- Grounding and Bonding
Determination of system and circuit grounding requirements, methods and location of grounding connections. Choosing proper size grounding conductors, bonding of enclosures, equipment and interior metal piping systems.
- Branch Circuits, Wire Connections and Devices
Knowledge of circuit classifications, ratings, design and use requirements. Knowledge and calculation of branch circuit loads. Application of code rules covering electrical outlets and devices, including wiring connectors and methods.
Determination ampacity, type of insulation, usage requirements, methods of installation, protection, support and termination. Includes calculation of voltage drop and deration.
- General Knowledge of Electrical Trade
Terminology and practical calculations such as power factor, voltage and current ratings of equipment.
- Motors and Control of Motors and Equipment
Knowledge of code rules governing installation of motors and controls. Includes calculations for motor feeder and branch circuits, short circuit, ground fault, and overload protection, and disconnecting means. Knowledge of all control circuits and motor type application and usage.
- Services and Feeders
Knowledge of code rules covering services. Calculation of electrical loads and determination of proper size, rating and type of service and feeder conductors.
- General Use Equipment
Knowledge of code rules covering appliances, heating and air conditioning equipment, generators, transformers, etc.
- Overcurrent Protection
Knowledge or application of fuses, circuit breakers and all types of protective devices for conductors and equipment. Includes rules on taps and splices.
Knowledge of all types of raceways and their uses. Determining proper size, conductor fill, support and methods of installation.
- Special Occupancies and Equipment
Knowledge of code rules as they apply to hazardous locations, health care facilities, places of assembly, etc. Includes code rules on signs, welders, industrial machinery, swimming pools, etc.
- Boxes, Cabinets, Panelboards, Non-Raceway Enclosures
Application of proper type, use and support of boxes and cabinets, etc. Includes calculation of proper size and rating.
- Low Voltage Circuits and Equipment
Knowledge of circuits and equipment characterized by usage and electrical power limitations, which differentiate them from electric light and power circuits. Includes remote-control, signaling, and power limited circuits.
- Lighting and Lamps
Knowledge of all types and applications of lighting fixtures, ratings, requirements for occupancies, special provisions, clearances, etc. Includes load calculations for lighting.
- State Laws, Rules and Code Amendments
Knowledge of Skilled Trades Regulation Act 407 of 2016) and the State Electrical Code (2017 National Electrical Code and Part 8, Michigan amendments).