Table Of Contents
NEMA 14-50 Technical Cheat Sheet (EV Application)
| Feature | Specification / NEC Requirement |
| Max Circuit Court ntsuas | 50 Amps (Breaker Loj) |
| Nruam Load Limit | 40 Amps Max (Tswj los ntawmNEC 210.20(A)&NEC 625.42"80% Txoj Cai") |
| Qhov hluav taws xob | 120V / 240V Split-Phase (4-Xaiv) |
| Yuav tsum tau xaim | 6 AWG tooj liab min. THHN/THWN-2 (PerNEC Table 310.16rau 60 ° C / 75 ° C kab) |
| Terminal Torque | TSEEM CEEB:Yuav tsum siv lub torque screwdriver rau cov chaw tsim khoom specs (typ. 75 in-lbs) los tiv thaiv arcing. |
| GFCI Requirement | Yuav tsum taurau Garages & Outdoors (NEC 2020/2023 Art. 210.8) |
| Qib Receptacle | Qib Industrial nkaus xwb(Tsis txhob "Qib tsev nyob" rau EVs) |
| Ceg Circuit | Yuav tsum tau Dedicated Circuit Court (NEC 625.40) |
Safety Advisory:High-amperage nruam loads tsim tshwj xeeb thermal txaus ntshai. Raws li tsab ntawv ceeb toom los ntawm lubHluav taws xob kev nyab xeeb Foundation International (ESFI), nyob hauv hluav taws xob ua haujlwm tsis zoo yog qhov tseem ceeb ntawm kev tsim hluav taws xob. Rau EVs, qhov kev pheej hmoo yog sib xyaw ua ke los ntawm kev thauj khoom tas mus li (6-10 teev).Cov Lus Cim Ua Raws Cai:Thaum phau ntawv qhia no sivNCEES 2023, local codes txawv. CovTxoj cai muaj cai lij choj (AHJ)nyob rau hauv koj cheeb tsam (tus neeg soj ntsuam lub tsev hauv cheeb tsam) muaj qhov kawg hais thiab tej zaum yuav muaj cov kev cai tshaj lub teb chaws tus qauv.
Phau ntawv no ua raws li covNEC 2023 Standards. Peb yuav piav qhia tias yog vim li cas "Residential Grade" qhov hluav taws xob yaj, yog vim li cas torque tseem ceeb, thiab yuav ua li cas los xyuas koj lub tshuab hluav taws xob ua haujlwm kom paub tseeb tias koj tsev neeg muaj kev nyab xeeb.
NEMA 14-50 yog dab tsi? Decoding Electrical Specs & Structure
NEMA sawv cev rau National Electrical Manufacturers Association. Cov pab pawg no tau teeb tsa cov qauv rau ntau yam khoom siv hluav taws xob hauv North America. Cov lej thiab cov tsiaj ntawv hauvSIB 14-50qhia peb txog qhov hluav taws xob.
Lub "14" txhais tau tias nws muab ob "kub" xov hlau, ib tug nruab nrab hlau, thiab ib tug av xaim. Qhov kev teeb tsa no tso cai rau nws muab ob qho tib si 120 volts thiab 240 volts.Qhov "50" qhia txog qhov ntsuas qhov txais tos. Raws liNEC 210.21(B)(3), 50-ampere receptacle tuaj yeem ntsia tau rau ntawm 50-ampere ceg Circuit Court. Txawm li cas los xij, rau EV them (txhais tau tias yog lub nra tas mus li),NEC 625.42txwv qhov tso zis rau 80% ntawm qhov ntsuas hluav taws xob. Yog li, 50A breaker tso cai rau qhov siab tshaj plaws40A txuas ntxiv them. Lub receptacle muaj ib tug ncaj av pin (G), ob ncaj kub pins (X, Y), thiab ib tug L-shaped (los yog nkhaus) nruab nrab tus pin (W).
•Ob lub xov hlau kub (X, Y):Cov no muaj 120 volts txhua. Ua ke, lawv muab 240 volts.
•Neutral Wire (W):Qhov no yog txoj kev rov qab rau 120-volt circuits. Nws feem ntau yog puag ncig lossis L-puab.
•Ground Wire (G):Qhov no yog rau kev nyab xeeb. Nws feem ntau yog U-puab lossis puag ncig.
Nws yog ib qho tseem ceeb uas yuav tau siv qhov tseeb14-50 : kuvnrog rau14-50 Nwskom ntseeg tau tias muaj kev sib raug zoo.
Ntawm no yog li cas covSIB 14-50piv rau lwm qhov chaw NEMA:
| Feature | SIB 14-50 | NEMA 10-30 (Cov tshuab ziab khaub ncaws qub) | NEMA 14-30 (Cov tshuab ziab khaub ncaws tshiab) | NEMA 6-50 (Welders, qee cov EVs) |
|---|---|---|---|---|
| Qhov hluav taws xob | 120V / 240V 1 | 120V / 240V 1 | 120V / 240V 1 | 240 V |
| Amperage | 50A (siv ntawm 40A txuas ntxiv) | 30 A | 30 A | 50 A |
| Hlau | 4 (2 Kub, nruab nrab, hauv av) | 3 (2 Kub, nruab nrab, tsis muaj av) | 4 (2 Kub, nruab nrab, hauv av) | 3 (2 Kub, av, tsis muaj nruab nrab) |
| Hauv av | Yog lawm | Tsis yog (laus dua, tsis muaj kev nyab xeeb) | Yog lawm | Yog lawm |
| Siv dav | EVs, RVs, Ranges, Ovens | Laus Electric Dryers | Cov tshuab ziab khaub ncaws tshiab dua, cov kab me me | Welders, qee qhov EV Chargers |
Koj tuaj yeem pom covSIB 14-50Nws muaj ntau yam vim nws muaj ob qho kev xaiv voltage thiab muaj cov xaim hauv av rau kev nyab xeeb. Cov240 volt qhov hluav taws xob NEMA 14-50kev muaj peev xwm yog qhov tseem ceeb rau kev xav tau lub zog siab.
NEMA 14-50's Core Applications
A. Lub Tsheb Hluav Taws Xob (EV) Them Nqi: Ib qho kev xaiv zoo tshajYog tias koj muaj EV, koj xav them sai sai tom tsev. Tus qauv 120-volt qhov hluav taws xob (Qib 1 them) tuaj yeem siv sijhawm ntev heev. CovSIB 14-50tso cai rau kom nrawm dua Theem 2 them.
•Vim li cas nws thiaj zoo rau Theem 2: A NEMA 14-50 EV chargertuaj yeem xa mus txog 9.6 kW (kW) ntawm lub zog (240V x 40A). Qhov no yog ntau tshaj li 1-2 kW los ntawm qhov hluav taws xob tsis tu ncua.
• Them sai dua:Qhov no txhais tau tias koj tuaj yeem them tag nrho EVs thaum hmo ntuj. Los yog, koj tuaj yeem ntxiv ntau yam tseem ceeb hauv ob peb teev xwb.
•Compatibility:Muaj ntau lub tshuab hluav taws xob EV tuaj nrogNEMA 14-50 Plug. Qee cov phab ntsa-mounted chargers tuaj yeem txuas rau hauv ib qho14-50 Nws, muab kev hloov pauv yog tias koj txav mus.
B. Lub Tsheb Ua Si (RVs): "Lifeline"Rau cov tswv RV, lubSIB 14-50yog qhov tseem ceeb. Cov chaw pw hav zoov feem ntau muab aNEMA 14-50 qhov hluav taws xobrau "lub zog ntawm ntug dej."
• Fais fab koj RV:Qhov kev sib txuas no cia koj khiav txhua yam hauv koj lub RV. Qhov no suav nrog cua txias, microwaves, teeb, thiab lwm yam khoom siv.
• 50 Amp RVs:Loj RVs nrog ntau lub AC units lossis ntau yam khoom siv feem ntau xav tau a50 amp NEMA 14-50kev sib txuas ua haujlwm kom tiav.
C. Cov Khoom Siv Hluav Taws Xob Hauv TsevLub qhov hluav taws xob no tsis yog rau tsheb xwb. Ntau lub tsev siv nws rau:
• Hluav taws xob ntau thiab qhov cub:Cov neeg ua haujlwm hauv chav ua noj no xav tau ntau lub zog.
•Electric Dryers:Qee lub tshuab ziab khaub ncaws loj lossis laus dua tuaj yeem siv lub tshuab ziab khaub ncawsSIB 14-50. (Txawm hais tias NEMA 14-30 muaj ntau dua rau cov tshuab ziab khaub ncaws niaj hnub no).
• Kev cob qhia:Welders, loj cua compressors, los yog kilns yuav siv a14-50 : kuv.
D. Kev xaiv lub hwj chim ib ntus thiab thaub qabQee zaum, koj xav tau ntau lub zog ib ntus. CovSIB 14-50tuaj yeem muaj txiaj ntsig zoo rau cov chaw ua haujlwm lossis ua ib qho chaw sib txuas rau qee yam ntawm cov tshuab hluav taws xob thaub qab thaum lub zog hluav taws xob.
Kev Ntsuam Xyuas Qhov tob: Xaiv & Txhim Kho NEMA 14-50 - Phau Ntawv Qhia "Pitfall Avoidance"
Txhim kho a240v NEMA 14-50 qhov hluav taws xobNws tsis yog qhov yooj yim DIY project rau cov neeg feem coob. Nws suav nrog kev ua haujlwm nrog high voltage. Kev ua yuam kev tuaj yeem ua rau muaj kev phom sij. Nov yog yam koj yuav tsum paub.
A. Tus nqi tiag: Ntau tshaj li qhov hluav taws xobTus nqi ntawm covNEMA 14-50 receptaclenws tus kheej yog me me. Tab sis tag nrho cov nqi tuaj yeem ntxiv.
Kev kwv yees kev siv nyiaj (2025 tus nqi)
| Cheebtsam | Tus nqi kwv yees | Cov Lus Qhia Tshwj Xeeb |
| Industrial Receptacle | $50 - $100 | Tsis txhob yuav qhov $10 generic version. |
| Tooj liab (6/3) | $4 - $6 / ft | Tus nqi hloov pauv. Ntev khiav tau kim ceev. |
| GFCI Breaker (50A) | $90 - $160 | NEC 2023 xav kom GFCI rau garages (Standard breakers yog ~ $ 20). |
| Tso cai & tshuaj xyuas | $50 - $200 | Yuav tsum tau tuav pov hwm txoj cai. |
| Hluav taws xob ua haujlwm | $300 - $800+ | Nws txawv raws cheeb tsam thiab complexity. |
| TAG NRHO ESTIMATE | $600 - $1,500+ | Xav tias vaj huam sib luag muaj peev xwm. Kev hloov kho vaj huam sib luag ntxiv $2k+. |
B. Kev Nyab Xeeb Ua Ntej: Kev txhim kho kev tshaj lij yog qhov tseem ceebQhov no tsis yog qhov chaw txiav cov ces kaum. Ua haujlwm nrog 240 volts yog qhov txaus ntshai.
•Vim li cas ib tug Pro?Cov kws hluav taws xob muaj ntawv tso cai paub National Electrical Code (NEC) thiab cov lej hauv zos. Lawv xyuas kojNEMA 14-50 qhov hluav taws xobyog ntsia zoo thiab raug. Qhov no tiv thaiv koj lub tsev, koj cov khoom siv, thiab koj tsev neeg.
Kev teeb tsa ntawm NEMA 14-50 yuav tsum nruj me ntsis ua raws li National Electrical Code (NEC) cov qauv, feem ntau yog tswj hwm los ntawmNPE 70. Cov ntsiab lus tseem ceeb suav nrog:
1. Dedicated Circuit Requirement (NEC 625.40):EV charging loads yuav tsum tau muab los ntawm ib tug nyias muaj nyias ib ceg Circuit Court. Tsis muaj lwm qhov hluav taws xob lossis teeb pom kev tuaj yeem faib cov kab no.
2. Torque Requirements (NEC 110.14(D)):"tes-tight" tsis txaus. Koj yuav tsum siv lub cuab yeej calibrated torque kom ua tiav cov chaw tsim khoom lub zog torque (feem ntau 75 hauv-lbs).
3. Hlau dabtsi yog khoov qhov chaw (NEC 314.16):Xyuas kom lub thawv hluav taws xob sib sib zog nqus txaus kom haum rau 6 AWG xov hlau yam tsis ua txhaum txoj cai bending vojvoog.
NEC 2020/2023 nruj me ntsis yuav tsum tauGFCI kev tiv thaivrau tag nrho 240V qhov hluav taws xob hauv chaw nres tsheb. Txawm li cas los xij, qhov no tuaj yeem ua rau muaj teeb meem:
•Kev tsis sib haum xeeb (CCID vs. GFCI):Feem ntau EVSE units muaj ib qho built-in "Charging Circuit Interrupting Device" (CCID) teem caij mus ncig ntawm 20mA to tam sim no. Txawm li cas los xij, tus qauv Class A GFCI breaker xav tau los ntawm NEC 210.8 rau kev txais khoom mus ncig ntawm 5mA.Thaum ob lub ntsuas hluav taws xob ua haujlwm hauv cov koob, qhov kev xav tsis sib haum xeeb thiab kev kuaj tus kheej feem ntau ua rau "tshuaj tsis zoo."
•Lub Hardwire Solution (NEC 625.54 Exception Logic): TIAB SA 625.54txoj cai GFCI kev tiv thaiv tshwj xeeb rautxais tossiv rau EV them. Los ntawm hardwiring EVSE (tshem tawm NEMA 14-50 receptacle nkaus), koj ua tau zoo bypass NEC 210.8 thiab 625.54 receptacle cov cai, cia siab rau EVSE's sab hauv CCID tiv thaiv (nyob rau hauv lub zos AHJ pom zoo).
•Qhov yuam kev ntau yog DIY-ing (thiab lawv cov phom sij!):
•Cov Hlau Tsis Zoo: Cov xaim me me dhau tuaj yeem ua rau kub dhau thiab ua rau hluav taws kub.
•Txoj kev tsis raug: Ib lub tshuab tawg uas loj dhau yuav tsis tiv thaiv lub voj voog. Ib qho tawg uas me dhau yuav mus ntau zaus.
• Kev sib txuas xoob: Cov no tuaj yeem ua rau arc, spark, thiab ua rau hluav taws kub lossis puas tsuaj.
•Kev sib xyaw hlau: Kev sib txuas cov xov hlau mus rau cov khoom siv tsis raug tuaj yeem ua rau cov khoom puas lossis tsim kev puas tsuaj. CovNEMA 1450 receptacle(lwm txoj kev neeg xa mus rau lubNEMA 14-50 receptacle) kev xaim yog qhov tshwj xeeb.
• Tsis muaj ntawv tso cai/Kev soj ntsuam: Qhov no tuaj yeem ua teeb meem nrog kev pov hwm lossis thaum muag koj lub tsev.
•Nrhiav ib tug zoo hluav taws xob:
•Nug cov lus pom zoo.
• Tshawb xyuas daim ntawv tso cai thiab kev pov hwm.
•Saib cov kev tshuaj xyuas online.
• Tau txais daim ntawv kwv yees.
C. Yav Tom Ntej-Proofing: NEMA 14-50 thiab Ntse ZogCovSIB 14-50tsis yog rau hnub no xwb. Nws tuaj yeem yog ib feem ntawm lub tsev ntse dua.
•Smart EV Chargers:NtauNEMA 14-50 EV chargerqauv yog "smart." Koj tuaj yeem tswj lawv nrog ib qho app, teem sijhawm them nqi hluav taws xob pheej yig dua, thiab taug qab siv lub zog.
•Lub Tsev Zog Hluav Taws Xob:Raws li tib neeg ntxiv cov hnub ci vaj huam sib luag lossis cov roj teeb hauv tsev, muaj zog240v NEMA 14-50 qhov hluav taws xobtuaj yeem yog qhov tseem ceeb txuas rau qee yam khoom siv.
•Vehicle-to-Home (V2H) / Tsheb-rau-Grid (V2G):Cov no yog cov tswv yim tshiab. Lawv koom nrog EVs xa hluav taws xob rov qab mus rau hauv tsev lossis hauv daim phiaj. Thaum tseem txhim kho, muaj ib50 amp NEMA 14-50Circuit Court yuav pab tau thaum cov technologies loj hlob tuaj.
•Tus nqi tsev:Ib tug zoo ntsiaNEMA 14-50 qhov hluav taws xob, tshwj xeeb tshaj yog rau EV them, tuaj yeem yog qhov zoo nkauj yog tias koj muag koj lub tsev.
D. Cov ntsiab lus mob ntawm tus neeg siv: Cov teeb meem tshwm sim & kev daws teeb meemTxawm tias muaj kev txhim kho zoo, koj yuav muaj lus nug.
• Qhov hluav taws xob/Plug Kub:Yog kojNEMA 14-50 Pluglos yog lub qhov hluav taws xob hnov kub heev, tsis txhob siv tam sim ntawd thiab hu rau tus kws kho hluav taws xob. Qhov no tuaj yeem yog vim qhov kev sib txuas xoob, lub qhov hluav taws xob tsis zoo, qhov hluav taws xob ntau dhau, lossis lub qhov hluav taws xob tsis zoo. Industrial-qib qhov hluav taws xob feem ntau ua kom sov zoo dua.
•Tso teeb meem Flowchart: Vim li cas kuv NEMA 14-50 Kub?
Kauj ruam 1:Puas yog qhov kub siab tshaj 140 ° F (60 ° C)? ->YOG:Txhob them tam sim ntawd.
Kauj ruam 2: Tshawb xyuas kev teeb tsa.Puas yog lub torque ntsia hlau siv thaum nruab? ->TSIS MUAJ / TSIS MUAJ: TSIS TXAUS SIAB RAU LIVE WIRES.Hu rau tus kws kho hluav taws xob uas muaj ntawv tso cai tam sim ntawd los ua qhov kev soj ntsuam torque ibNEC 110.14(D).
Kauj Ruam 3:Tshawb xyuas Hlau Hom. Puas yog tooj liab? ->TSIS MUAJ (Aluminium):Xyuas kom meej tias cov tshuaj tua kab mob antioxidant tau siv thiab cov khoom siv hluav taws xob yog AL / CU ntsuas (NEC 110.14).
Kauj Ruam 4:Tshawb xyuas Receptacle Brand. Puas yog Leviton Residential? ->YOG:Hloov nrog Hubbell / Bryant Industrial Qib.
•Txoj kev mus ncig ntau zaus:Qhov no txhais tau hais tias lub Circuit Court yog nqus lub zog ntau dhau, lossis muaj qhov yuam kev. Tsis txhob cia li rov pib dua nws. Tus kws hluav taws xob yuav tsum nrhiav qhov laj thawj.
• EV Charger Compatibility:Feem ntau Theem 2 EV chargers ua haujlwm nrog aSIB 14-50. Tab sis nco ntsoov xyuas koj EV thiab phau ntawv them nqi.
• Siv sab nraum zoov:Yog koj14-50 Nwsyog sab nraum zoov (xws li, rau RV lossis sab nraud EV them), nws yuav tsum yog hom huab cua-resistant (WR) thiab ntsia rau hauv qhov tsim nyog "hauv-siv" npog huab cua tsis zoo. Qhov no tiv thaiv nws los ntawm nag thiab noo noo.
NEMA 14-50 Installation Txheej txheem cej luam
Ceeb Toom: Qhov no tsis yog DIY phau ntawv qhia.Cov txheej txheem no yuav pab koj nkag siab tias koj tus kws kho hluav taws xob yuav ua li cas. Ib txwm ntiav ib tus kws tshaj lij uas tsim nyog.
1. Kev npaj:Tus kws hluav taws xob yuav xyuas koj lub vaj huam sib luag hluav taws xob lub peev xwm. Lawv yuav pab xaiv qhov chaw zoo tshaj plaws rau covNEMA 14-50 qhov (socket). Lawv yuav nrhiav txoj hauv kev.
2.Safety Off:Lawv yuav tua lub zog tseem ceeb rau koj lub tsev ntawm lub vaj huam sib luag. Qhov no yog qhov tseem ceeb.
3.Running Hlau:Lawv yuav khiav lub ntsuas hluav taws xob kom raug (piv txwv li, 6/3 AWG tooj liab nrog hauv av) los ntawm lub vaj huam sib luag mus rau qhov chaw hluav taws xob. Qhov no tej zaum yuav cuam tshuam los ntawm phab ntsa, attics, lossis crawlspaces. Conduit tuaj yeem siv los tiv thaiv.
4.Installing Breaker & Outlet:Lawv yuav nruab ib qho tshiab 50-amp ob-ncej Circuit Court breaker hauv qhov khoob hauv koj lub vaj huam sib luag. Lawv yuav txuas cov xov hlau mus rau lub breaker. Tom qab ntawd, lawv yuav xaim14-50 Nwsnyob rau hauv ib lub thawv hluav taws xob ntawm qhov chaw xaiv, xyuas kom txhua lub xaim mus rau qhov chaw nres tsheb kom raug (Kub, Kub, nruab nrab, hauv av).
5. Kev sim:Tom qab txhua yam txuas thiab kuaj xyuas, lawv yuav tig lub hwj chim rov qab. Lawv yuav kuaj lub qhov hluav taws xob kom ntseeg tau tias nws tau xaim raug thiab muab qhov hluav taws xob zoo.
6. Kev tshuaj xyuas:Yog tias daim ntawv tso cai raug rub, tus kws tshuaj xyuas hluav taws xob hauv zos yuav kuaj xyuas cov haujlwm kom ntseeg tau tias nws ua tau raws li txhua tus lej.
Ntse Khw: Xaiv Cov Khoom Siv Zoo NEMA 14-50
Tsis yog txhua qhov hluav taws xob tau ua kom sib npaug. Rau kev sib txuas hluav taws xob siab zoo li aSIB 14-50, zoo teeb meem rau kev nyab xeeb thiab lub neej ntev.
A. NEMA 14-50R Receptacle (Lub qhov hluav taws xob):
• Ntawv pov thawj:Saib rau UL Listed lossis ETL Cov Ntawv Teev Npe. Qhov no txhais tau tias nws ua tau raws li cov qauv kev nyab xeeb.
• Qib: siab
Vim li cas "Residential Grade" Fail: LinkPower Lab Empirical Data
Peb tsis yog kwv yees xwb; peb sim nws. Hauv LinkPower qhov kev sib piv thermal cycling test (Methodology: 40A nruam load, 4-teev ON / 1-teev OFF voj voog), peb tau pom cov qauv tsis ua haujlwm sib txawv:
•Residential Qib (Thermoplastic):Tom qab50 cycles, sab hauv kev sib cuag kub tau nce los ntawm18 ° Cvim yas deformation relaxing lub davhlau ya nyob twg siab. Los ntawm lub voj voog 200, ntsuas kev tiv thaiv tau nce los ntawm0,5 hmo, tsim kom muaj kev pheej hmoo thermal.
•Industrial Qib (Thermoset/Hubbell/Bryant):Kev ruaj ntseg tiv tauj siab rau1,000+ cyclesnrog tsawg dua2 ° Ckub variance.
•Material Science Analysis (Thermoplastic vs. Thermoset):Standard "Residential Grade" receptacles (feem ntau ua raws li qhov yooj yimTIAB SA 498cov qauv) yog tsim los rau cov khoom sib txuas xws li tshuab ziab khaub ncaws. Lawv feem ntau sivThermoplasticlub cev uas tuaj yeem muag ntawm qhov kub siab tshaj 140 ° F (60 ° C). Hloov pauv, "Industrial Grade" units (piv txwv li, Hubbell HBL9450A lossis Bryant 9450NC) feem ntau sivThermoset (Urea / Polyester)Cov vaj tse sib xyaw thiab cov khoom siv tooj dag siab uas tsim los tiv thaiv cov thermal expansion cycles ntawm kev them nyiaj tas li EV yam tsis muaj deformation.
Cov Lus Qhia Tshwj Xeeb:Tsis txhob txuag $40 ntawm qhov hluav taws xob kom pheej hmoo $50,000 tsheb lossis tsev. txheeb xyuas koj tus kws kho hluav taws xob tab tom txhim kho qib Industrial.
•Terminals:Cov qhov hluav taws xob zoo muaj cov ntsia hlau terminals ruaj khov rau kev ruaj ntseg ntawm cov hlau txuas.
B. NEMA 14-50P Plug thiab Cord Sets (rau cov khoom siv / Chargers):
• Hlau Gauge:Xyuas kom txhua txoj hlua nrog a14-50 : kuvsiv cov hlau tuab tuab rau nws qhov ntev thiab amperage.
•Moulded Plugs:Cov zoo molded plugs feem ntau muaj kev nyab xeeb thiab ruaj khov dua li qhov koj sib sau ua ke koj tus kheej.
• Ntawv pov thawj:Ntxiv dua thiab, nrhiav UL lossis ETL cov cim.
C. EVSE (Electric Vehicle Supply Equipment) / EV Chargers:Yog koj tau txais ibNEMA 14-50 EV charger:
•Power Level:Xaiv ib qho uas phim koj EV lub peev xwm them nqi thiab koj cov hluav taws xob hluav taws xob (max 40A txuas ntxiv ntawm 50A Circuit Court).
• Ntse nta:Xav txog yog tias koj xav tau Wi-Fi, app tswj, lossis teem sijhawm.
•Hom & tshuaj xyuas:Tshawb nrhiav cov npe nrov npe thiab nyeem cov neeg siv tshuaj xyuas.
•Safety Certified:Xyuas kom nws yog UL lossis ETL teev.
D.LinkPower's Exclusive Durability Methodology: Thermal Cycle Test'
Rau EV charging, nquag siv high-amp ua rau thermal cycling (cua sov thiab txias). LinkPower kuaj nws cov qib industrial-qib NEMA 14-50 receptacles siv ib tug proprietary Thermal Cycle Test, raug rau chav tsev.40A nruam load rau 5 teev, ua raws li 1-teev so lub sijhawm, rov ua dua 1,000 zaug.Cov txheej txheem no, tshaj li cov qauv UL, xyuas kom meej tias lub davhlau ya nyob twg torque kev ncaj ncees thiab cov vaj tsev yas nyob twj ywm, uas ua rau muaj kev sib tsoo99.9% kev ntseeg siab tiv taujtus nqi tom qab siv ntau heev.
Embrace NEMA 14-50 rau lub neej muaj txiaj ntsig hluav taws xob
CovSIB 14-50yog ntau tshaj li qhov hluav taws xob hnyav. Nws yog lub rooj vag rau EV them sai dua, xis RVing, thiab siv cov khoom siv hluav taws xob siab. To taub dab tsi aNEMA 14-50 Plugthiabtxais tosyog, lawv ua haujlwm li cas, thiab lawv cov txiaj ntsig tuaj yeem pab koj xaiv qhov ntse rau koj lub tsev lossis kev lag luam.
Nco ntsoov, tus yuam sij rau kev siv lub zog no240 volt qhov hluav taws xob NEMA 14-50yog kev nyab xeeb. Ib txwm muaj ib tus kws kho hluav taws xob uas muaj ntawv tso cai los tuav lub installation. Nrog kev teeb tsa kom raug, koj50 amp NEMA 14-50kev sib txuas yuav pab koj ntseeg siab rau xyoo tom ntej.
FAQ
Q1: Kuv puas tuaj yeem nruab NEMA 14-50 kuv tus kheej?A: Nws poob siab heev tshwj tsis yog tias koj yog ib tus kws kho hluav taws xob muaj ntawv tso cai. Ua haujlwm nrog 240 volts yog qhov txaus ntshai. Kev teeb tsa tsis raug tuaj yeem ua rau hluav taws, hluav taws xob poob siab, lossis kev puas tsuaj rau cov khoom siv. Ib txwm ntiav tus kws tshaj lij.
Q2: Nws raug nqi npaum li cas rau nruab NEMA 14-50 qhov hluav taws xob?A: Cov nqi sib txawv, los ntawm ob peb puas mus rau ntau tshaj ib txhiab daus las. Cov xwm txheej suav nrog koj qhov chaw nyob, tus nqi hluav taws xob, kev ncua deb ntawm lub vaj huam sib luag, thiab yog tias koj lub vaj huam sib luag xav tau kev kho dua tshiab. Tau txais ntau cov lus qhia.
Q3: Yuav ceev npaum li cas NEMA 14-50 them kuv EV?A: Qhov no nyob ntawm koj EV lub onboard charger thiab EVSE (chav them nyiaj) koj siv. ASIB 14-50Circuit Court feem ntau tuaj yeem txhawb nqa tus nqi them los ntawm 7.7 kW txog 9.6 kW. Qhov no tuaj yeem ntxiv 20-35 mais ntawm thaj tsam ib teev ntawm kev them nyiaj rau ntau lub EVs.
Q4: Kuv lub tsev vaj huam sib luag hluav taws xob qub. Kuv puas tuaj yeem nruab NEMA 14-50?A: Tej zaum. Tus kws tshaj lij hluav taws xob yuav tsum tau ua "load xam" kom pom tias koj lub vaj huam sib luag muaj peev xwm txaus. Yog tias tsis yog, lossis tsis muaj qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob
Q5: Puas yog NEMA 14-50 qhov hluav taws xob tsis zoo? Nws puas tuaj yeem ntsia sab nraum zoov?A: TxheemNEMA 14-50 qhov hluav taws xobtsis waterproof. Rau kev teeb tsa sab nraum zoov, koj yuav tsum siv lub "Weather Resistant" (WR) rated receptacle thiab ib tug zoo "hauv-siv" weatherproof cover uas tiv thaiv lub plug thiab qhov hluav taws xob txawm thaum ib yam dab tsi yog ntsaws rau hauv.
Q6: Kuv puas yuav tsum xaiv lub hardwired EV charger lossis plug-in NEMA 14-50 EV charger?A: Hardwired chargers tau txuas ncaj qha rau hauv Circuit Court, uas qee tus nyiam rau kev teeb tsa mus tas li thiab muaj peev xwm xa hluav taws xob ntau dua. Plug-hauvNEMA 14-50 EV chargersmuab kev yooj yim dua yog tias koj xav nqa lub charger nrog koj lossis yooj yim pauv nws tawm. Ob leeg yog cov kev xaiv zoo yog tias tau teeb tsa kom raug. Kev nyab xeeb thiab kev ua raws cai yog qhov tseem ceeb rau ob qho kev xaiv.
Cov ntsiab lus no yog siv rau cov ntaub ntawv xov xwm nkaus xwb thiab tsis yog cov lus qhia txog hluav taws xob. Kev teeb tsa ntawm NEMA 14-50 suav nrog kev siv hluav taws xob siab (240V) thiab yuav tsum tau ua los ntawm tus kws tshaj lij hluav taws xob tsim nyog, muaj ntawv tso cai ua raws li qhovNational Electrical Code (NEC)thiab tag nrho cov cai hauv zos. LinkPower tsis lees paub qhov kev lav phib xaub rau kev teeb tsa tsis raug raws li cov lus qhia no.
Cov peev txheej
National Electrical Manufacturers Association (NEMA) -https://www.nema.org
National Electrical Code (NEC) - Taug kev los ntawm National Fire Protection Association (NFPA) -https://www.nfpa.org/NEC
Hluav taws xob kev nyab xeeb Foundation International (ESFI) -https://www.esfi.org
(Tshwj xeeb EV Chaw tsim tshuaj paus kev them nqi, piv txwv li, Tesla, Ford, GM)
(Cov chaw tsim khoom siv hluav taws xob loj, xws li Leviton, Hubbell)
Post lub sij hawm: May-29-2025