6102794 {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6102794-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1b87fc0\" data-v=\"4\" data-block-id=\"1b87fc0\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1b87fc0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1b87fc0-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-fdf7579\" data-block-id=\"fdf7579\"><style>.stk-fdf7579 .stk-img-wrapper{width:718px !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2369\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-3_757d8dc7.png\" width=\"718\" height=\"865\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-3_757d8dc7.png 718w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-3_757d8dc7-249x300.png 249w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-ae3776a stk-block-background\" data-block-id=\"ae3776a\"><style>.stk-ae3776a {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-ae3776a:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-ae3776a {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ae3776a-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-dd9beb2\" data-v=\"4\" data-block-id=\"dd9beb2\"><style>.stk-dd9beb2 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-dd9beb2 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-dd9beb2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-dd9beb2-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-2d51515\" data-block-id=\"2d51515\"><style>.stk-2d51515 {margin-bottom:30px !important;}.stk-2d51515-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-2d51515 {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-2d51515-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2fafc88\" data-v=\"4\" data-block-id=\"2fafc88\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2fafc88-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2fafc88-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-6aa396a\" data-block-id=\"6aa396a\"><style>@media screen and (max-width: 1023px){.stk-6aa396a {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\"><br\/><br\/>SEK Swedish Electrotechnical Standard<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3370513\" data-v=\"4\" data-block-id=\"3370513\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3370513-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3370513-inner-blocks\"><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>To achieve and maintain the intended protection against ignition by electrical equipment in hazardous areas, the &#8230;<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"kunskapsbankskategori":[240],"class_list":["post-8313","kunskapsbankinlagg","type-kunskapsbankinlagg","status-publish","hentry","kunskapsbankskategori-ex-industry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Information on inspection &amp; testing of electrical installations in hazardous areas - Malux<\/title>\n<meta name=\"description\" content=\"To achieve and maintain the intended protection against ignition caused by electrical equipment in hazardous areas, inspection, checks and maintenance of...\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Information on 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