electrical safety compliance simon fraser university school of engineering science
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ELECTRICAL SAFETY COMPLIANCE
Simon Fraser UniversitySimon Fraser UniversitySchool of Engineering ScienceSchool of Engineering Science
Ken RutledgeCSA International
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• public safetypublic safety•government requirementgovernment requirement• liabilityliability• marketingmarketing• consumer choiceconsumer choice• dead customers can’t buy more stuff dead customers can’t buy more stuff • and . . . .and . . . .
ELECTRICAL SAFETY COMPLIANCE
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BECAUSE!BECAUSE!Someone will find a way to Someone will find a way to use your product in a way use your product in a way that you didn’t intend it to that you didn’t intend it to be usedbe used
ELECTRICAL SAFETY COMPLIANCE
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STANDARDS
WHY? WHY?
•ConsistencyConsistency•CompatibilityCompatibility•SafetySafety•Risk mitigationRisk mitigation
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STANDARDS
•Standards evaluate specific hazards Standards evaluate specific hazards •Hazards may be unique to class of Hazards may be unique to class of
product. ie: electro-medical products 2-product. ie: electro-medical products 2-part seriespart series
part-1 general requirementspart-1 general requirements 50+ ‘part 2’ product-specific 50+ ‘part 2’ product-specific
requirementsrequirements
•CSA 2500 published standardsCSA 2500 published standards•350+ electrical / electronic350+ electrical / electronic
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STANDARDS
STANDARDS DEVELOPMENTSTANDARDS DEVELOPMENT•Written by consensusWritten by consensus•Representation from:Representation from:
industryindustry standards committeesstandards committees academicsacademics special interest groupsspecial interest groups
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STANDARDS
ELECTRICAL / ELECTRONICELECTRICAL / ELECTRONIC consumerconsumer industrial / commercialindustrial / commercial information technologyinformation technology audio/videoaudio/video electro-medicalelectro-medical
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STANDARDS
HARMONIZED STANDARDSHARMONIZED STANDARDS•International Electrotechnical International Electrotechnical
Commission - IECCommission - IEC•Adopted internationallyAdopted internationally•National Standards National Standards •Global MarketGlobal Market•Reduced compliance costsReduced compliance costs
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HAZARDS
TYPES OF HAZARDTYPES OF HAZARD•firefire•electric shockelectric shock•energyenergy•burnburn•physical physical •or . . . or . . .
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HAZARDS
ELECTRICAL ELECTRICAL • supplysupply
120V, 15A nominal120V, 15A nominal 30A / 2m before breaker trip30A / 2m before breaker trip up to 20kA momentary fault up to 20kA momentary fault
• hazard limitshazard limits P>15W = potential fire hazardP>15W = potential fire hazard II>0.5mA = reaction / >0.5mA = reaction / II>10mA = can’t let go>10mA = can’t let go 0.450.45µµC @ > 60V = hazardous chargeC @ > 60V = hazardous charge human physiology controlled by electrical impulseshuman physiology controlled by electrical impulses conflicting impulses can cause fibrillation or arrestconflicting impulses can cause fibrillation or arrest
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COMPLIANCE
STRATEGIES FOR COMPLIANCE
•Design compliance into product•Test before applying for evaluation•Preliminary consultation (TIS)
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COMPLIANCE
STRATEGIES FOR COMPLIANCE
•Creepage distance & clearance•layers of insulation•Fault protection•‘Double’ protection
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CERTIFICATION
PURPOSEPURPOSE• Independent evaluation by an Independent evaluation by an
accredited organizationaccredited organization• Statement of compliance Statement of compliance • Access to market(s)Access to market(s)• On-going conformity assessmentOn-going conformity assessment• MarketingMarketing
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CERTIFICATION
PRODUCT EVALUATIONPRODUCT EVALUATION • Physical examinationPhysical examination• TestingTesting
• Normal operation Normal operation • Fault conditionsFault conditions
• DocumentationDocumentation• Descriptive Report for inspectionsDescriptive Report for inspections• Certificate and product listing for clientCertificate and product listing for client
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INTERNATIONAL
CB SchemeCB Scheme• International agreementInternational agreement• Harmonized standardsHarmonized standards• Common report formatCommon report format• Issue local certification markIssue local certification mark• Global MarketGlobal Market• Reduced compliance costsReduced compliance costs
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INTERNATIONAL
CE: Self-DeclarationCE: Self-Declaration•European Union countriesEuropean Union countries•Product specific DirectivesProduct specific Directives•Electronic: Low Voltage DirectiveElectronic: Low Voltage Directive•Safety and EMC Safety and EMC •Self-Declaration Self-Declaration
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INTERNATIONAL
WEEE DirectiveWEEE Directive• Waste Electrical and Electronic Waste Electrical and Electronic
EquipmentEquipment• EU Member countriesEU Member countries• Landfill contentLandfill content• Producer responsible for recycling costsProducer responsible for recycling costs• Manufacture with ‘friendly’ materialsManufacture with ‘friendly’ materials• Will become CE Mark requirementWill become CE Mark requirement
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ELECTRICAL SAFETY COMPLIANCE
PURPOSEPURPOSE
• compatibility compatibility • safetysafety• risk mitigationrisk mitigation• and . . .and . . .
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