{"id":2996,"date":"2021-08-18T06:44:20","date_gmt":"2021-08-18T06:44:20","guid":{"rendered":"https:\/\/3.212.105.250\/?p=2996"},"modified":"2025-07-26T16:40:14","modified_gmt":"2025-07-26T22:40:14","slug":"eri-valokaarivalon-ppe-luokat-selitetty","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/fi\/2021\/08\/18\/eri-valokaarivalon-ppe-luokat-selitetty\/","title":{"rendered":"Eri Arc Flash PPE-luokat selitetty"},"content":{"rendered":"<p>Valokaarileimahdukset ovat voimakkaita s\u00e4hk\u00f6r\u00e4j\u00e4hdyksi\u00e4, jotka voivat aiheuttaa vakavia vahinkoja ty\u00f6ntekij\u00f6ille ja yrityksen infrastruktuurille. S\u00e4hk\u00f6laitteiden parissa ty\u00f6skentelevien henkil\u00f6iden suojelemiseksi yritykset voivat vaatia ty\u00f6ntekij\u00f6it\u00e4 k\u00e4ytt\u00e4m\u00e4\u00e4n henkil\u00f6nsuojaimia ty\u00f6ss\u00e4\u00e4n. Se, millainen henkil\u00f6nsuojain on asianmukainen, riippuu kuitenkin kyseess\u00e4 olevan laitteen tyypist\u00e4.<\/p>\n<p>National Fire Protection Association on helpottanut s\u00e4hk\u00f6turvallisuuden maksimointia luomalla standardin NFPA 70E. Sen nimi on Standard for Electrical Safety in the Workplace, ja siin\u00e4 esitet\u00e4\u00e4n s\u00e4hk\u00f6turvallisuusvaatimukset ja -k\u00e4yt\u00e4nn\u00f6t ty\u00f6ntekij\u00f6ille. T\u00e4ss\u00e4 standardissa NFPA jakaa asianmukaiset henkil\u00f6nsuojaimet nelj\u00e4\u00e4n eri luokkaan. T\u00e4ss\u00e4 Dreiym Engineering syventyy eri Arc Flash PPE -luokkiin.<\/p>\n<p><em>Huomaa, ett\u00e4 kukin Arc Rating -arvo viittaa materiaalia tai materiaalikerroksia kohti kohdistuvaan energiaan ja se ilmaistaan kaloreina cm\/cm.<sup>2<\/sup>. Henkil\u00f6nsuojainten valmistajien on noudatettava v\u00e4himm\u00e4isvalokaariluokitusta, jotta niiden henkil\u00f6nsuojaimet kuuluisivat kyseiseen luokkaan.<\/em><\/p>\n<h2>Luokka 1: v\u00e4himm\u00e4isvalokaariarvo 4 cal\/cm<sup>2<\/sup><\/h2>\n<p>T\u00e4ss\u00e4 luokassa ty\u00f6ntekij\u00f6ilt\u00e4 vaaditaan yksi kerros valokaariluokiteltua henkil\u00f6nsuojainta. Muutamia esimerkkej\u00e4 <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fi\/2025\/02\/17\/saannolliset-mekaanisen-eheyden-arvioinnit-omaisuuden-ja-tyontekijoiden-suojelemiseksi\/'>suojamateriaalien ty\u00f6ntekij\u00e4t<\/a> on k\u00e4ytett\u00e4v\u00e4:<\/p>\n<ul>\n<li>Kyp\u00e4r\u00e4hattu<\/li>\n<li>Suojalasit ja valokaariluokiteltu kasvosuojus.<\/li>\n<li>Kuulonsuojaimet<\/li>\n<li>Nahkak\u00e4sineet<\/li>\n<li>Arc-luokiteltu pitk\u00e4hihainen paita ja pitk\u00e4t housut.<\/li>\n<li>Nahkajalkineet<\/li>\n<\/ul>\n<h2>Luokka 2: v\u00e4himm\u00e4isvalokaariarvo 8 cal\/cm<sup>2<\/sup><\/h2>\n<ul>\n<li>Valokaari-luokiteltu salamavalopuvun huppu tai AR-kasvosuojus.<\/li>\n<li>Suojalasit tai suojalasit<\/li>\n<li>Kuulonsuojaimet<\/li>\n<li>Nahkak\u00e4sineet<\/li>\n<li>Kaariluokiteltu pitk\u00e4hihainen paita ja pitk\u00e4t housut tai haalari.<\/li>\n<li>Arc-luokiteltu huppu tai balaklava.<\/li>\n<li>Arc-luokiteltu takki<\/li>\n<li>Nahkajalkineet<\/li>\n<\/ul>\n<h2>Luokka 3: v\u00e4himm\u00e4isvalokaariarvo 25 cal\/cm<sup>2<\/sup><\/h2>\n<ul>\n<li>Valokaari-luokiteltu salamapuku Takki ja AR-housut tai -haalari.<\/li>\n<li>Valokaari-luokiteltu salamapuvun huppu tai balaklava.<\/li>\n<li>Kumiset eristysk\u00e4sineet ja nahkasuojat tai valokaarisuojak\u00e4sineet.<\/li>\n<li>Kuulonsuojaimet<\/li>\n<li>Arc-luokiteltu pitk\u00e4hihainen paita<\/li>\n<li>Nahkajalkineet<\/li>\n<\/ul>\n<h2>Luokka 4: V\u00e4himm\u00e4isvalokaariarvo 40 cal\/cm<sup>2<\/sup><\/h2>\n<p>Viimeinen eri Arc Flash PPE -luokista on Arc Flash PPE -luokka 4. Arc Flash PPE -luokka 4 vaatii eniten suojaimia. Jokaisen vaatekappaleen on oltava v\u00e4hint\u00e4\u00e4n 40 cal\/cm.<sup>2<\/sup>. Joku, joka ty\u00f6skentelee t\u00e4ss\u00e4 henkil\u00f6suojainten luokassa, n\u00e4kee todenn\u00e4k\u00f6isesti seuraavia kohteita.<\/p>\n<ul>\n<li>Kyp\u00e4r\u00e4hattu ja valokaari-luokiteltu salamapuvun huppu<\/li>\n<li>Suojalasit tai suojalasit<\/li>\n<li>Kuulonsuojaimet<\/li>\n<li>Kumiset eristysk\u00e4sineet ja nahkasuojat tai valokaarisuojak\u00e4sineet.<\/li>\n<li>Valokaari-luokiteltu salamapuku Takki ja AR-housut tai -haalari.<\/li>\n<li>Nahkajalkineet<\/li>\n<\/ul>\n<h3>Mist\u00e4 tiet\u00e4\u00e4, onko ty\u00f6paikkasi altis valokaarivalolle?<\/h3>\n<p>Arvioidakseen s\u00e4hk\u00f6isen <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fi\/2022\/03\/04\/5-palovaaraa-jotka-on-tunnistettava-ja-poistettava-tyopaikalla\/'>ty\u00f6paikkasi vaaratekij\u00e4t,<\/a> investoida Arc Flash -tutkimukseen. Dreiym Engineeringiss\u00e4 tiimimme, joka koostuu\u00a0<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/fi\/services\/sahkoteho\/valokaari-iskututkimukset\/\">Arc Flash -konsultit<\/a>\u00a0voi m\u00e4\u00e4ritt\u00e4\u00e4 riskin, ett\u00e4 tilassasi tapahtuu valokaarilamppu, ja millaisia vahinkoja on odotettavissa pahimmassa tapauksessa. Ota meihin yhteytt\u00e4 jo t\u00e4n\u00e4\u00e4n ja sovi yksityiskohtaisen <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fi\/2022\/10\/31\/miten-reagoida-tyomaan-tarkastuksen-epaonnistumisiin\/'>ty\u00f6maak\u00e4vely<\/a>, mik\u00e4 on ensimm\u00e4inen askel yrityksesi s\u00e4hk\u00f6turvallisuuden ja -laadun yll\u00e4pit\u00e4miseksi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Arc flashes are intense electrical explosions that can result in severe harm to employees and company infrastructure. To help protect those who work with electrical equipment, companies can enforce employees to wear PPE while on the job. Which PPE is appropriate, however, depends on the type of equipment at hand. The National Fire Protection Association [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":3470,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":284,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Arc flashes are intense electrical explosions that can result in severe harm to employees and company infrastructure. 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