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NEMA LSD 46-2009 Photoluminescent Exit Signage—Factual Review

NEMA LSD 46-2009 Photoluminescent Exit Signage—Factual Review

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时间：2019-10-18

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1、ANEMALightingSystemsDivisionDocumentLSD46-2009PhotoluminescentExitSignage—FactualReviewPreparedbyEmergencyLightingSectionNationalElectricalManufacturersAssociation1300North17thStreet,Suite1752Rosslyn,Virginia22209Therequirementsorguidelinespresentedinthisdocument,aNEMALightingS

2、ystemsDivisionwhitepaper,areconsideredtechnicallysoundatthetimetheyareapprovedforpublication.Theyarenotasubstituteforaproductseller’soruser’sownjudgmentwithrespecttotheparticularproductdiscussed,andNEMAdoesnotundertaketoguaranteetheperformanceofanyindividualmanufacturer’sproduc

3、tsbyvirtueofthisdocumentorguide.Thus,NEMAexpresslydisclaimsanyresponsibilityfordamagesarisingfromtheuse,application,orreliancebyothersontheinformationcontainedinthesewhitepapers,standards,orguidelines.LSD46-2009Contents1Introduction..............................................

4、................................................................................32Safety.......................................................................................................................................33EnergyConsumption....................................

5、...........................................................................64TotalCost.................................................................................................................................75EnforceabilityintheField.....................................

6、....................................................................86Conclusion...............................................................................................................................8©Copyright2009bytheNationalElectricalManufacturersAssociation.2LSD46-2

7、0091IntroductionMostwouldagreetheuseoflow-pathegressmarkingsusingphotoluminescentmaterialaddstothesafeevacuationofanybuildingduringanemergencyevacuationunderpowerfailureconditions.Thistechnologyhasdistinctadvantagesinnumerousapplicationswheretraditionalegressmarkingequipmentisn

8、otanidealsolution.Thepurposeofthefollowingtextistoclar

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