ul826標biao準zhun不bu包bao括kuo主zhu要yao用yong於yu工gong業ye或huo者zhe商shang業ye設she施shi的de時shi鍾zhong，構gou成cheng主zhu時shi鍾zhong係xi統tong一yi部bu分fen的de時shi鍾zhong，室shi外wai時shi鍾zhong，時shi間jian戳chuo，作zuo業ye卡ka記ji錄lu器qi，計ji時shi器qi以yi及ji類lei似si的de時shi間jian指zhi示shi和he記ji錄lu設she備bei，也ye涵han蓋gai用yong作zuo便bian攜xie式shi電dian燈deng或huo其qi它ta照zhao明ming目mu的de的de發fa光guang時shi鍾zhong。
2021-04-09ul508涵蓋了用於啟動、停止、調(tiao)節(jie)，控(kong)製(zhi)或(huo)保(bao)護(hu)電(dian)動(dong)機(ji)的(de)工(gong)業(ye)控(kong)製(zhi)設(she)備(bei)及(ji)其(qi)附(fu)屬(shu)設(she)備(bei)。這(zhe)些(xie)要(yao)求(qiu)還(hai)涵(han)蓋(gai)存(cun)儲(chu)或(huo)處(chu)理(li)信(xin)息(xi)並(bing)具(ju)有(you)輸(shu)出(chu)電(dian)機(ji)控(kong)製(zhi)功(gong)能(neng)的(de)工(gong)業(ye)控(kong)製(zhi)設(she)備(bei)或(huo)係(xi)統(tong)。根(gen)據(ju)國(guo)家(jia)電(dian)器(qi)法(fa)規(gui)NFPA70,本設備可在普通場所使用。這些要求不包括對用於功能安全應用的設備進行評估的要求。
2021-03-31