2024年5月10日发(作者:)
UNDERWRITERSLABORATORIESCERTIFICATIONREQUIREMENTDECISION
ThisCertificationRequirementDecisionispreparedandpublishedbyUnderwritersLaboratories(UL).It
isnormativefortheapplicableULProductCertificationProgram(s);however,itiscurrentlynotpartof
theULStandard(s)referencedbelow.
ProductCategory(CCN):QOYX
StandardNumber:UL1786
EditionDate:December9,2005
EditionNumber:3
Section/ParagraphReference:7.7.4,7.7.5,11.11,11.12,11.13
DECISION:
[NEW]
7.7.4Aplugfaceprovidedwitharotationalmechanismtopermitadjustablepositioningofthedeviceafter
insertionintotheduplexreceptacleshallcomplywiththerotationalendurancetestofClause11.13:
Exception:Rotationalendurancetestingisnotperformedifthemechanismisprovidedwithanintegral
stoptolimitrotationoftheplugfacetoamaximumof270degreesandcomplieswiththetorquetestof
Clause11.11andtherotationalcyclingtestofClause11.12.
11.11Torquetest
rdancewiththeExceptiontoClause7.7.4adeviceshallbetestedasdescribedinClause
11.11.2andcomplywithClause11.11.3.
iceshallbeinsertedintoaduplexreceptacle
imumangleofrotationshall
orqueof20in-lbf(2.26n-m)shallbeappliedclockwise
tshallberepeatedonthesamesampleswith
counter-clockwiserotationandapplicationoftorque.
11.11.3Thereshallbenodamagetothedevice,ational
mechanismshallnotbeabletorotatemorethan270degrees.
11.12Rotationalcyclingtest
rdancewiththeExceptiontoClause7.7.4adeviceshallbetestedasdescribedin
Clauses11.12.2andcomplywithClause11.12.3.
nergizeddeviceshallbeinsertedintoaduplex
receptacliceshallthenbe
rotatedcongeofmotionshall
berepeatedfor6,000cycles,atarateof6–ouldbetakentonotapplya
torquesufficienttooverridetheintegralstop.
11.12.3Thereshallnotbeanydamagetothedevice,conductors,leof
rotationshallnotexceed270degrees.
11.13Rotationalendurancetest
UL COPYRIGHTED MATERIAL –
NOT AUTHORIZED FOR FURTHER REPRODUCTION OR
DISTRIBUTION WITHOUT PERMISSION FROM UL
Document Was Downloaded By mike chou For Use By GEO IND CO LTD 35385 : 3/23/2010 - 12:14 AM
STANDARDNUMBER:UL1786-2-
rdancewithClause7.7.4adeviceshallbetestedasdescribedinClauses11.13.2and
complywithClause11.13.3.
nergizeddeviceshallbeinsertedintoaduplex
iceshallthenberotated
ectionofmotionshallbealternatedbetweenclockwiseand
counter-clockwiseforatotalof6,000cycles,atarateof6–ardsthedevice
shallbesubjectedtotheTemperatureTestinClause9.1.
11.13.3Thereshallbenovisibledamagetothedevice,
theconductingtheTemperatureTestinClause9.1,thecontacttemperatureriseshallnotexceed30°C.
RATIONALEFORDECISION:
Thespecifiedtestsareintendedtodeterminesuitabilityofthemechanismandcontactsofdevicesthat
rotatetoaccommodatereceptacleorientation.
Therotationalendurancetestisbasedonwhatisrequiredforreceptacleswithasimilarfullrotation(360
degree)etestandarotationalcyclingtestaddressconstructionswith
mechanicalstopsthatpreventfullrotation.
The270degreerotationlimitfordeviceswithstopsisintendedtodiscouragetheuserfromforcingfull
20in-lbf(2.26n-m)torquevaluewasderivedfromtheCSAC22.2No.12,SwivelStrength,
6000cyclesofenduranceareconsideredanappropriatenumberof
cyclestoreasonablysimulatethelifeoftheproduct.
Theserequirementsdonotapplytodirectplug-inairfreshenersanddeodorizerswithasecondary
illuminaseproductsthe
testinUL283,Sec.62coverstherotationalbladefeature.
Copyright©2007UnderwritersLaboratoriesInc.
UL,inperformingitsfunctionsinaccordancewithitsobjectives,doesnotguaranteeorwarrantthe
correctnessofCertificationRequirementDecisionsitmayissueorthattheywillberecognizedoradopted
ficatio
notrepresentformalinterpretationsofthe
standardunderAmericanNationalStandardsInstitute(ANSI)lnotberesponsibleto
anyonefortheuseoforrelianceuponCertifilnotincur
anyobligationorliabilityfordamages,includingconsequentialdamages,arisingoutoforinconnection
withtheuseorrelianceuponCertifictronicversionofthe
CertificationRequirementDecisionisthecurrentversionandpreviouslyprintedcopiesmaybeoutdated.
ThisdocumentispublishedasaservicetoUL’scertificationcustomers
UL COPYRIGHTED MATERIAL –
NOT AUTHORIZED FOR FURTHER REPRODUCTION OR
DISTRIBUTION WITHOUT PERMISSION FROM UL
Document Was Downloaded By mike chou For Use By GEO IND CO LTD 35385 : 3/23/2010 - 12:14 AM


发布评论