Electrical Construction
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1 Job Ready Assessment Blueprint Electrical Construction Test Code: 3030 / Version: 02 Measuring What Matters
2 Specific Competencies and Skills Tested in this Assessment: General Information Explain the purpose of OSHA Match electrical positions and responsibilities Identify professional organizations and their purpose Safety Demonstrate use of appropriate wearing apparel Demonstrate safe use of hand and power tools Apply techniques for lifting objects Demonstrate ladder safety Techniques for working on live circuits Explain the purpose of grounding Explain OSHA rules for approaching an unknown circuit Rescuing a victim from a live electrical conductor Apply techniques and practices of fire prevention Choose the fire extinguisher appropriate for fire type First-aid policies/procedures Meters, Measurements, Testing Characteristics of meters and measuring devices Use measuring devices Select meters appropriate for task Connect and use electrical test equipment Use formulas to determine calculations Determine current Determine voltage output Interpretation and conversion of readings Troubleshoot fuses Page 1 of 10
3 Specific Competencies and Skills continued: Identification of Tools, Materials, and Components Identify and use hand tools Identify and use power tools Identify proper conductor cable size and type Identify types and characteristics of conduit Identify terminals on a receptacle Identify connectors, boxes, and couplings Identify capacitors, relays, and switches Identify manual and automatic motor control mechanisms Identify the function and purpose of a GFCI National Electric Code Identify the publisher and purpose of the NEC Grounding and protection of live components Identify minimum load requirements Cite regulations relating to voltage drop Maximum weight for fixtures attached to outlet boxes Minimum number of small appliance circuits required Minimum wattage for small appliance circuits Distances for residential installation of receptacles Install outlet boxes in conformance with NEC Identify residential areas requiring GFCI and arc-fault protection Relate receptacle to circuit amp ratings Identify minimum wire size and type requirements List factors that determine size and length of conduit Number and degree of conduit bends permitted Identify regulations for installation of conductors Number of conductors placed in outlet boxes Maximum voltage switches in ganged outlet box Install parallel wires in conduit Identify intervals for installing cable/conduit supports Ground clearance to grade for service Identify minimum length and size of ground rods Select proper conduit Volt amps per sq. foot required for lighting Page 2 of 10
4 Specific Competencies and Skills continued: Identify proper location for disconnect Overcurrent devices permitted in a panel board Select correct type of fuses Conductors for motors in accordance with NEC Ampacity in relation to current rating of a single motor Explain color coding used for conductor Determine how equipment is properly grounded Proper wiring associated with swimming pools and spas Blueprints, Drawings, Diagrams, and Symbols Identify and use electrical symbols and drawing conventions Interpret and use specifications, print and job site drawings Interpret and compare wiring and schematic diagrams, and cable layouts Conversion of measurements Identify recommended height for devices and components Draw working circuit Planning, Layout, and Estimating Perform basic math calculations and conversions Use specifications, prints, and job site drawings Demonstrate planning and layout procedures Estimate the amount of wire required Calculate wattage requirements Estimate amount of conduit required AC Theory, Conductors, Magnetic Theory Characteristics of AC series and parallel circuits Capacitance, impedance, current, voltage, resistance Calculate power consumption, dissipation, loss Determine power factor status Determine principles of magnetic theory Principles and theory of alternating current waveform Page 3 of 10
5 Specific Competencies and Skills continued: Electronics Function/characteristics of rectifiers, inverters, and filters Elements used in semiconductors and conductors Test Operating Circuits Electrical terms, abbreviations, acronyms, and symbols Communications systems DC: Basic Electric and Electron Theories Characteristics of DC series and parallel circuits Resistance, capacitance, inductance, voltage, current Calculate power consumption, dissipation, loss Identify materials as insulators and non-insulators Explain how electricity is made List the components of a circuit Use color coding to identify specific wires Relationship of temperature and conductivity Apply Ohm's Law Design a basic circuit Relationship of electricity, electrons, and atoms Low Voltage Systems Identify components of a low-voltage system Choose appropriate wire Identify voltage for low-voltage system and controls Install, test a low-voltage system Apply knowledge of signal and control systems Wiring, Circuits, and Installation Wiring system appropriate for the installation Knowledge of switching circuits and techniques Install and support cable Install cable through structural members Page 4 of 10
6 Specific Competencies and Skills continued: Wire pulling techniques for wiring methods Install proper boxes, devices, and trim Rough-in power and telephone wires Wire switched outlets Splice, terminate, and connect wire Test completed installation Troubleshoot circuits Determine current requirements Determine location and size of service entrance Install service equipment Install fittings, connectors, and components Identify proper ground system Identify circuit breakers and fuses Raceway and Conduit Bending List causes of excessive heat in conductors Install proper number of conductors in raceways Determine type of conduit required Cut, ream, deburr, and bend conduit Install rigid conduit, EMT, and PVC with supports Burial depths of conduits Transformers Primary and secondary windings Voltage and current for primary/secondary windings Determine proper polarity as required Explain and calculate transformer efficiency Determine KVA capacity and load Identify for Delta or Wye connection Motors, Motor Control Circuits, and PLCs Identify motor controls Characteristics of various types of controls Switches and their functions Page 5 of 10
7 Specific Competencies and Skills continued: Wire a three-phase magnetic starter Identify/connect motor connections Install, test, and troubleshoot circuits Reverse motor rotation Calculate motor efficiency Create motor control circuit diagram Protection devices, specific purposes Identify and interpret motor nameplate Understand programmable logic controllers (PLCs) Develop, program, operate, troubleshoot PLCs Lighting Incandescent and high-intensity discharge lamps Coding of fluorescent tubes Understand installation of lighting fixtures Diagnose lighting problems Basic Computer Skills Characteristics and usage of storage devices Identify basic keyboarding skills Identify input and output devices Understand how to back-up files Understand need and importance of surge protection Basic computer terminology Page 6 of 10
8 Written Assessment: Administration Time: 3 hours Number of Questions: 185 Areas Covered: Page 7 of 10
9 Sample Questions: Which of the following national organizations is an independent, non-for-profit, productsafety testing, and certification organization? A. ANSI American National Standards Institute B. NEMA National Electrical Manufacturing Association C. UL Underwriters Laboratories D. OSHA Occupational Safety and Health Administration The National Electric Code is based on A. part 70 of the NFPA Codes B. part 80 of the NFPA Codes C. part 70 of OSHA Regulations D. part 80 of OSHA Regulations If 689 feet of conduit is required for a job, how many lengths of conduit are needed? A. 60 B. 68 C. 69 D. 70 Intermediate metal conduit, when compared to rigid conduit, is A. lighter B. longer C. harder to work D. harder to connect A computer device is most responsible for CPU clock speed. A. memory B. high speed counter C. timer D. vibrating crystal Page 8 of 10
10 Performance Assessment: Administration Time: 2 hours and 30 minutes Number of Jobs: 2 Areas Covered: 75% Switch Controls, Conduit Bending, and GFCI Receptacles Knowledge of circuit layout, Draw product wiring design, Select appropriate material, Installation of boxes, wires and device, Wiring installation methods, Installation of device, Functionality, Accuracy of measurement, Proper bending and cutting techniques, Installation of conductors, Installation of GFCI, and Safety and workmanship 25% Doorbell Circuit Identify and select components, Installation of components, Test/troubleshoot components, and Safety and workmanship Page 9 of 10
11 Sample Job: Maximum Time: Participant Activity: Doorbell Circuit 30 minutes The participant will select the appropriate materials for the job and follow a project plan to successfully install a functioning doorbell circuit according to electrical codes and specifications. Page 10 of 10
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