DOCUMENT RESUME CE 004 266 Dearth, Charles E.; Nordvig,
DOCUMENT RESUMEED 107 997AUTHORTITLEINSTITUTIONSPON3 AGENCYPUB DATENOTEEDRS PRICEDESCRIPTORSIDENTIFIERSCE 004 266Dearth, Charles E.; Nordvig, Carl A.An Analysis of the Residential ElectricityOccupation.Ohio State Dept. of Education, Columbus. Div. ofVocational Education.; Ohio State Univ., Columbus.Trade and Industrial Education InstructionalMaterials Lab.Office of Education (DHEW), Washington, D.C.[75]82p.; For related documents, see CE 004 160-206, CE004 263-265, CE 004 267-268, and CE 004 425-427MF- O.76 HC- 4.43 PLUS POSTAGECommunication Skills; *Electrical Occupations;*Electricians; *Job Analysis; Knowledge Level;*Occupational Information; Safety; Skill Analysis;Skill Development; Skilled Occupations; *TaskAnalysis; Task Performance; Work Attitudes*Residential ElectriciansABSTRACTThe general purpose of the occupational analysis isto provide workable, basic information dealing with the many andvaried duties performed in the residential electricity occupation. Itdoes not cover the complete work of a master electrician, only thebasic skills needed to do residential wiring. The document opens witha brief introduction followed by a job description. The bulk of thedocument is presented in table form. Seven duties are broken downinto a number of tasks.and for each task a two-page table ispresented, showing on the first page: tools, equipment, materials,objects acted upon; performance knowledge (related also to decisions,cues and errors); safety--hazard; and on the second page: science;math--number systems; and communications (performance modes,examples, and skills and concepts). The duties include: laying outresidential wiring; installing proper entrance service, primary andsecondary cable runs, electric heat, miscellaneous wiring, and allfinishing electrical devices; and maintaining existing wiring.Appended are lists of mathematics terms and concepts and tools in astandard tool pouch. **************************Documents acquired by ERIC include many informal unpublished** materials not available from other sources. ERIC makes every effort *** to obtain the best copy available. nevertheless, items of affectsthequality*** of the microfiche and hardcopy reproductions ERIC makes available** via the ERIC Document Reproduction Service (EDRS). EDRS is not* responsible for the --ality of the original document. Reproductions *** supplied by EDRS are the best that can be made from the ******************************i
tJU S DEPARTMENT OF HEALTH.EDUCATION A WELFARENATIONAL INSTITUTE OFTHE PERSON OR oR0c.NIZATIONORICoNATINC. IT POINTS OF VIEA OR OPINIONSSTATED DO NOT NECESSARILY REPRESENT OFFICIAL NATIONAL INSTITUTE OFEDUCATION POSITION OR POLICYTHIS DOCUMENT HAS BEEN REPRODUCE EXACTLY AS RECEIVED FROMECTUCATiONED107997immamrso5107gnstructionat Materials f a6oratory.3rade and 9ndustrial Education5fie Ohio State UniversityRESIDENTIAL ELECTRICIANeff oos/c&6,Occupational Analysis
AN ANALYSIS OF THE RESIDENTIAL ELECTRICITY OCCUPATIONDeveloped ByCarl A.NordvigCharles E. DearthInstructor, Industrial ElectricityLicking County J.V.S.Newark, OhioInstructor, CarpentryLicking County J.V.S.Newark, OhioOccupational AnalysisE.P.D.A. Sub Project 73402June 1, 1973 to December 30, 1974Tom L. HindesDirector:Coordinator: William L. AshleyThe Instructional Materials LaboratoryTrade and Industrial EducationThe Ohio State University3
"The activity which is the subj ectof this report was supported inwhole or in part by the U.S. Officeof Education, Department of Health,Education, and Welfare. However,the opinions expressed herein donot reflect the position or policyof the U.S. Office of Education,and no official endorsement by theU.S. Office of Education should beinferred."
TABLE OF CONTENTSvForeworeviiPrefaceAcknowledgmentixJob DescriptionxiDutiesLayout Out at Residnetial WiringAInstalling Proper Entrance ServiceBInstalling Primary and Secondary Cable RunsCInstalling Electric HeatDInstalling Miscellaneous WiringEInstalling All Finishing Electrical Dev4cesFMaintaining Existing WiringC9213545Appendix (Mathematics)77Standard Tool Pouch79153653-i
FOREWORDThe occupational analysis project was conducted by The Instructional MaterialsLaboratory, Trade and Industrial Education, The Ohio State University in conjunction with the State Department of EdUcation, Division of Vocational Education pursuant to a grant from the U.S. Office of Education.The Occupational Analysis project was proposed and conducted to train vocational educators in the. techniques of making a comprehensive occupationalInstructors were selected from Agriculture, Business, Distributive,analysis.Home Economics and Trade and Industrial Education to gain experience indeveloping analysis documents for sixty-one different occupations. Representatives from Business, Industry, Medicine, and Education were involved withthe vocational instructors in conducting the analysis process.The project was conducted in three phases. Phase one involved the planningand development of the project strategies. The analysis process was basedPhase two was the identificaon sound principles of learning and behavior.The training and worktion, selection and orientation of all participants.Two-week workshops were heldshop sessions constituted the third phase.during which teams of vocational instructors conducted an analysis of theoccupations in which they had employment experience. The instructors wereassisted by both occupational consultants and subject matter spe'ialists.The project resulted in producing one hundred two trained vocational instructors capable of conducting and assisting in a comprehensive analysis ofvarious occupations. Occupational analysis data were generated for sixty-oneThe analysis included a statement of the various tasks performedoccupations.For each task the following items were identified:in each occupation.tools and equipment; procedural knowledge; safory knowledge; concepts andskills of mathematics, science and communication needed for successful performance in the occupation. The analysis data provided a basis for generatinginstructional materials, course outlines, student performance objectives,criterion measures as well as identifying specific supporting skills andknowledge in the academic subject areas.
PREFACEThe purpose of the following analysis is to identify the skills and knowledgeneeded to perform the duties and tasks required of a Residential Electrician.It does not cover the complete work of a Master Electrician, only the basicskills needed to do residential wiring.via
ACKNOWLEDGMENTWe wish to acknowledge the valuable assistance rendered by the followingsubject matter specialists. They provided input to the vocational instructors in identifying related skills and concepts of each respective subjectmatter area and served as training assistants in the analysis process duringthe two-week workshops.Rollin M. Barber, PsychologyThe Ohio State Universi*yColumbus, OhioGlenn Mann, CommunicationsColumbus, OhioJodi Beittel, CommunicationsColumbus, OhioJerry McDonald, Physical SciencesColumbus Technical InstituteReynoldsburg, OhioDiana L. Buckeye, MathematicsUniversity of MichiganAvon Lake, OhioColleen Osinski, PsychologyColumbus Technical InstituteColumbus, OhioRick Fien, ChemistryThe Ohio State UniversityBeachwood, OhioDavid Porteous, CommunicationsUniversity of ConnecticutColchester, ConnecticutN.S. Gidwani, ChemistryColumbus Technical InstituteColumbus, OhioJames A. Sherlock, CommunicationsColumbus Technical InstituteColumbus, OhioBruce A. Hull, BiologyThe Ohio State UniversityColumbus, OhioJim VanArsdall, MathematicsWorthington High SchoolWorthington, OhioDonald L. Hyatt, PhysicsWorthington High SchoolWorthington, OhioLillian Yontz, BiologyThe Ohio State UniversityCaldwell, Ohio
Acknowledgment is extended to the following I.M.L. staff members for their rolein conducting the workshops; editing, revising, proofing and typing the analyses.Faith JusticeSheila NelsonMarsha OpritzaRita BuccillaPeg BushelmanCarol FausnaughMindy FausnaughRita HastingsCarol HicksSue HalsingerBarbara HughesCarol MarvinPatti VyeKathy RoedigerMary SalayResearch AssociateAdministrative AssistantEditorial stTypistTypistTypistTypistTypist
JOB DESCRIPTIONA Residential Electrician performs repairs and maintains existing wiring ina residential structure. The electrician is responsible for the layout ofnew residential wiring, the calculation and installation of branch circuitsand basic circuits. The electrician also installs proper size entrance service, installs electric heat, installs all electrical devices used in aresidence, in a work-like manner to conform to city, county, state andNational Electric Code.(NEC)
Duty ALaying out at Residential Wiring123Locate and set all switch and receptacle boxesLocate and set all ceiling boxesLocate and set all appliance outlets11
Fastening devicesNational Electric CodeDetermine locationBlueprintsType of constructionDetermine proper materialsStuddingsCUESFasten switch box in placeSwitch boxesDECISIONSMark proper location of switch boxBlueprintRead blueprintStandard tool pouchPERFORMANCE KNOWLEDGELOCATE AND SET ALL SWITCH AND RECEPTACLE. BOXESTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATE1IENT)HAZARDWrong locationCrooked boxERRORSHazard:Flying and falling objectsSharp objectsHard hatGlovesSafety glassesProper shoesSafety:SAFETY
SCIENCESymbols and terminologyVisual analysisLogiccriminationColo:.1(1 of rintEXAMPLESMOW -6COMMUNICATIONS3asic Measurement Skills and Concepts(Steel tape]Fundamental Op rations (Calculation)ReadingPERFORMANCE MODESResistance of materials to change in shape[Studdings twisting][Structure]Arrangement of molecules, atoms and ions and the effectof structure and strength of materialsMATH - NUMBER SYSTEnSPositive rationalsLOCATE AND SET ALL SWITCH AN!) RECEPTACLE BOXESSimple machines used to gain mechanical advantage(Standard tool pouch](TASK STATEMENT)
I.Fasten ceiling box to bar hangerFasten box and bar hanger in placeBar hangerFastening devicesDetermine proper material andlocationDECISIONSICeiling joistsStep ladderNational Electric CodeType of constructionCUESMark proper location of ceiling boxCeiling boxesBlueprintsRead blueprintACTED UPONStandard tool pouchOBJECTSPERFORMANCE KNOWLEDGELOCATE AND SET ALL CEILING BOXESTOOLS, EQUIPMENT, MATERIALS,(TASK STATEMENT).Nuommeer-ARovr gmenasevieriasikAvaewirei,Box looseTwisted bar hangerWrong locationERRORSHazard:Flying and falling objectsSharp objectsSafety:Hard hatGlovesSafety glassSafety shoesSAFETY -- HAkRD
SCIENCELOCATE AND SET ALL CEILING BOXESInstallationViewing6NUMBER SYSTEMSVisual analysisLogicColor discriminationRecognition of symbolsSymbols and terminologySKILLS/CONCEPTSBasic Measurement Skills and Concepts[Steel tape)Fundamental Operations (Calculation)EXAMPLESBlueprintMATHPositive nationalsCOMMUNICATIONSReadingPERFORMANCE MODESResistance of materials to change in shape[Ceiling joists twisting][Structure]Arrangement of molecules, atoms and ions and the effecton structure and strength of materialsSimple machines used to gain mechanical advantage[Standard tool pouch](TASK STATEMENT)
Determine the proper materialStuddingNational Electric CodeType of constructionCUESInstall with proper fastening deviceFastening devicesDECISIONSMark proper locationAppliance outlets or disconnectsBlueprintRead blueprintStandard tool pouchPERFORMANCE KNOWLEDGE41LOCATE AND SET ALL APPLIANCE OUTLETSTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)HAZARD41141111ME7 IIINfilBox too small for large wireImproper connectionWrong locationERRORSHazard:Flying and falling objectsSharp objectsSafety:Hard hatSafety glassesGlovesSafety shoesSAFETY
SCIENCELOCATE AND SET ALL APPLIANCE OUTLETSNUMBER SYSTEMSVisual analysisLogicColor discriminationRecognition of symbclsInstallingViewing4Symbols and CATIONSBasic Heasurement Skills and Concepts(Steel tape]Fundamental Operations (Calculation)Pc.itive rationalsMATHReadingPLRFORMANCE MODESBasic circuit fundamentals[Structure ]Arrangement of molecules, atoms and ions and the effecton structure and strength of materialsSimple machines used to gain mechanical advantage[ Standard tool pouch](TASK STATEMENT)
Duty BInstalling ?raper Entrance Service12345Calculating total loadLocate and set meter enclosureLocate and set main distribution panelRun entrance cableInstall grounding systemIg
What size wire or fuse to useDECISIONSNational Electric CodePaperPencilWaste the materialWire will not carry loadData plate on applianceNational Electric CodeERRORSHAZARDFire hazardSAFETYBlueprintCUESApply amp load to National ElectricCode for wire sizeApply power or Ohm's Law formula tochange to ampsTake load from blueprint or dataplatePERFORMANCE KNOWLEDGECALCULATING TOTAL LOAD IN CIRCUITTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
ViewingWritingReadingPERFORMANCE MODESUnderstanding current flowPower LawOhm's LawSCIENCEMATHNUMBER SYSTEMSColor discriminationRecognition of symbols and codesData plate or blueprint114Process reportData plate or blueprintaDetailTerminologyData plate or blueprintEXAMPLESSKILLS /CONCEPTSBasic Algebra Skills and Concepts[Ohm's Law, Power Law]Read and interpret tabels, charts and graphs(National Electric Code tables]Measurements[Amps, watts]Basic Arithmetic Skills and Concepts[Decimal calculations]Fundamental Operations (Calculation)Addition, Subtraction, Multiplication, DivisionPositive rationalsCOMMUNICATIONSCALCULATING TOTAL 'filen TM CIRCUITi
LOCATE AND SET METER ENDECISIONSDetermine the proper materialWallProper ladderBlueprintFastening devicesMake proper locationMeter enclosureHAZARDWrong locationLoose meter enclosureType of enclosureNational Electric CodeNmimsoaspmE:ramic.190.00b.Wrong meter enclosureERRORSHazard:Flying and falling objectsSharp objectsSafety:Hard hatSafety glassesGlovesSafety shoesSAFETYType of constructionCUESInstall with proper fasteningdevicesNRead blueprintPERFORMANCE KNOWLEDGEStandard tool pouchTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)#.
SCIENCELOCATE AND SET METER ENCLOSURENUMBER SYSTEMSVisual analysisLogicColor discriminationRecognition of LS/CONCEPTSBlueprintEXAMPL ESCOMMUNICATIONS[Steel tape}Basic Measurement Skills and ConceptsFundamental Operations (Calculation)Positive rationalsMATHReadingPERFORMANCE MODES[Structure]Arrangement of molecules, atoms and ions and the effecton structure and strength of materialsSimple machines used to gain mechanical advantage[Standard tool pouch](TASK STATEMENT)vie
Install with proper fastening devicesProper fastening devicesDetermine proper fastening devicesDetermine size of fusesDECISIONSDetermine size and type of panelWallLadderTotal loadWeatherproof or non-weatherproofType of constructionSurface or enclosed typeNational Electric CodeCUESMake proper locationDistribution panelBlueprintRead blueprintStandard tool pouchPERFORMANCE KNOWLEDGELOCATE AND SET MAIN DISTRIBUTION PANELTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)HAZARDERRORSFireOverloadWater in fuse boxHazard:Flying and falling objectsSharp objectsFalling panelSafety:Hard hatSafety glassesGlovesShoesSAFETY.
SCIENCELOCATE AND SET MAIN DISTRIBUTION PANELViewingReadingPERFORMANCE MODESBasic circuit knowledge[Twisting]Resistance of materials to change in shape11NUMBER SYSTEMSVisual analysisLogicRecognition of symbolsSymbols and terminologySKILLS /CONCEPTSBasic Measurement Skills and Concepts[Steel tape]Fundamental Operations itive rationalsCOMMUNICATIONSArrangement of molecules, atoms and ions and the effecton structure and strength of materials[Structure]Simple machines used to gain mechanical advantage[Standard tool pouch](TASK STATEMENT)
RUN ENTRANCE CABLEInstall connectorsInsert wire in connectorsStrip cableInsert in meter enclosure and mainpanelStandard tool pouchLadderService headWeatherproof connectorsAMMIONOWCorrosion in meter enclosureInside or outside useDetermine type connectorsNational Electric CodeOverheated cableERRORNeed total loadDECISIONSHAZARDHazard:Flying and falling objectsCut hands'Hard hatGlovesSafety shoesSafety:Safety glassesSAFETYDetermine size cableWallCUESPut on service headStrapsNon-weatherproof connectorsSelect and strip cablePERFORMANCE KNOWLEDGEProper entrance cableTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
SCIENCERUN ENTRANCE CABLEViewingReadingPERFORMANCE MODESMATHNUMBER SYSTEMSSymbols and terminologyVisual analysisLogicColor discriminationRecognition of SBasic Measurement Skills and Concepts[Steel tape]Fundamental Operations (Calculation)Positive rationalsCOMMUNICATIONSArrangement of molecules, atoms and ions and the effecton structure and strength of materials[Strength of cable]Resistance of materials to change in shape[Bending cable]Resistance of materials to flow of electrical current[Resistance of cable]Basic circuit knowledge[Tight cable]Transfer of heat from one body to another[Cable]Simple machines used to gain mechanical advantage[Standard tool pouch]Effect of heating and cooling on expansion of materials(TASK STATEMENT)
INSTALL GROUNDING SYSTEMConnect ground wire to meter enclosureConnect ground wire to ground clampSecure ground wire to buildingGround rod c.ampSledge hammerProper ground wireUnbalanced loadTotal loadNational Electric CodeSize of ground rodType of fasteners11111 1111011ErzePtiriNWAIIMI AlellIMIRMIIIIMMEMAir.L9-3.!,.Floating grounf:Type of constructionDECISIONSHAZARDERRORSHazard:clying and falling objectsSharp objectsSafety:Hard hatSafety glassesGlovesSafety shoesSAFETYSize of ground wireEarthStep ladderCUESSecure ground rod clamp on rodGround rodRequired cable fastenersDrive ground rodPER FOP.MANCE ndard tool pouchTOOLS, EQUIPMENT, MATERI ALSOBJECTS ACTED UPON(TASK STATEMENT)
CONSCIENCEINSTALL GROUNDING SYSTEMViewingPERFORMANCE MODESInstallationNUMBER SYSTEMSColor dicrininationVisual analysisLogicSKILLSICONCErl S0.111111110111.,.* wont.[Steel tape]Basic Measuremat Skills and ConceptsFundamental Operations (Calculation)EXAMPLES1%)MATHPositive rationalsCOMMUNICATIONSBasic knowledge of protection of grounding in circuitsBasic circuit fundamentalsResistance of materials to flow of electrical current[Resistance of flow of electrical current]Simple machines used to gain mechanical advantage[Standard tool pouch](TASK STATEMENT)
Installing Primary and Secondary Cable RunsDuty C123456Prepare cable for inserting boxRun secondary cable between. outlet boxesSecure cable in outlet boxesSecuring ground to all devicesSplice all cablesRun primary cable for feed from main panel
Use knife or stripperDECISIONSOne type of each cableStandard tool pouchCut insulationERRORSHazard:Flying and falling objectsSharp objectsSafety glassesGlovesProper use of knifeSafety shoesSafety:Hard hatSAFETY - HAZARD1M:2k .WIMILialiraniiiMingtergtallOMUMEIrNational Electric CodeSize of cableCUESUse knife to strip sheathUse cable stripper to remove sheathMeasure back eight inches on cablePERFORMANCE KNOWLEDGEPREPARE CABLES FOR INSERTING IN BOXESTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
SCIENCEViewingPERFORMANCE MODESInstallationResistance of materials to change in shape[Resistance cf cable to bending]MATHNUMBER SYSTEMS[Steel tape]EXAMPLESVisualColor discriminationSKILLS/CONCEPTSBasic Measurement Skills and ConceptsFundamental Operations (Calculation)Positive rationalsCOMMUNICATIONSmii2AR .,.11725 ,-,R IL.--TIN- A BC .Simple machines used to gain mechanical advantage[Standard tool pouch](TA.,., STA i csviEN'. ,
Select:Knowledge of circuitProper size cableNational Electric CodeUnderstand construction as the whereto drill holesSize of cableWhat size hole to drillWhere to drill holesDECISIONSProper cableStuddingsCUESPrepare wire by strippingWood bitInsert in boxesSelect: proper size cableElectric drillBlueprintDrill holes between boxesStandard tool pouchPERFORMANCE KNOWLEDGERUN SECONDARY CABLE BETWEEN OUTLET BOXESmTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)wHAZARDUse too much wireERRORSNail through wireHazard:Falling objectsSplintersSafety:Hard hatSafety glassesGlovesSafety shoesSAFETYfr,
SCIENCERUN SECONDARY CABLE BETWEEN OufLET BuXESNUMBER SYSTEMSSymbols and terminologyBlueprintReading25Visual analysisLogicColor discriminationRecognition of symbolsSKI LLS /CONCEPTSInstallationEXAMPLESCOMMUNICATIONS[Steel tape]Basic Measurement Skills nnd CorceptsFundamental Operations (Calculation)Positive rationalsMATHViewingPERFORMANCE MODESBasic circuit fundamentalsResistance of materials to change in shape[Cable runs]Effects of friction on work processes and product quality[Pulling cable through holes]Simple machines used to gain mechanical advantage[Standard tool pouch](TASK STA i tiVIEN) i
at. N'k.Water in outletLocation (outside or inside)What type clampNational Electric CodeShorted cableSize of wireCUESHAZARDnia.ERRORSHazard:Flying and falling objectsSharp objectsSafety:Hard hatSafety glassesGlovesSafety shoesSAFETYWhat type connectorDECISIONSTighten clamp on cableInsert connector if neededBoxes/clampsConnectorsRemove proper knock outStandard tool pouchPERFORMANCE KNOWLEDGESECURE CABLE IN OUTLET BOXESTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
SCIENCEN OUTLET BOXESViewingPERFORMANCE MODESNUMBER SYSTEMS[Steel tape]Visual analysisLogicrtsSKILLS/CONCEPTSBasic Measurement Skills and ConceptsFundamental Operations (Ca3culation)EXAMPLES27MATHPositive rationalsCOMMUNICATIONSInstallationResistance of materials to change in shape[Bending cable to insert in outlet box]Simple machines used to gain mechanical advantage[Standard tool pouch]Asp. STAi troEN1
Type of crimping toolSelect:Size and type of grounding sleeveDECISIONSDevices needing groundedCrimping sleevesCrimping toolStandard tool pouchHAZARDNational Electric CodeAMIEFIn2311111111111111F1PM111111MIPFireType of wireDevice to be groundedCan produce hazardous shockERRORSHazard:Flying and falling objectsSharp objectsTreatment of electrical shockSafety:Hard hatSafety glassesGlovesSafety shoesFirst aid cardSAFETYSize of wireCUESInsert pig tail under green ground lugof deviceCrimpInsert six inches pig tail in sleeveInsert all bare ground in groundingsleevePERFORMANCE KNOWLEDGESECURING GROUND TO ALL DEVICESTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
SCIENCEViewingPERFORMANCE MODESInstallationThe importance of case ground and why it is usedResistance of materials to change in shape[Bending ground wire]NUMBER SYSTEMS[Steel tape]Visual analysisLogicColor discriminationRecognition of symbolsSKILLS/CONCEPTSBasic Measurement Skills and ConceptsFundamental Operations (Calculation)EXAMPLES29MATHPositive rationaleCOMMUNICATIONSSECURING GROUND TO ALL DEVILL0Simple machines used to gain mechanical advantage[Standard tool pouch](TASK STATEMENrii
SPLICE ALL CABLESuseType of mechanical jointType of insulationProper circuit splicesDECISIONSWhat size and type of connector toStandard tool pouchWire nutsPropane tankSolder gunSolder 50/50Step ladderAluminum connectorsFluxTapeAluminum neutralizerCables needing splicingTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT).Splice must always be made in boxNational Electric CodeKnowledge of circuitsLocation of spliceCableCUESRemove insulation from cableTwist good mechanic's spliceClean joint, apply fluxHeat to proper temperatureApply solder 50/50Apply wire nut or tapeUse aluminum connectors for aluminumwireApply neutralizer when using aluthinumwith copperPERFORMANCE KNOWLEDGEHAZARDFireShort in wireHot solderERRORSHazard:Flying and falling objectsSharp objectsHard hatSafety glassesGlovesSafety shoesSafety:SAFETY
SCIENCESPICE ALL CABLESNUMBER SYSTEMSVisual analysisLogicColor discriminationRecognition of symbolsInstallationViewing11Symbols and CATIONS[Steel tapes]Basic Measurement Skills and ConceptsFundamental Operations (Calculation)Positive rationalsMATHReadingPERFORMANCE MODESBasic knowledge of circuitsTransfer of heat from one body to another[Soldering splices]Simple machines used to gain.mechanical advantage[Standard tool pouch](TASK STATEMENT)
Use too much wireUnderstand construction as to where todrill holesWhat size hole to drillNational Electric CodeNail through wireERRORSSize of cableCUESHAZARDHazard:Flying P.nd falling objectsSharp splintersSafety:Hard hatSafety glassesGlovesSafety shoesSAFETYWhere to drill holesStuddingsDECISIONSInsert in boxWood bitBlueprintk.!lire by strippingholes from panel to outlet boxDrillStandard tool pouch0.1.1101111111.1111INPERFORMANCE KNOWLEDGERUN PRIMARY CABLE FOR FEED FROM MAIN PANELTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
,SCIENCE;wt.Visual analysisLogicColor discriminationRecognition of symbolsInstallationViewing33Symbols and terminologySKILLS /CONCEPTSBlueprintEXAMPLESSSIONIMMENZINONSMOINS. 11.11111MM,01.11111,.11COMMUNICATIONS[Steel tapes]Basic Measurement Skills and ConceptsFundamental Operations (Calculation)NUMBER SYSTEMSReadingPERFORMANCE MODESBasic circuit knowledgeMATHPositive rationals.ANL::Effects of friction on work processes and product quality)ugh hole)[Pulling cable tSimple machines used to gain mechanical advantage[Standard tool pouch](TA. STA,
Installing Electric HeatDuty D1234InstallInstallInstallInstallline and low voltage thermostatbaseboard heatersceiling heatcentral electric heat (wiring only)35
What thermostat to useDECISIONSVolt Ohm's MeterIn line thermostatLow voltage thermostatStandard tool pouchTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON111National Electric CodeLoadVoltage220 volts-install in line thermostatto break both sides of line110 voltsinstall in line thermostat24 volts or underinstall low voltagethermostatCheck control line voltagePERFORMANCE KNOWLEDGEINSTALL LINE AND LOW VOLTAGE THERMOSTATSHAZARDElectrical hazard of shockERRORSHazard:Flying and falling objectsSharp splintersSafety:Hard hatSafety glassesGlovesSafety shoesSAFETY
SCIENCEArirn11rOWAGViewingReadingPERFORMANCE MODESFunction of thermostatsBasic knowledge of circuitsTsInstallation4.4Visual analysisLogicColor discriminationRecognition of symbolsSymbols and terminologySKILLS /CONCEPTSBasic Measurement Skills and Concepts[Steel tape, Volt Ohm's Meter]Fundamental Operations (Calculation)EXAMPLES37MATH - NUMBER SYSTEMSPositive rationalsCOMMUN ICATIONS-.EBlueprintSimple machines used to gain mechanical advnntage[Standard tool pouch]u'uritTASIdSTATEITIENrag
InsulationLocationNational Electric CodeSize of areaType of constructionHow to fastenCUESBlueprintDECISIONSGround testMake proper connectionsInsert wireInstall proper connectorsMount heating units to blueprintspecificationsSire of ng devicesStandard tool pouchPERFORMANCE KNOWLEDGEINSTALL BASEBOARD HEATERSTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)HAZARDRoom too coldL'FORSNimemasHazard:Flying and falling objectsSharp splintersSafety:Hard hatSafety glassesGlovesSafety shoesSAFETY6.%
EB-4eH-4.NUMBER SYSTEMSVisual analysisLogicRecognition of symbolsInstallationViewing39Symbols and terminologySKILLS /CONCEPTSBlueprintEXAMPLESCOMMUNICATIONSBasic Measurement Skills and Concepts(Steel tape, Meggar)Fundamental Operations (Calculation)Positive rationalsMATHReadingPERFORMANCE MODESBaisc knowledge of circuitsSimple machines used to gain mechanical advantage(Standard tool pouch)SCIENCEALL
Volt Ohm's MeterCcilag (rock lath,Staple gun and staplesSize of heating unitDECISIONSNational Electric CodeSize of roomCUESRead for continuity checkStaple cable to ceilingInsert both ends of cable in outletboxLadderBlueprintLayout roomPERFORMANCE KNOWLEDGEStandard tool pouch1111111111111111 111111111111101011011.INSTALL CEILING HEATTOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)Room too coldERRORSFlying and falling oHectsSharp splintersHazard:Safety:Hard hatSafety glassesGlovesSafety shoesSAFETY - HAZARD
TASCIENCEINSTALL CEILINGNUMBER SYSTEMSAIRVisual analysisLogicColor discriminationRecognition of symbolsInstallationViewing41Symbols and CATIONSBasic Measurement Skills and Concepts[Steel tape, Volt Ohm's Meter]Fundamental Operations (Calculation)Positive rationalsMATHReadingPERFORMANCE MODESBasic knowledge of circuits[Bending of ryable]Simple machines,used to gain mechanical advantage[Standard tool pouch]Transfer of heat from one body to another[Type of material to mount heating unit on]Resistance of materials to flow of electrical current[Resistance of material to flow of electricity]Resistance of materials to change in shapeTA
.LadderInsufficient heatFireNational Electric CodeFuse sizeERRORSSize of heating unit.HAZARDHazard:Flying and falling objectsSharp splintersHard hatSafety glassesGlovesSafety shoesSafety:SAFETYCable sizeCUESCheck for groundCentral heating unitDECISIONSSet thermostatConnectorsConnect cable to heaterPERFORMANCE KNOWLEDGEStandard tool pouch.INSTALL CENTRAL ELECTRIC HEAT (WIRING ONLY)TOOLS, EQUIPMENT, MATERIALS,OBJECTS ACTED UPON(TASK STATEMENT)
SCIENCESriVisual analysisLogicRecognition of symbolsInstallationViewing43Symbols and CATIONS(Steel tape)Basic Measurement Skills and ConceptsFundamental Operati
DOCUMENT RESUME ED 107 997 CE 004 266 AUTHOR Dearth, Charles E.; Nordvig, Carl A. . does not cover the complete work of a master electrician, only the basic skills needed to do residential wiring. The document opens with . examples,
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