Specific Competencies and Skills Tested in this Assessment:
DC Theory
- Demonstrate knowledge of principles of DC theory
- Apply Ohm’s Law and Kirchoff’s Law
- Solve series and parallel circuits
- Calculate power formulas
AC Theory
- Calculate inductive reactance
- Calculate capacitive reactance
- Demonstrate knowledge of principles of AC theory
- Calculate waveforms and frequency
Test Equipment
- Test circuits for opens and continuity
- Test circuits for voltage, current, and resistance
- Demonstrate proper care and use of test equipment
Electrical Drawings
- Identify electrical symbols
- Interpret electrical wiring drawings
- Troubleshoot from electrical drawings
General Wiring
- Select, measure, and cut conduit
- Ream, thread, and bend conduit
- Install boxes, fixtures, and hardware
- Select proper enclosures
- Identify and use electrical fittings
National Electrical Code
- Define the purpose, intent, and jurisdiction of the NEC
- Identify proper conductor type and size
- Size pull boxes
- Demonstrate proper grounding and bonding procedures
Electrical Controls
- Identify and connect switches, sensors, and relays
- Exhibit understanding of motor starters
- Understand principles of circuit protection
Generators
- Determine the output of a generator
- Identify the internal components of a generator
Motors
- Identify motor circuits
- Identify and define types of motors
- Identify and explain motor components
- Connect leads for operation
- Test for operation
- Troubleshoot and diagnose problems
Transformers
- Identify types of transformers
- Identify leads and connections
- Calculate voltage
- Calculate amperage
- Calculate KVA capacity
Variable Frequency Drives (VFDs)
- Demonstrate proper set up and installation
- Exhibit knowledge of basic programming
- Troubleshoot VFDs
Programmable Logic Controllers (PLCs)
- Demonstrate proper set-up and installation
- Exhibit knowledge of basic programming
- Troubleshoot PLCs
Safety
- Exhibit basic knowledge of OSHA standards
- Identify appropriate personal protective equipment (PPE)
- Demonstrate knowledge of correct scaffolding and ladder procedures
- Demonstrate proper selection and use of hand and power tools
Written Assessment:
Administration Time: 3 hours
Number of Questions: 191
Areas Covered:
DC Theory: 7%
AC Theory: 7%
Test Equipment: 6%
Electrical Drawings: 11%
General Wiring: 8%
National Electrical Code: 6%
Electrical Controls: 9%
Generators: 3%
Motors: 17%
Transformers: 8%
Variable Frequency Drives (VFD): 4%
Programmable Logic Controllers (PLC): 6%
Safety: 8%
Sample Questions:
Materials with a low resistance are called
- insulators
- potential
- emf
- conductors
Conductors at the junctions of switchpoints or outlets must have a minimum length of
- 3 inches
- 6 inches
- 9 inches
- 12 inches
Shaded-pole motors have _______ starting torque.
- very high
- very low
- medium
- maximum
The primary winding of a transformer is rated at 480V and 600 turns. If the secondary is rated at 120Vs, the secondary has _______ turns.
- 150
- 400
- 1600
- 2400
A _______ is a device used to safely remove cartridge fuses from electrical enclosures.
- insulated side cutter
- pulling pliers
- insulated cartridge pliers
- fuse puller
Performance Assessment:
Administration Time: 3 hours and 20 minutes
Number of Jobs: 4
Areas Covered:
14% Tools and Materials Identification
Tool and material identification, legibility and neatness, and time to complete Job 1.
27% Conduit Bending
Safety, use of tools, reaming and threading, length accuracy, overall appearance of conduit, clean-up work area, and time to complete Job 2.
34% Wiring a Motor Starter
Safety, use of tools, selection of conductors, wiring diagram, workmanship, operation of motor, clean-up of work area, and time to complete Job 3.
25% Replacing Ballast in a Fluorescent Fixture
Safety, use of tools, installation of ballast, work professionalism, operations of fluorescent fixture, and time to complete Job 4.
Sample Job: Replacing Ballast in a Fluorescent Fixture
Maximum Time: 20 minutes
Participant Activity: The participants will go to a designated station, remove and replace the ballast in the fluorescent fixture that is provided, test for operation, and notify the evaluator so that the work can be inspected.