EPT 2140 - NCCER Electrician Level 2

1. Identify AC waveforms.

1. Define the terminology of sine waves.
2. Define AC phase relationships.
3. Identify nonsinusoidal waveforms.

1. Determine unknown values in AC circuits.

1. Find unknown values in purely resistive AC circuits.
2. Find unknown values in inductive AC circuits.
3. Find unknown values in capacitive AC circuits.
4. Find unknown values in combination circuits.

1. Make power calculations in AC circuits.

1. Calculate true power.
2. Calculate apparent power.
3. Calculate reactive power.
4. Calculate power factor.
5. Use the power triangle to determine unknown values.

1. Identify transformers and explain how they operate.

1. Identify the basic components in a transformer.
2. Identify transformer operating characteristics.
3. Calculate turns and voltage ratios.
4. Identify various types of transformers and their applications.

Motors and Lighting

1. Identify direct current (DC) motors and describe their operating characteristics.

1. Understand how DC motors operate.
2. Identify types of DC motors.

1. Identify alternating current (AC) motors and describe their operating characteristics.

1. Understand how AC motors operate.
2. Identify three-phase induction motors.
3. Identify synchronous motors.
4. Identify single-phase induction motors.

1. Identify variable-speed drives and describe their operating characteristics.

1. Identify types of adjustable speed loads.
2. Identify types of motor speed control.
3. Identify breaking methods.

1. Identify motor enclosures, frame designations, and operating characteristics.

1. Identify types of motor enclosures.
2. Identify NEMA frame designations.
3. Identify motor operating characteristics using nameplate data.

1. Identify the connections and terminal markings for AC motors.

1. Identify the terminals of wye-connected motors.
2. Identify the terminals of delta-connected motors.

1. Identify the NEC requirements for motors.

1. Identify NEC installation requirements.
2. Identify NEC motor protection requirements.

1. Explain the relationship EPTween human vision and light.

1. Identify how the human eye operates.
2. Identify the characteristics of light.

1. Identify and install lamps and ballasts.

1. Identify and install lamps.
2. Identify and install ballasts.

1. Select and install lighting fixtures for various applications.

1. Identify lighting fixtures and their applications.
2. Store and handle lamps and lighting fixtures.
3. Install light fixtures.

1. Select lighting controls for various applications.

1. Select occupancy sensors.
2. Select photosensors.
3. Use Lighting timers.
4. Program energy management systems.

Conduit Bending

1. Identify the NEC requirements of conduit bends.

1. Identify the minimum radius requirements for various types of conduit.
2. Calculate the number of bends per run.

1. Use equations to find bend distances.

1. Use right-angle mathematics to find bend distances.
2. Use the circumference of a circle to determine bend distances.

1. Use mechanical benders.

1. Chart a mechanical bender.
2. Make mechanical bends.

1. Use electric and hydraulic conduit benders.

1. Use electric conduit benders.
2. Use hydraulic conduit benders.

1. Install PVC conduit.

1. Join PVC conduit.
2. Bend PVC conduit.

Pull & Junction Boxes, Cable Tray

1. Identify boxes and fittings.

1. Select pull and junction boxes.
2. Select and install fittings.

1. Size pull and junction boxes.

1. Size pull and junction boxes for systems under 1,000V.
2. Size pull and junction boxes for systems over 1,000V.

1. Identify specialty enclosures.

1. Identify conduit bodies and other cast enclosures.
2. Select and install handholes.

1.  Identify cable tray components.

1. Select cable tray fittings.
2. Identify cable tray supports.

1. Calculate the load on a cable tray.

1. Determine the load on supports
2. Identify types of failure under load.
3. Identify installation requirement for cable tray.

1. Determine cable tray fill.

1. Determine the number of conductors allowed in cable tray operating at 2,000V or less.
2. Identify derating factors for cable tray conductors.

Conductor Installations & Terminations

1.  Install cable in conduit systems.

1. Plan the installation.
2. Identify a pulling location and set up the cable reels.
3. Prepare raceways for conductors.
4. Install a pull line.
5. Prepare the cable ends for pulling.
6. Select cable-pulling equipment.

1. Set up for high-force cable pulling.

1. Set up the feeding end.
2. Support conductors.
3. Pull cable in cable trays.

1. Identify cable limitations when pulling.

1. Calculate the allowable tension on pulling devices.
2. Calculate the allowable tension on conductors.
3. Calculate the sidewall loading.

1. Strip and train conductors.

1. Strip small conductors.
2. Strip large conductors.
3. Bend cable and train conductors.

1. Make wire connections.

1. Install various types of connectors.
2. Make aluminum connections.
3. Install control and signal cables.

1. Reinsulate electrical connections.

1. Tape electrical connections.
2. Install heat-shrink insulators and use motor connection kits.

Grounding and Bonding

1. Identify grounding requirements and applications.

1. Identify the purpose of grounding and bonding.
2. Identify the grounding requirements for various systems.

1. Identify service grounding methods.

1. Size and install a grounding electrode conductor.
2. Select other electrodes.

1. Size and select equipment grounding.

1. Size and equipment grounding conductor.
2. Ground an enclosure.

1. Bond service equipment.

1. Size the main bonding jumper.
2. Bond multiple service disconnects.
3. Bond enclosures and equipment.

1. Ground and bond separately derived systems.

1. Ground separately derived systems.
2. Install grounding at more than one building.

1. Test for effective grounds.

1. Measure earth resistance using the fall-of-potential method.
2. Complete a three-point test.

Circuit Breakers & Fuses

1. Identify the function of overcurrent protective devices.

1. Identify types of overcurrent conditions.
2. Identify NEC requirements for overcurrent protective devices.

1. Size and select circuit breakers.

1. Identify circuit breaker components.
2. Identify circuit breaker types and ratings.

1. Size and select fuses.

1. Identify fuse types and markings.
2. Size fuses.
3. Coordinate the operation on overcurrent protective devices.

Contron Systems & Concepts

1. Identify magnetic and mechanically held contactors.

1. Select lighting contactors.
2. Make forward and reverse motor contactor connections.
3. Select mechanically held contactors.

1.  Select and troubleshoot relays.

1. Select control relays.
2. Select timers and timing relays
3. Select solid-state relays.
4. Select overload relays.
5. Troubleshoot relays.

1. Install low-voltage remote control switching systems.

1. Identify remote control switching system components and operating characteristics.
2. Plan and install a remote control switching system.