Tafole ea likateng
NEMA 14-50 Tekheniki Cheat Sheet (EV Kopo)
| Sebopeho | Tlhaloso / Tlhokahalo ea NEC |
| Max Potoloho Rating | 50 Amps (Boholo ba Breaker) |
| Continuous Load Limit | 40 Amps Max (E laetsoe keNEC 210.20(A)&NEC 625.42"80% Molao") |
| Palo ea li-volts | 120V / 240V Split-Phase (4-Wire) |
| Wire e Hlokehang | 6 AWG Copper min. THHN/THWN-2 (PerLethathamo la NEC 310.16bakeng sa litšiea tsa 60°C/75°C) |
| Terminal Torque | TLHOKOMELISO:E tlameha ho sebelisa screwdriver ea torque ho lintlha tsa moetsi (mofuta oa 75 in-lbs) ho thibela arcing. |
| Tlhokahalo ea GFCI | E tlamehangbakeng sa Likarabo le Ka Ntle (NEC 2020/2023 Art. 210.8) |
| Kereiti ea ho amohela | Kereiti ea indasteri feela(Qoba "Residential Grade" bakeng sa li-EVs) |
| Potoloho ea Lekala | Ho Hlokahala Potoloho e Nehetsoeng (NEC 625.40) |
Keletso ea Tšireletseho:Meroalo e phahameng e tsoelang pele e baka likotsi tse ikhethang tsa mocheso. Ho latela litlaleho tse tsoang hoElectrical Safety Foundation International (ESFI), ho se sebetse ha motlakase sebakeng sa bolulo ke mohloli o moholo oa mello ea meralo. Bakeng sa li-EVs, kotsi e eketsoa ke nako e sa khaotseng ea mojaro (lihora tse 6-10).Tlhokomeliso ea Tumellano ea Khouto:Ha a ntse a litšupiso tsa tataiso enaNEC ea 2023, likhoutu tsa lehae lia fapana. TheBolaoli bo nang le Bolaoli (AHJ)sebakeng sa heno (mohlahlobi oa meaho ea lehae) o na le lentsoe la ho qetela mme a ka ba le litlhoko tse fetang tekanyetso ea naha.
Tataiso ena e khomarela hoMaemo a NEC 2023. Re tla hlalosa hore na hobaneng mabenkele a "Residential Grade" a qhibiliha, hore na hobaneng torque e le bohlokoa, le hore na u ka hlahloba mosebetsi oa setsebi sa hau sa motlakase joang ho netefatsa polokeho ea lelapa la hau.
NEMA 14-50 ke eng? Ho qolla Lintlha le Sebopeho sa Motlakase
NEMA e emetse National Electrical Manufacturers Association. Sehlopha sena se beha litekanyetso bakeng sa lihlahisoa tse ngata tsa motlakase Amerika Leboea. Linomoro le litlhaku tseNEMA 14-50re bolelle ka outlet.
"14" e bolela hore e fana ka lithapo tse peli tse "chesang", terata e sa nke lehlakore, le terata e fatše. Setupo sena se e lumella ho fana ka li-volts tse 120 le li-volts tse 240. "50" e bontša tekanyo ea lisebelisoa. Ho latelaNEC 210.21(B)(3), sejana sa 50-ampere se ka kenngoa potolohong ea lekala ea 50-ampere. Leha ho le joalo, bakeng sa ho tjhaja EV (e hlalosoang e le mojaro o tsoelang pele),NEC 625.42e fokotsa tlhahiso ho 80% ea tekanyo ea potoloho. Ka hona, 50A breaker e lumella boholo ba40Ho tjhaja kamehla. Mohaho o na le phini e otlolohileng ea fatše (G), lithakhisa tse peli tse otlolohileng tse chesang (X, Y), le pini e sa nke lehlakore e nang le sebopeho sa L (kapa e kobehileng) (W).
•Li-Hot Wire tse peli (X, Y):Tsena li na le li-volts tse 120 ka 'ngoe. Hammoho, ba fana ka 240 volts.
•Neutral Wire (W):Ena ke tsela ea ho khutla bakeng sa lipotoloho tse 120-volt. Hangata e chitja kapa e sebopeho sa L.
•Mohala o Fallang (G):Sena ke bakeng sa polokeho. Hangata e na le sebopeho sa U kapa se chitja.
Ho bohlokoa ho sebelisa se nepahetseng14-50 plugleLibeke tse 14-50ho netefatsa kgokelo e bolokehileng.
Mona ke kamoo hoNEMA 14-50e bapisoa le tse ling tse tloaelehileng tsa NEMA:
| Sebopeho | NEMA 14-50 | NEMA 10-30 (Li-Dryer tsa Khale) | NEMA 14-30 (Li-Dryer/Ranges tse Ncha) | NEMA 6-50 (Li-welders, li-EV tse ling) |
|---|---|---|---|---|
| Palo ea li-volts | 120V/240V | 120V/240V | 120V/240V | 240V |
| Amperage | 50A (sebelisa ho 40A e tsoelang pele) | 30A | 30A | 50A |
| Lithapo | 4 (2 e chesang, e sa nke lehlakore, fatše) | 3 (2 e chesang, e sa nke lehlakore, NO Ground) | 4 (2 e chesang, e sa nke lehlakore, fatše) | 3 (2 e chesang, e fatše, ha e nke lehlakore) |
| Grounded | Ee | Che (E kholo, e bolokehile hanyane) | Ee | Ee |
| Tšebeliso e Tloaelehileng | Li-EV, li-RV, Mebala, Lionto | Li-dryer tsa khale tsa Motlakase | Li-dryer tse ncha, tse nyane tse fapaneng | Li-welders, li-charger tse ling tsa EV |
U ka e bonaNEMA 14-50e na le mekhoa e mengata hobane e fana ka likhetho tse peli tsa motlakase 'me e na le terata ea fatše bakeng sa polokeho. TheSesebelisoa sa 240 volt NEMA 14-50bokhoni ke senotlolo bakeng sa litlhoko tse phahameng tsa matla.
Likopo tsa mantlha tsa NEMA 14-50
A. Motlakase Vehicle (EV) Ho tjhaja: A Top KhethoHaeba u na le EV, u batla ho e lefisa kapele ha u le lapeng. Sesebelisoa se tloaelehileng sa 120-volt (ho tjhaja boemo ba 1) se ka nka nako e telele haholo. TheNEMA 14-50e lumella ho tjhaja ha Level 2 kapele.
•Hobaneng ho le monate bakeng sa Mohato 2: A NEMA 14-50 EV tjhajae ka fana ka matla a fihlang ho 9.6 kilowatts (kW) (240V x 40A). Sena se feta 1−2 kW e tsoang setsing se tloaelehileng.
•Ho tjhaja kapele:Sena se bolela hore o ka lefisa li-EV tse ngata ka botlalo ka bosiu bo le bong. Kapa, o ka eketsa palo e kholo ka lihora tse 'maloa feela.
•Ho lumellana:Lijajara tse ngata tse nkehang tsa EV li tla le aNEMA 14-50 plug. Lijaja tse ling tse kentsoeng leboteng le tsona li ka hokeloa ho a14-50 nkho, e fanang ka ho tenyetseha ha u falla.
B. Recreational Vehicles (RVs): The "Lifeline"Bakeng sa beng ba RV, theNEMA 14-50e bohlokoa. Hangata libaka tsa kampo li fana ka aNEMA 14-50 sephutheloanabakeng sa "matla a lebopong."
•Ho matlafatsa RV ea hau:Khokahano ena e u lumella ho tsamaisa tsohle tse ho RV ea hau. Sena se kenyelletsa li-air conditioner, li-microwave, mabone le lisebelisoa tse ling.
•50 Amp RVs:Li-RV tse kholo tse nang le li-unit tse ngata tsa AC kapa lisebelisoa tse ngata hangata li hloka a50 amp NEMA 14-50kgokelo ho sebetsa ka botlalo.
C. Lisebelisoa tsa Lehae tse Matla a PhahamengSebaka sena ha se sa likoloi feela. Malapa a mangata a e sebelisetsa:
•Mekhahlelo ea Motlakase le Lionto:Lipere tsena tsa kichineng li hloka matla a mangata.
•Mefuta ea Motlakase:Li-dryer tse ling tse kholo kapa tsa khale tse nang le matla a phahameng li ka sebelisa aNEMA 14-50. (Le hoja NEMA 14-30 e tloaelehile haholo ho li-dryer tse ngata tsa morao-rao).
•Lithupelo:Li-welders, li-compressor tse kholo tsa moea, kapa li-kilns li ka sebelisa a14-50 plug.
D. Matla a Nakoana le Likhetho tsa bekapoKa linako tse ling, u hloka matla a mangata ka nakoana. TheNEMA 14-50e ka ba molemo bakeng sa libaka tsa mosebetsi kapa sebaka sa khokahanyo bakeng sa mefuta e meng ea lijenereithara tsa "backup" nakong ea ho tima ha motlakase.
Tlhahlobo e Tebileng: Ho Khetha le ho Kenya NEMA 14-50 - Tataiso ea "Ho qoba Pitfall"
Ho kenya a240v NEMA 14-50 sephutheloanaha se morero o bonolo oa DIY bakeng sa batho ba bangata. E kenyelletsa ho sebetsa ka motlakase o phahameng. Liphoso li ka ba kotsi. Mona ke seo u hlokang ho se tseba.
A. Litšenyehelo tsa Sebele: Tse Fetang Ho Tsoa FeelaTheko eaNEMA 14-50 nkho ea ho amohelaka boyona e nyane. Empa litšenyehelo kaofela li ka eketseha.
Khakanyo ea Tekanyetso ea Kemiso (Litekanyetso tsa 2025)
| Karolo | Khakanyo ea Litšenyehelo | Lintlha tsa Setsebi |
| Mohaho oa Liindasteri | $50 - $100 | Se ke oa reka mofuta oa generic oa $10. |
| Mohala oa Koporo (6/3) | $4 - $6 / left | Litheko lia fetoha. Nako e telele e theko e boima kapele. |
| GFCI Breaker (50A) | $90 - $160 | NEC 2023 e hloka GFCI bakeng sa likarache (Li-breaker tse tloaelehileng ke ~$20). |
| Tumello & Tlhahlobo | $50 - $200 | E tlamang bakeng sa bonnete ba inshorense. |
| Mosebetsi oa Motlakase | $300 - $800+ | E fapana ho ea ka libaka le ho rarahana. |
| KEKETSO KAOFELA | $600 - $1,500+ | Ho nka hore phanele e na le bokhoni. Lintlafatso tsa phanele li eketsa $2k+. |
B. Polokeho Pele: Ho Kenyetsoa ha Litsebi ke Ntho ea bohlokoaSena ha se sebaka sa ho itšeha. Ho sebetsa ka 240 volts ho kotsi.
•Hobaneng e le Pro?Litsebi tsa motlakase tse nang le tumello li tseba Khoutu ea Naha ea Motlakase (NEC) le likhoutu tsa lehae. Ba netefatsa hore uNEMA 14-50 sephutheloanae kentsoe ka mokhoa o sireletsehileng le ka nepo. Sena se sireletsa ntlo ea hau, lisebelisoa tsa hau le lelapa la hau.
Ho kengoa ha NEMA 14-50 ho tlameha ho latela melaoana ea Naha ea Motlakase (NEC), eo hangata e laoloang keNFPA70. Litlhoko tsa bohlokoa li kenyelletsa:
1. Tlhokahalo ea potoloho e inehetseng (NEC 625.40):Meroalo ea ho tjhaja EV e tlameha ho sebetsoa ke potoloho e ikemetseng ea lekala. Ha ho mabenkele kapa mabone a mang a ka arolelanang mohala ona.
2. Litlhoko tsa Torque (NEC 110.14(D)):"Ho tiisa letsoho" ha hoa lekana. U tlameha ho sebelisa sesebelisoa sa torque e lekantsoeng ho fihlela torque e boletsoeng ke moetsi (ka tloaelo 75 in-lbs).
3. Sebaka sa ho Kobela Mohala (NEC 314.16):Netefatsa hore lebokose la motlakase le tebile ho lekana ho amohela lithapo tse 6 tsa AWG ntle le ho tlola melao ea radius e kobehang.
NEC 2020/2023 e hloka ka tieoTšireletso ea GFCIbakeng sa mabenkele ohle a 240V ka likaracheng. Leha ho le joalo, sena se ka baka mathata:
•The Technical Conflict (CCID vs. GFCI):Boholo ba likarolo tsa EVSE li na le "Charging Circuit Interrupting Device" (CCID) e kentsoeng ka hare ho 20mA leakage current. Leha ho le joalo, sekhechana se tloaelehileng sa Sehlopha sa A GFCI se hlokoang ke NEC 210.8 bakeng sa maeto a li-receptacles ho 5mA. Ha lipotoloho tsena tse peli tsa ho beha leihlo li sebetsa ka letoto, lipotoloho tse sa lumellaneng le maikutlo a ho itlhahloba hangata li baka "ho khoptjoa ha likhathatso."
•Tharollo ea Hardwire (NEC 625.54 Exception Logic): NEC 625.54e laela tšireletso ea GFCI ka ho khetheha bakeng saliphahloe sebelisetsoang ho tjhaja EV. Ka ho thatafatsa EVSE (ho tlosa sekoahelo sa NEMA 14-50 ka botlalo), o feta hantle litlhoko tsa seamoheli tsa NEC 210.8 le 625.54, ho fapana le moo u itšetlehile ka tšireletso ea CCID ea EVSE e ka hare (ho ipapisitsoe le tumello ea AHJ ea lehae).
•Liphoso Tse Tloaelehileng haeba DIY-ing (le Likotsi tsa tsona!):
•Mehala e Fosahetseng: Lithapo tse nyane haholo li ka chesa haholo 'me tsa baka mollo.
• Breaker e sa nepahalang: Sekhechana se seholo haholo se ke ke sa sireletsa potoloho. Sekhechana se senyane haholo se ka khoptjoa hangata.
•Loose Connections: Tsena li ka arc, tsa hlatse le ho baka mollo kapa tšenyo.
•Ho Kopanya Lithapo: Ho hokela lithapo ho litheminale tse fosahetseng ho ka senya lisebelisoa kapa ho baka likotsi tse ka bang teng ho shocks. TheNEMA 1450 nkho ea ho amohela(ka tsela e 'ngoe eo batho ba buang ka eonaNEMA 14-50 nkho ea ho amohela) wiring e tobileng.
•Ha ho na Tumello/Tlhahlobo: Sena se ka baka mathata ka inshorense kapa ha u rekisa ntlo ea hau.
•Ho Fumana Setsebi sa Motlakase se hloahloa:
• Kopa likhothaletso.
• Hlahloba mangolo a tumello le inshorense.
•Sheba maikutlo a inthaneteng.
•Fumana khakanyo e ngotsoeng.
C. Bopaki ba Bokamoso: NEMA 14-50 le Smart EnergyTheNEMA 14-50ha se tsa kajeno feela. E ka ba karolo ea lehae le bohlale ho feta.
•Smart EV Charger:Tse ngataNEMA 14-50 EV tjhajamehlala e "bohlale." U ka li laola ka app, ho hlophisa ho tjhaja linako tsa motlakase tse theko e tlaase, 'me u shebelle tšebeliso ea matla.
•Mekhoa ea Matla a Lehae:Ha batho ba eketsa liphanele tsa letsatsi kapa libeteri tsa lapeng, li matla240v NEMA 14-50 sephutheloanae ka ba sebaka sa ho hokela lisebelisoa tse itseng.
•Koloi e eang Lehae (V2H) / Vehicle-to-Grid (V2G):Tsena ke mehopolo e mecha. Li kenyelletsa li-EV tse romellang motlakase ntlong kapa marang-rang. Ha e ntse e tsoela pele, ho ba le50 amp NEMA 14-50potoloho e ka thusa ha mahlale ana a ntse a hola.
•Boleng ba Lehae:E kentsoe hantleNEMA 14-50 sephutheloana, haholo-holo bakeng sa ho tjhaja EV, e ka ba tšobotsi e khahlehang haeba u rekisa ntlo ea hau.
D. Lintlha tsa Bohloko ba Basebelisi: Mathata a Tloaelehileng & Tharollo ea MathataLe ha ho kentsoe hantle, u kanna ua ba le lipotso.
•Outlet/plug ea Hot:Haeba oa hauNEMA 14-50 plugkapa outlet e ikutloa e chesa haholo, khaotsa ho e sebelisa hang-hang 'me u letsetse setsebi sa motlakase. Sena se ka bakoa ke khokahano e hlephileng, phallo e tsofetseng, potoloho e imetsoeng, kapa plug/outlet ea boleng bo tlase. Hangata mabenkele a boemo ba indasteri a sebetsana le mocheso hamolemo.
•Tsela ea Tharollo ea Mathata: Hobaneng NEMA 14-50 eaka e Chesa?
Mohato oa 1:Na mocheso o ka holimo ho 140°F (60°C)? ->EE:Emisa ho tjhaja hanghang.
Mohato oa 2: Netefatsa Tlhophiso.Na screwdriver ea torque e sebelisitsoe nakong ea ho kenya? ->CHE / HA HO SEBELE: U SE KE UA LEKA HO TISA LIKHOA TSE PHELANG.Ikopanye le ramotlakase ea nang le tumello hang-hang ho etsa tlhahlobo ea torque perNEC 110.14(D).
Mohato oa 3:Hlahloba Mofuta oa Mohala. Na ke Koporo? ->NO (Aluminium):Etsa bonnete ba hore pente ea antioxidant e sebelisitsoe 'me li-terminals li na le litekanyetso tsa AL/CU (NEC 110.14).
Mohato 4:Hlahloba Brand Receptacle. Na ke Leviton Residential? ->EE:Nka sebaka ka Hubbell/Bryant Industrial Grade.
•Maeto a Marang-rang Hangata:Sena se bolela hore potoloho e hula matla a mangata haholo, kapa ho na le phoso. U se ke ua lula u e tsosolosa feela. Ramotlakase o hloka ho fumana sesosa.
•Tsamaiso ea Charger ea EV:Boholo ba li- charger tsa Level 2 EV li sebetsa le aNEMA 14-50. Empa kamehla hlahloba EV ea hau le libuka tsa tjhaja.
•Tšebeliso ea Kantle:Haeba oa hauLibeke tse 14-50e ka ntle (mohlala, bakeng sa RV kapa ea ho tjhaja EV ea kantle), E TLAMEHA ho ba mofuta o hananang le boemo ba leholimo (WR) mme e kentsoe ka har'a sekoaelo se "sesebelisoang" se thibelang boemo ba leholimo. Sena se e sireletsa pula le mongobo.
Kakaretso ea Ts'ebetso ea Ts'ebetso ea NEMA 14-50
Tlhokomeliso: Ena HASE tataiso ea DIY.Kakaretso ena e u thusa ho utloisisa seo ramotlakase oa hau a tla se etsa. Kamehla hira setsebi se tšoanelehang.
1.Ho rera:Ramotlakase o tla lekola bokhoni ba phanele ea motlakase ea hau. Ba tla thusa ho khetha sebaka se setle ka ho fetisisaNEMA 14-50 sokete. Ba tla fumana tsela ea mohala.
2.Tsireletso e Koetsoe:Ba tla tima matla a maholo ntlong ea hau ka phanele. Sena se bohlokoa haholo.
3.Tsela e mathang:Ba tla tsamaisa terata e nepahetseng ea gauge (mohlala, 6/3 AWG koporo e nang le fatše) ho tloha phanele ho ea sebakeng sa phallo. Sena se ka kenyelletsa ho feta maboteng, marulelong, kapa libaka tsa ho khasa. Conduit e ka sebelisoa bakeng sa tšireletso.
4.Ho kenya Breaker & Outlet:Ba tla kenya 50-amp double-pole circuit breaker sebakeng se se nang letho phanele ea hau. Ba tla hokahanya lithapo ho sehahi. Joale, ba tla kenya mohala14-50 nkhoka lebokoseng la motlakase sebakeng se khethiloeng, ho netefatsa hore mohala o mong le o mong o ea setsing se nepahetseng (Ho chesa, ho chesa, ho sa nke lehlakore, ho fatše).
5.Teko:Ka mor'a hore ntho e 'ngoe le e' ngoe e kopane le ho hlahlojoa, ba tla bulela matla hape. Ba tla leka sephutheloana ho netefatsa hore se hoketsoe ka nepo mme se fana ka motlakase o nepahetseng.
6.Tlhahlobo:Haeba tumello e ne e huloa, mohlahlobi oa motlakase oa lehae o tla hlahloba mosebetsi ho netefatsa hore o kopana le likhoutu tsohle.
Smart Shopping: Ho Khetha Lisebelisoa tsa boleng ba NEMA 14-50
Ha se likarolo tsohle tsa motlakase tse lekantsoeng. Bakeng sa khokahano ea matla a holimo joalo ka aNEMA 14-50, litaba tsa boleng bakeng sa polokeho le bophelo bo bolelele.
A. NEMA 14-50R Receptacle (The Outlet):
•Setifikeiti:Batla matšoao a thathamisitsoeng ke UL kapa a ETL. Sena se bolela hore e kopana le litekanyetso tsa polokeho.
•Mophato:o phahameng
Hobaneng ha "Kereiti ea Bolulo" e hloleha: LinkPower Lab Empirical Data
Ha rea ka ra hakanya feela; re e lekile. Tekong ea papiso ea libaesekele e futhumatsang ea LinkPower (Mokhoa: 40A mojaro o tsoelang pele, 4-hora ON / 1-hour OFF cycle), re hlokometse mekhoa e fapaneng ea ho hlōleha:
•Mophato wa Bodulo (Thermoplastic):Kamora50 lipotoloho, mocheso oa ho kopana ka hare o ile oa phahama18°Cka lebaka la deformation polasetiki phomotse khatello ea terminal. Ka potoloho ea 200, khanyetso e lekantsoeng e ile ea eketseha ka0.5 ohm, ho baka kotsi ea ho baleha ha mocheso.
•Kereiti ya Indasteri (Thermoset/Hubbell/Bryant):Khatello e tsitsitseng ea ho kopana bakeng sa1,000+ lipotolohoka tlase ho2°Cphapang ea mocheso.
•Tsamaiso ea Material Science (Thermoplastic vs. Thermoset):Lisebelisoa tse tloaelehileng tsa "Residential Grade" (hangata li lumellana le tsa motheoUL 498standards) li etselitsoe meroalo ea nakoana joalo ka li-dryer. Hangata li sebelisoaThermoplastic'mele e ka nolofatsang mocheso o fetang 140°F (60°C). Ka lehlakoreng le leng, likarolo tsa "Industrial Grade" (mohlala, Hubbell HBL9450A kapa Bryant 9450NC) hangata li sebelisa.Thermoset (Urea/Polyester)matlo a kopantsoeng le likhokahano tse phahameng tsa koporo tse etselitsoeng ho mamella mekoloko ea katoloso ea mocheso oa ho tjhaja EV e tsoelang pele ntle le deformation.
Keletso ea Setsebi:Se ke oa boloka $40 ka lebenkeleng ho beha koloi kapa ntlo ea $50,000 kotsing. netefatsa hore ramotlakase oa hau o kenya karolo ea Kereiti ea Indasteri.
•Litheminale:Libaka tse ntle li na le li-screw terminals bakeng sa likhokahano tse sireletsehileng tsa terata.
B. NEMA 14-50P Plug and Cord Sets (bakeng sa Lisebelisoa/Lichaja):
•Sekala sa Wire Gauge:Netefatsa thapo efe kapa efe ka a14-50 pluge sebelisa terata e tenya ka nepo bakeng sa bolelele ba eona le amperage.
•Li-plug tse Molded:Li-plug tse bopehileng tsa boleng bo holimo hangata li bolokehile ebile li tšoarella nako e telele ho feta tseo u li bokellang.
•Setifikeiti:Hape, sheba matšoao a UL kapa ETL.
C. EVSE (Thepa ea Phepelo ea Likoloi tsa Motlakase) / EV Charger:Haeba u fumana aNEMA 14-50 EV tjhaja:
•Boemo ba Matla:Khetha e ts'oanang le bokhoni ba ho tjhaja ba EV ea hau le potoloho ea hau ea motlakase (boholo ba 40A bo tsoelang pele ho potoloho ea 50A).
•Likarolo tse bohlale:Nahana haeba u batla Wi-Fi, taolo ea app, kapa ho hlophisa.
•Brand & Maikutlo:Etsa lipatlisiso ka mefuta e tsebahalang 'me u bale maikutlo a basebelisi.
•Tšireletso e netefalitsoe:Netefatsa hore UL kapa ETL e thathamisitsoe.
Mokhoa o ikhethileng oa D.LinkPower's Exclusive Durability Methodology: The 'Thermal Cycle Test'
Bakeng sa ho tjhaja EV, tšebeliso e phahameng ea amp khafetsa e lebisa ho baesekele e futhumetseng (ho futhumatsa le ho pholisa). LinkPower e leka lisebelisoa tsa eona tsa boemo ba indasteri tsa NEMA 14-50 e sebelisa Teko ea Thermal Cycle Test, e behang yuniti ho.40Moroalo o tsoelang pele oa lihora tsa 5, o lateloa ke nako ea ho phomola ea hora ea 1, e phetoa ka makhetlo a 1,000.Mokhoa ona, o fetang litekanyetso tse tloaelehileng tsa UL, o netefatsa hore botšepehi ba torque ea terminal le matlo a polasetiki a lula a le teng, e leng se etsang hore ho be le99.9% ho tšepahala ho ikopanyasekhahla ka mor'a tšebeliso e matla.
Amohela NEMA 14-50 bakeng sa Bophelo bo Botle ba Motlakase
TheNEMA 14-50ke ntho e fetang feela ntho e boima. Ke tsela ea ho tjhaja EV ka potlako, RVing e bonolo, le ho matlafatsa lisebelisoa tse batloang haholo. Ho utloisisa seo aNEMA 14-50 pluglesetsheloke, kamoo ba sebetsang kateng, le melemo ea bona e ka u thusa ho etsa khetho e bohlale bakeng sa lehae la hau kapa khoebo.
Hopola, senotlolo sa ho sebelisa sena se matlaSesebelisoa sa 240 volt NEMA 14-50ke polokeho. Kamehla e-ba le ramotlakase ea nang le laesense ea sebetsang ho kenya. Ka setup e nepahetseng, ea hau50 amp NEMA 14-50khokahano e tla u sebeletsa ka ts'epo bakeng sa lilemo tse tlang.
LBH
Q1: Na nka kenya NEMA 14-50 ka bonna?K: E nyahame haholo ntle le haeba o le ramotlakase ea nang le lengolo la tumello. Ho sebetsa ka 240 volts ho kotsi. Ho kenya ka tsela e fosahetseng ho ka baka mollo, motlakase, kapa tšenyo ea lisebelisoa. Kamehla hira setsebi.
Q2: Ke bokae ho kenya setsi sa NEMA 14-50?A: Litšenyehelo li fapana haholo, ho tloha ho makholo a seng makae ho ea ho lidolara tse sekete. Lintlha li kenyelletsa sebaka sa hau, litefiso tsa ramotlakase, sebaka se hole le phanele, le haeba phanele ea hau e hloka ho ntlafatsoa. Fumana mantsoe a mangata.
Q3: NEMA 14-50 e tla lefisa EV ea ka kapele hakae?K: Sena se ipapisitse le tjhaja ea EV ea hau le EVSE (yuniti ea tjhaja) eo u e sebelisang. ANEMA 14-50Potoloho e ka ts'ehetsa litefiso tsa ho tjhaja ho tloha ho 7.7 kW ho isa ho 9.6 kW. Sena se ka eketsa sebaka sa lik'hilomithara tse 20-35 ka hora ea ho tjhaja li-EV tse ngata.
Q4: Phanele ea motlakase ea ntlo ea ka ke ea khale. A na nka kenya NEMA 14-50?A: Mohlomong. Setsebi sa motlakase se hloka ho etsa "calculation load" ho bona hore na phanele ea hau e na le bokhoni bo lekaneng. Haeba ho se joalo, kapa haeba ho se na likheo tse se nang letho, u ka 'na ua hloka ho ntlafatsa phanele ea hau, e leng litšenyehelo tse ling.
Q5: Na sebaka sa NEMA 14-50 se thibela metsi? A na e ka kenngoa ka ntle?A: E tloaelehilengLibaka tsa NEMA 14-50ha li kenelle metsi. Bakeng sa ho kenya ka ntle, o tlameha ho sebelisa "Weather Resistant" (WR) e nang le litekanyetso tsa "Weather Resistant" (WR) le sekoahelo se nepahetseng sa "in-use" se sireletsang boemo ba leholimo se sireletsang plug le outlet le ha ho hong ho hoketsoe.
Q6: Na ke lokela ho khetha tjhaja e thata ea EV kapa plug-in ea NEMA 14-50 EV tjhaja?A: Li-charger tse nang le li-hardwired li hokahane ka kotloloho le potoloho, eo ba bang ba e ratang bakeng sa ho seta ka ho sa feleng le phepelo ea matla e phahameng hanyane. Plug-inLijajara tsa NEMA 14-50 EVfana ka maemo a bonolo ha u batla ho tsamaea le tjhaja kapa ho e fetola habonolo. Ka bobeli ke likhetho tse ntle haeba li kentsoe ka nepo. Tšireletseho le ho lumellana le khoutu ke senotlolo sa khetho efe kapa efe.
Litaba tsena ke tsa litaba feela, 'me ha li fane ka keletso ea litsebi tsa motlakase. Ho kenngoa ha NEMA 14-50 ho kenyelletsa matla a phahameng a motlakase (240V) 'me ho tlameha ho etsoa ke ramotlakase ea nang le tsebo, ea nang le lengolo ho latelaKhoutu ea Naha ea Motlakase (NEC)le dikhoutu tsohle tsa lehae. LinkPower ha e na molato leha e le ofe oa ho kenya ka mokhoa o fosahetseng ho latela tataiso ena.
Mehloli e Matla
Mokhatlo oa Naha oa Baetsi ba Motlakase (NEMA) -https://www.nema.org
Khoutu ea Naha ea Motlakase (NEC) - E Tšoaroa ke Mokhatlo oa Naha oa Tšireletso ea Mollo (NFPA) -https://www.nfpa.org/NEC
Electrical Safety Foundation International (ESFI) -https://www.esfi.org
(Litaelo tse khethehileng tsa ho tjhaja Moetsi oa EV, mohlala, Tesla, Ford, GM)
(Liwebsaete tse kholo tsa moetsi oa likarolo tsa motlakase, mohlala, Leviton, Hubbell)
Nako ea poso: May-29-2025