Electrician & Residential Wireman

Anonymous

North Carolina (SAA)

Documents

Individual state requirements may vary. Please contact your local apprenticeship office to ensure this version is suitable to your state’s requirements.

Work Process Schedule

Work Process Content

On the Job Training

Anonymous

362

Skills

Level 1

Demonstrate safe working procedures in a construction environment.
Explain the purpose of OSHA and how it promotes safety on the job.
Identify electrical hazards and how to avoid or minimize them in the workplace.
Explain safety issues concerning lockout/tagout procedures, personal protection using assured grounding and isolation programs, confined space entry, respiratory protection, and fall protection systems.
Identify the methods of hand bending conduit.
Identify the various methods used to install conduit.
Use math formulas to determine conduit bends.
Make 90° bends, back-to-back bends, offsets, kicks, and saddle bends using a hand bender.
Cut, ream, and thread conduit.
Identify and explain the use of threaded fasteners.
Identify and explain the use of non-threaded fasteners.
Identify and explain the use of anchors.
Demonstrate the correct applications for fasteners and anchors.
Install fasteners and anchors.
Recognize what atoms are and how they are constructed.
Define voltage and identify the ways in which it can be produced.
Explain the difference between conductors and insulators.
Define the units of measurement that are used to measure the properties of electricity.
Explain how voltage, current, and resistance are related to each other.
Using the formula for Ohm’s Law, calculate an unknown value.
Explain the different types of meters used to measure voltage, current, and resistance.
Using the power formula, calculate the amount of power used by a circuit.
Explain the basic characteristics of a series circuit.
Explain the basic characteristics of a parallel circuit.
Explain the basic characteristics of a series-parallel circuit.
Calculate, using Kirchoff’s Voltage Law, the voltage drop in series, parallel, and seriesparallel circuits.
Calculate, using Kirchoff’s Current Law, the total current in parallel and series-parallel circuits.
Find the total amount of resistance in a series circuit.
Find the total amount of resistance in a parallel circuit.
Find the total amount of resistance in a series-parallel circuit.
Explain the operation of and describe the following pieces of test equipment: Ammeter Voltmeter Volt-ohm-milliammeter Ohmmeter Megohmmeter Wattmeter Power factor meter Voltage tester Frequency meter Continuity tester Cable length meters Recording instruments
Explain how to read and convert from one scale to another using the above test equipment.
Explain the importance of proper meter polarity.
Define frequency and explain the use of a frequency meter.
Explain the difference between digital and analog meters.
Explain the purpose and history of the NEC.
Describe the layout of the NEC.
Explain how to navigate the NEC.
Describe the purpose of the National Electrical Manufacturers’ Association (NEMA) and the National Fire Protection Association (NFPA).
Explain the role of testing laboratories.
Describe various types of cable trays and raceways.
Identify and select various types and sizes of raceways.
Identify and select various types and sizes of cable trays.
Identify and select various types of raceway fittings.
Identify various methods used to install raceways.
Demonstrate knowledge of NEC raceway requirements.
Describe procedures for installing raceways and boxes on masonry surfaces.
Describe procedures for installing raceways and boxes on concrete surfaces.
Describe procedures for installing raceways and boxes in a metal stud environment.
Describe procedures for installing raceways and boxes in a wood frame environment.
Describe procedures for installing raceways and boxes on drywall surfaces
Recognize safety precautions that must be followed when working with boxes and raceways.
Explain the various sizes and gauges of wire in accordance with American Wire Gauge standards.
Identify insulation and jacket types according to conditions and applications.
Describe voltage ratings of conductors and cables.
Read and identify markings on conductors and cables.
Use the tables in the NEC to determine the ampacity of a conductor.
State the purpose of stranded wire.
State the purpose of compressed conductors.
Describe the different materials from which conductors are made.
Describe the different types of conductor insulation.
Describe the color coding of insulation.
Describe instrumentation control wiring.
Describe the equipment required for pulling wire through conduit.
Describe the procedure for pulling wire through conduit.
Install conductors in conduit.
Pull conductors in a conduit system.
Explain the basic layout of a blueprint.
Describe the information included in the title block of a blueprint.
Identify the types of lines used on blueprints.
Identify common symbols used on blueprints.
Understand the use of architect’s and engineer’s scales.
Interpret electrical drawings, including site plans, floor plans, and detail drawings.
Read equipment schedules found on electrical blueprints.
Describe the type of information included in electrical specifications.
Identify and state the functions and ratings of single-pole, double-pole, three-way, fourway, dimmer, special, and safety switches.
Explain NEMA classifications as they relate to switches and enclosures.
Explain the NEC requirements concerning wiring devices.
Identify and state the functions and ratings of straight blade, twist lock, and pin and sleeve receptacles.
Identify and define receptacle terminals and disconnects.
Identify and define ground fault circuit interrupters.
Explain the box mounting requirements in the NEC.
Use a wire stripper to strip insulation from a wire.
Use a solderless connector to splice wires together.
Identify and state the functions of limit switches and relays.
Identify and state the function of switchgear.
Describe how to determine electric service requirements for dwellings.
Explain the grounding requirements of a residential electric service.
Calculate and select service-entrance equipment.
Select the proper wiring methods for various types of residences.
Explain the role of the NEC in residential wiring.
Compute branch circuit loads and explain their installation requirements.
Explain the types and purposes of equipment grounding conductors.
Explain the purpose of ground fault circuit interrupters and tell where they must be installed.
Size outlet boxes and select the proper type for different wiring methods.
Describe rules for installing electric space heating and HVAC equipment.
Describe the installation rules for electrical systems around swimming pools, spas, and hot tubs.
Explain how wiring devices are selected and installed.
Describe the installation and control of lighting fixtures.

Level 2

141

Calculate the peak and effective voltage or current values for an AC waveform.
Calculate the phase relationship between two AC waveforms.
Describe the voltage and current phase relationship in a resistive AC circuit.
Describe the voltage and current transients that occur in an inductive circuit.
Define inductive reactance and state how it is affected by frequency.
Describe the voltage and current transients that occur in a capacitive circuit.
Define capacitive reactance and state how it is affected by frequency.
Explain the relationship between voltage and current in the following types of AC circuits: RC Circuit RL circuit RLC Circuit LC circuit
Describe the effect that resonant frequency has on impedance and current flow in a series or parallel resonant circuit.
Define bandwidth and describe how it is affected by resistance in a series or parallel resonant circuit.
Explain the following terms as they relate to AC circuits: Apparent power True power Power Reactive power
Explain basic transformer action.
Define the following terms: NEMA design letter Ampacity Nonautom Branch circuit Overcurrent Circuit breaker Overload Controller Power factor Duty Rated full-load speed Equipment Rated Horsepower Full-load amps Remote control circuit Ground fault circuit interrupter Service factor Interrupting rating Therman cutout Motor circuit switch Thermal protector
Describe the various types of motor enclosures.
Describe how the rated voltage of a motor differs from the system voltage.
Describe the basic construction and components of a three-phase squirrel cage induction motor.
Explain the relationships among speed, frequency, and the number of poles in a threephase induction motor.
Describe how torque is developed in an induction motor.
Explain how and why torque varies with rotor reactance and slip.
Define percent slip and speed regulation.
Explain how the direction of a three-phase motor is reversed.
Describe the component parts and operating characteristics of a three-phase wound rotor induction motor.
Describe the component parts and operating characteristics of a three-phase synchronous motor.
Define torque, starting current, and armature reaction as they apply to DC motors.
Explain how the direction of rotation of a DC motor is changed.
Describe the design and characteristics of a DC shunt, series, and compound motor.
Describe dual-voltage motors and their applications.
Describe the methods for determining various motor connections.
Describe general motor protection requirements as delineated in the NEC.
Explain the purpose of grounding and the scope of NEC Article 250.
Distinguish between a short circuit and a ground fault.
Define the NEC ground-related terms.
Distinguish between system grounding and equipment grounding.
Use NEC Table 250-66 to size the grounding electrode conductor for various AC systems.
Explain the NEC requirements for the installation and physical protection of grounding electrode conductors.
Explain the function of the grounding electrode system and determine which grounding electrodes must be used.
Define made electrodes and explain the resistance requirements for made electrodes using NEC Section 250-52.
Use NEC Table 250-122 to size the equipment grounding conductor for raceways and equipment.
Explain the function of the main bonding jumper in the grounding system and size the main bonding jumper for various applications.
Size the main bonding jumper for a service utilizing multiple service disconnecting means.
Explain the NEC requirements for bonding of enclosures and equipment.
Explain the NEC requirements for grounding of enclosures and equipment.
Explain effectively grounded and its importance in clearing ground faults and short circuits.
Explain the purposes of the grounded conductor (neutral) in the operation of overcurrent devices.
Explain the NEC requirements for grounding separately-derived systems, including transformers and generators.
Explain the NEC requirements for grounding at more than one building.
Explain the NEC grounding requirements for systems over 600 volts.
Describe the process of conduit bending using power tools.
Identify all parts of popular electric and hydraulic benders.
Avoid excessive waste when working with conduit systems.
Bend offsets, kicks, saddles, segmented, and parallel bends.
Explain the requirements of the NEC for bending conduit.
Compute the radius, degrees in bend, developed length, and gain for conduit up to six inches.
Explain how to correct damaged conduit and modify existing bends.
Describe the different types of nonmetallic and metallic boxes.
Understand the NEC requirements for box fill.
Calculate the required box size for any number and size of conductors.
Explain the NEC regulations for volume required per conductor in outlet boxes.
Properly locate, install, and support boxes of all types.
Describe the NEC regulations governing pull and junction boxes.
Explain the radius rule when installing conductors in pull boxes.
Understand the NEC requirements for boxes supporting lighting fixtures.
Describe the purpose of conduit bodies and Type FS boxes.
Install the different types of fittings used in conjunction with boxes.
Describe the installation rules for installing boxes and fittings in hazardous areas.
Explain how boxes and fittings are selected and installed.
Describe the various types of box supports.
Describe the various methods of installing conductors in conduit.
Plan and set up for a cable pull.
Understand the importance of selecting the proper location for cable pulls.
Describe how cable reels are transported to the pulling site.
Set up reel stands and spindles for a wire-pulling installation.
Explain how mandrels, swabs, and brushes are used to prepare conduit for conductors.
Properly install a pull line for a cable-pulling operation.
Explain the operation of power fish tape systems.
Prepare the ends of conductors for pulling.
Describe the types of cable pullers.
Describe the process of high-force cable pulling.
Explain how to support conductors in vertical conduit runs.
Describe the installation of cables in cable trays.
Explain the importance of communication during a cable-pulling operation.
Calculate the probable stress or tension in cable pulls.
Describe the components that make up a cable tray assembly.
Explain the methods used to hang and secure cable tray.
Describe how cable enters and exits cable tray.
Select the proper cable tray fitting for the situation.
Explain the NEMA standards for cable tray installations.
Explain the NEC requirements for cable tray installations.
Select the required fittings to ensure equipment grounding continuity in cable tray systems.
Interpret electrical working drawings showing cable tray fittings.
Size cable tray for the number and type of conductors contained in the system.
Select rollers and sheaves for pulling cable in specific cable tray situations.
Designate the required locations of rollers and sheaves for a specific cable pull.
Fabricate an offset for a cable tray.
Describe how to make a good conductor termination.
Prepare cable ends for terminations and splices.
Install lugs and connectors onto conductors.
Train cable at termination points.
Explain the role of the NEC in making cable terminations and splices.
Explain why mechanical stress should be avoided at cable termination points.
Describe the importance of using proper bolt torque when bolting lugs onto busbars.
Describe crimping techniques.
Select the proper lug or connector for the job.
Describe splicing techniques.
Describe the installation rules for parallel conductors.
Explain how to use hand and power crimping tools.
Describe various types of electric services for commercial and industrial installations.
Read electrical blueprints and diagrams describing service installations.
Calculate and select service-entrance equipment.
Explain the role of the NEC in service installations.
Install main disconnect switches, panelboards, and overcurrent protection devices.
Identify the circuit loads, number of circuits required, and installation requirements for distribution panels.
Explain the types and purposes of service grounding.
Explain the purpose of ground fault circuit interrupters and where they must be installed.
Describe single-phase service connections.
Describe both wye- and delta-connected three-phase services.
Explain the necessity of overcurrent protection devices in electrical circuits.
Define the terms associated with fuses and circuit breakers.
Describe the operation of a circuit breaker.
Select the most suitable overcurrent device for the application.
Explain the role of the NEC in specifying overcurrent devices.
Describe the operation of single-element and time-delay fuses.
Explain how ground fault circuit interrupters (GFCIs) can save lives.
Replace a renewable fuse link.
Calculate short circuit currents.
Describe troubleshooting and maintenance techniques for overcurrent devices.
Describe the operating principles of contactors and relays.
Select contactors and relays for use in specific electrical systems.
Explain how mechanical contactors operate.
Explain how solid-state contactors operate.
Install contactors and relays according to the NEC requirements.
Select and install contactors and relays for lighting control.
Read wiring diagrams involving contactors and relays.
Describe how overload relays operate.
Connect a simple control circuit.
Test control circuits
Explain how the human eye works.
Describe the characteristics of light
Recognize the different kinds of lamps and explain the advantages and disadvantages of each type: Incandescent Halogen High-intensity discharge (HD) Fluorescent
Properly select and install lamps into lighting fixtures.
Recognize and install various types of lighting fixtures: Recessed Surface-mounted Track-mounted Suspended

Level 3

122

Calculate loads for single-phase and three-phase branch circuits.
Size branch circuit overcurrent protection devices (circuit breakers and fuses) for noncontinuous duty and continuous duty circuits.
Understand and apply derating factors to size branch circuits.
Calculate ampacity for single-phase and three-phase loads.
Use load calculations to determine branch circuit conductor sizes.
Use NEC Table 220-19 to calculate residential cooking equipment loads.
Select branch circuit conductors and overcurrent protection devices for electric heat, air conditioning equipment, motors, and welders.
Select electrical conductors for specific applications.
Calculate voltage drop in both single-phase and three-phase applications.
Interpret and apply NEC regulations governing conductors.
Understand and apply NEC parallel rules.
Understand and apply NEC tap rules.
Size conductors for the load.
Understand and apply NEC Tables 310-16 through 310-19.
Derate conductors for fill, temperature, and voltage drop.
Select conductors for various temperature ranges and atmospheres.
Explain the importance of overcurrent protection.
Understand the key NEC requirements regarding overcurrent protection.
Check electrical drawings for conformance to NEC sections that cover short circuit current, fault currents, interrupting ratings, and other sections relating to overcurrent protection.
Determine let-through current values (peak and RMS) when current-limiting overcurrent devices are used.
Select and size overcurrent protection for specific applications.
Size raceways according to conductor fill and NEC installation requirements.
Size and install outlet boxes according to NEC installation requirements.
Size, select, and install pull and junction boxes according to NEC regulations.
Size conduit and conduit bodies using tables in NEC Chapter 9 and Appendix C.
Calculate conduit fill using a percentage of the trade size conduit inside diameter (ID).
Calculate required bending radius in boxes and cabinets.
Determine when cable must be racked in pull or junction boxes.
Select wiring devices according to National Electrical Manufacturer’s Association (NEMA) classifications.
Size wiring devices according to NEC and NEMA requirements.
Select the proper box or enclosure for wiring devices.
Follow NEC regulations governing the installation of wiring devices.
Explain types and purposes of grounding wiring devices.
Determine the maximum load allowed on specific wiring devices.
List the voltage convention classifications used in the industry.
Describe the purpose of switchgear.
Describe the basic physical makeup of a switchboard.
List the four general classifications of circuit breakers and list the major circuit breaker ratings.
Describe switchgear construction, metering layouts, wiring requirements, and maintenance.
List NEC requirements pertaining to switchgear.
Describe the visual and mechanical inspections and electrical tests associated with lowvoltage cables and medium-voltage cables, metal-enclosed busways, and metering and instrumentation.
Describe a ground fault relay system and explain how to test it.
Describe an HVL switch.
Describe a bolted pressure switch and its maintenance requirements.
Describe a typical switchgear transformer and list its testing and maintenance requirements
List the safety precautions associated with instrument transformers and describe their maintenance requirements.
Describe transformer operation.
Explain the principle of mutual induction.
Describe the operating characteristics of the various types of transformers.
Connect a multi-tap transformer for the required secondary voltage.
Explain NEC regulations governing the installation of transformers.
Compute transformer sizes for various applications.
Explain types and purposes of grounding transformers.
Connect a control transformer for a given application.
Size the maximum load allowed on open-delta systems.
Describe how current transformers are used in conjunction with watt-hour meters.
Apply capacitors and rectifiers to practical applications.
Calculate the power factor of any given electrical circuit.
Recognize incandescent, fluorescent and high intensity discharge (HID) lamps and describe how each type of lamp operates.
Recognize ballasts and describe their purpose for use in fluorescent and HID lighting fixtures.
Explain the relationship of Kelvin temperature to the color of light produced by a lamp.
Recognize basic occupancy sensors, photoelectric sensors, and timers used to control lighting circuits and describe how each device operates.
Use troubleshooting checklists to troubleshoot fluorescent and HID lamps and lighting fixtures.
Size branch circuits and feeders for electric motors.
Size, select, and install overcurrent protective devices for motors.
Size, select, and install overload relays for electric motors.
Calculate and install devices to improve the power factor at motor locations.
Size motor short circuit protectors.
Size multi-motor branch circuits.
Size motor disconnects.
Protect motor circuits with transformers.
Properly store motors and generators.
Test motors and generators.
Make connections for specific types of motors and generators.
Clean open-frame motors.
Lubricate motors that require this type of maintenance.
Collect and record motor data.
Select tools for motor maintenance.
Select instruments for motor testing.
Describe the operating principles of motor controls and control circuits.
Select motor controls for specific applications.
Connect motor controllers for specific applications.
Explain NEC regulations governing the installation of motor controls.
Follow NEC requirements when installing motor control circuits.
Interpret motor control diagrams.
Size and select thermal overload relays and other protective devices for motor controls.
Connect control transformers in conjunction with motor control circuits.
Describe the basic operating principles of air conditioning systems.
Explain how refrigeration systems operate.
Interpret nameplate data on heating, ventilation, and air conditioning (HVAC) equipment.
Describe the various types of heating systems used in residential and commercial applications.
Explain the role of the NEC in HVAC power and control wiring.
Describe the operating principles of compressors as they relate to refrigeration.
Troubleshoot HVAC systems.
Explain NEC air conditioning requirements for computer rooms.
Install electrical circuits and related components to HVAC equipment in accordance with NEC Articles 220, 424, and 440.
Identify the various classifications of hazardous locations.
Select and install branch circuits and feeders in specific hazardous locations.
Select seals and drains for specific hazardous locations.
Select wiring methods for Class I, Class II, and Class III hazardous locations.
Follow NEC requirements for installing explosion-proof fittings in specific hazardous locations.
Size feeders and services in accordance with NEC requirements.
Calculate loads and ampacities for single-phase and three-phase feeders.
Understand and apply derating factors to size feeders.
Size feeder overcurrent protection devices (circuit breakers and fuses) for non-continuous duty and continuous duty loads.
Understand and apply tap rules.
Calculate loads for a retail store with a show window.
Calculate loads for an office building.
Calculate loads for both single-family and multi-family dwellings.
Calculate loads for a restaurant.
Calculate loads for hotels and motels.
Calculate loads for schools and other institutional projects.
Perform feeder and service calculations for farms.
Calculate the power and supply feeders for marinas and boatyards.
Calculate electrical circuits for motors.
Calculate loads for a small industrial establishment.
Explain how the lighting terms lumen, candlepower, and footcandle relate to one another.
Classify lighting fixtures by layout, location, fixture type, and type of service.
Identify the basic design configurations of incandescent, fluorescent, and HID lighting fixtures and describe the general lighting pattern (direct, indirect, etc.) produced by each type.
Identify the main lighting requirements associated with lighting systems used in selected applications such as office buildings, schools, theaters, etc.
Identify the special wiring and dimming system components used with incandescent, fluorescent, and HID lighting systems.
Use manufacturer’s lighting fixture catalogs to select the appropriate lighting fixtures for specific lighting applications.

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