National Electrical Code (NEC) hloov tshiab ib zaug txhua peb xyoos.Hauv tsab xov xwm no, peb yuav qhia txog plaub qhov kev hloov pauv rau lub voj voog no (2023 tsab ntawm NEC) uas cuam tshuam cov teeb pom kev zoo raws li hauv qab no:
Horticultural Teeb pom kev zoo
Txhawm rau zam qee qhov kev phom sij tshwm sim hauv kev lag luam horticultural teeb pom kev zoo, Sec.410.184 qhia meej tias GFCI kev tiv thaiv yuav tsum tau nyob qhov twg lub teeb pom kev zoo nkauj txuas nrog cov hlua hloov tau yooj yim siv cov khoom sib cais lossis cov ntsaws ntsaws.Kev Cuam Tshuam tshiab tso cai rau cov khoom siv teeb pom kev zoo uas muab cov khoom siv hluav taws xob ntau dua 150V los tiv thaiv nrog cov npe tshwj xeeb hauv av-fault circuit interrupter (GFCI) uas mus ncig ntawm 20mA hloov 6mA.
Cov Hluav Taws Xob thiab Cov Khoom Siv Nruab Nrab saum toj kawg nkaus qhov chaw muaj kev phom sij (Classified) qhov chaw
Tshooj 511.17 muaj qhov hloov pauv tseem ceeb raws li tam sim no tau hloov kho rau hauv daim ntawv teev npe nrog cov kev xav tau ntxiv rau cov npe fittings thiab cov khoom siv grounding conductors (EGCs) ntxiv rau qhov sib tov.Lo lus "Class I" yog hloov los ntawm "Hazardous (Classified)" nyob rau hauv tsib qhov chaw, suav nrog lub npe ntawm Tshooj Lus no, vim tias cheeb tsam kev faib tawm tsis siv "Class I" ntxiv lawm.Tshooj lus no kuj tau hloov kho los ntawm kab lus ntev mus rau cuaj lub npe khoom rau kev siv tau, thiab cov kev xav tau tau ntxiv rau feem ntau ntawm txoj kev xaim.
Receptacles, Luminaires, thiab Switches
Cov kev cai rauav txhaum Circuit Court interrupterkev tiv thaiv ntawm receptacles hauv (A) (4) tau nthuav dav lub voj voog no hauv Sec.680.22 kom suav nrog tag nrho cov khoom siv tau ntsuas 60A lossis tsawg dua hauv 20 ft ntawm phab ntsa pas dej.Qhov no yav dhau los tsuas yog siv rau 15A thiab 20A, 125V receptacles.Tshooj lus no yuav tsum muaj kev tiv thaiv GFCI rau cov cuab yeej tshwj xeeb uas tau teeb tsa hauv thaj tsam ntawm 5 ft thiab 10 ft kab rov tav los ntawm cov phab ntsa sab hauv ntawm lub pas dej thiab.Cov lus tshiab hauv (B)(4) nthuav dav qhov yuav tsum tau muaj kev tiv thaiv los ntawm kev ntxiv qhov yuav tsum tau SPGFCI uas yuav tso cai rau cov cuab yeej ua haujlwm siab tshaj 150V rau hauv av kom muaj kev tiv thaiv.
Class-2-Powered Emergency Lighting Systems
Ib tug tshiab Sec.700.11 rau Chav Kawm 2 xaim muab cov kev cai rau cov teeb pom kev zoo no.Tshooj tshiab no hais txog cov thev naus laus zis xws li PoE thiab lwm lub teeb pom kev kub ntxhov uas siv lub zog Class 2.Lwm cov kev cai hauv tsab xov xwm no qhov chaw nyob kab hluav taws xob, thiab Tshooj tshiab no muab cov kev cai rau cov tshuab hluav taws xob tsawg tsawg.
Post lub sij hawm: Apr-04-2023