ELT – Electrical Occupations
ELT – Electrical Occupations
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Define job requirements from the contract documents.
- Identify and properly apply different wiring devices.
- Size and apply various types of conduits.
- Install electrical boxes.
- Size and install branch circuits per National Electrical code requirements.
- Demonstrate a working knowledge of special raceways, outlets and communication systems.
- Read engineering drawings.
- Properly apply National Electrical Code requirements to the intended use presented by engineering drawings.
- Describe the different types of lighting systems and associated fixtures.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Describe the competitive origins of the infant electric and gas industries in the late 1800s and early 1900s.
- Describe the political, social and economic issues that led to industry regulation.
- Describe the development of large public power electric systems.
- Discuss the impact of siting and environmental issues within the United States and in the Delaware Valley.
- Evaluate the impact of moving to a partially deregulated environment.
2 Weekly Lecture Hours
0 Weekly Lab Hours
2 Credits
- Demonstrate an understanding of the National Electrical Code.
- 17³Ô¹ÏÍø the NEC index in referencing an electrical problem or concern.
- Identify codes and/or tables applicable to various electrical situations.
- 17³Ô¹ÏÍø minimum Code requirements to a floor plan of a residence.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate knowledge of the general requirements for residential rough-in wiring.
- 17³Ô¹ÏÍø NEC requirements in completing wiring tasks.
- Demonstrate understanding of the difference between grounded and ungrounded conductors.
- Demonstrate knowledge of electrical services, overhead services, service drop, and service lateral.
- Layout and install cable and make connections.
- Demonstrate competence in installing basic electrical services.
- Demonstrate safe electrical practices.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Install conduits, wiring, and electrical distribution equipment associated with residential electrical installations.
- Identify and apply the criteria for selecting service panel boards and feeder sizes.
- 17³Ô¹ÏÍø the NEC requirements to the intended use presented by engineering drawings.
- Calculate feeder loading and determine the minimum feeder conductor size and rating of over-current protective devices.
- Tabulate materials required to install an electrical rough-in.
- Lay-out an electrical system for a new house.
1 Weekly Lecture Hours
2 Weekly Lab Hours
2 Credits
- Identify issues involved in completing work on old house wiring.
- Evaluate electrical circuits in older homes.
- Perform basic circuit checks for shorts, opens, and ground faults.
- Perform continuity and resistance checks on relay coils and contacts, overloads, fuses, circuit breakers, switches, and other control circuit components.
- Wire and troubleshoot basic electrical control circuits to develop a logical, systematic approach to troubleshooting.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Install a smart home system in a mock residential setting.
- Lay out, install, and program various smart switches, outlets, and other smart house devices.
- Determine how smart home devices reduce energy consumption.
- Integrate smart home devices with voice-control assistance.
0 Weekly Lecture Hours
0 Weekly Lab Hours
1 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
2 Weekly Lecture Hours
0 Weekly Lab Hours
2 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
0 Weekly Lecture Hours
0 Weekly Lab Hours
3 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Demonstrate the application of commercial building plans and specifications and interpret electrical symbols.
- Compute the correct service entrance feeder size, number of circuits and identify the criteria for selecting the appropriate service equipment.
- Comprehend installation requirements for commercial wiring.
- Demonstrate an understanding of the common techniques to determine whether a circuit has a short circuit, a ground fault or an open circuit and trouble shoot common residential electrical system problems.
- Draw basic Wye and Delta transformer diagrams and make connections.
- Identify and comprehend entrance grounding requirements.
- Determine the preferred and required minimum size conductors for lighting, appliances and general purpose branch circuits.
- Compute the lighting watts per square foot for a commercial building.
- Identify types of lighting fixtures used.
- Demonstrate the correct connections for wiring a low-voltage remote control system.
- Identify the different types of emergency power systems and all the sub-components and site requirements.
- Demonstrate knowledge of transformers, disconnecting devices, service entrances and metering configuration in a commercial building.
- Determine the proper raceway type and size dependent on conductors to be installed and box size for approved box fill.
- Describe both Wye and Delta connected three-phase services.
- Calculate loads for single-phase and three-phase branch circuits.
- Calculate loads for a retail store, office building, both single and multi-family dwellings, restaurant and other institutional projects.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Describe the effect of high- and low-power factors on alternating current circuits.
- Cite the methods for producing single and multi phase voltages.
- State the construction and operating characteristics of transformers, illustrating the various types of transformer connections and discussing the results of these connections.
- Detail the construction of various AC motors.
- Demonstrate a knowledge of the construction and operation of various types of motorcontrollers and protective devices.
- Determine the amount of light required for various areas and types of work.
- Lay out and select the correct lighting fixtures for various areas.
- Explain the operation of electronic motor controls.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Define the terminology associated with common/basic electrical systems and devices.
- Describe the operational characteristics and applications of various sensing devices.
- Identify and describe the function of basic control circuits/components.
- Contrast electrical starting and braking methods.
- Compare wound rotor, synchronous and consequent pole motors.
- Conduct job planning routines for various electrical component and system installations/repairs/replacements.
- Determine sizes and install electrical conduit, boxes, wiring, etc. with regard for engineered work plans and appropriate standards.
- Install motor controls and motors.
- Discuss and troubleshoot sensing devices and circuits, to include ground faults.
- Determine a methodology for troubleshooting various distribution and control circuits. Troubleshoot variable frequency AC motor drives.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Discuss terminology associated with PLCs.
- Describe the function, uses, and operation of a PLC.
- Define the function and operation of input/output diagrams and system networks.
- Interpret ladder logic to determine the functions of mechanical equipment.
- Discuss event driven sequencing as it relates to the input and output terminals of the PLC.
- Compare the operations of a PLC to manual and automatic control devices.
- Decipher which inputs and outputs are controlling internal counters and math functions.
- Interface wiring ladder logic diagrams with controller equipment.
- List the functions and types of timer instructions and give applications.
- Diagnose a PLC program, as it relates to a mechanical environment.
- Use PLC diagnostic equipment.
- Diagnose a motor control program in both manual and automatic modes.
- Analyze the consequences of changing a PLC program on the system being controlled.
- Identify the function and operation of a program interlock and give an application.
- Troubleshoot various levels of PLC systems to include up and down counter, timer and branching instructions.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate the application of commercial building plans and specifications and interpret electrical symbols.
- Demonstrate an understanding of installation requirements for commercial wiring.
- Compute the lighting watts per square foot for a commercial building.
- Identify types of lighting fixtures used in commercial work.
- Demonstrate knowledge of transformers, disconnecting devices, service entrances and metering configuration in a commercial building.
- Calculate loads for a retail store, office building, and both single and multi-family residences.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate a thorough knowledge of the safety requirements applicable to solar PV system installation and maintenance, including electrical, work-site, and personal safety.
- Accurately interpret and apply the National Electrical Code to solar PV system design and installation, with emphasis on a thorough working knowledge of NEC Article 690 “Solar Photovoltaic Systems”, and PV system grounding bonding, overcurrent protection, wire and conduit type and sizing, and PV system labeling.
- Identify PV system monitoring and maintenance needs, and specify service procedures and schedule to keep a system operating safely and efficiently throughout service life.
- Identify the appropriate layout, orientation, and mounting method for the modules/array, inverters, and other system components, with attention to electrical efficiency, mechanical integrity, site requirements, maintenance access, and safety.
- Conduct an accurate site survey to determine location suitability for a solar PV system, including adequate solar access, sufficient area and structure, proper orientation, and options for placement of PV modules, inverters, and other equipment.
- Install inverters, charge controllers, disconnects and overcurrent protection devices, meters, surge protection and grounding equipment, junction boxes, batteries and enclosures, system monitoring equipment, conduit, and other system hardware in conformance with equipment manufacturers’ guidelines, the system design, the NEC, the utility company, and the local authority having jurisdiction.
- Draw a basic site plan, showing site details and equipment layout.
- Obtain and accurately interpret solar radiation and temperature data for the site and solar PV module and inverter performance specifications, determine customer energy use and needs, and then calculate the required PV system output and configure a solar PV system from available components to produce the required output.
- Determine the local requirements for utility interconnection, and select an appropriate utility interconnection point and method in conformance with the local utility company, the local authority having jurisdiction, and the NEC.
- Identify opportunities to reduce energy demand through building performance and/or electric equipment upgrades in order to optimize PV system size and create an efficient, integrated electrical system.
- Calculate design voltages and currents for all circuits within the PV system, and select the appropriate conductor type and rating for each circuit, taking into account all de-rating factors and voltage drop.
- Verify that the array operating voltages and currents are within the operating limits for the inverters or charge controllers that the capacity and insulation ratings of all conductors conform to NEC requirements, and that voltage drop losses are within acceptable limits.
- Determine the proper size, rating, and location for PV system overcurrent protection and disconnect devices, and for all grounding, bonding, surge suppression, and lightning arrest equipment.
- Draw complete one-line and three-line wiring diagrams for grid-tied and off-grid solar PV systems.
- Properly identify and connect all system equipment, conduit and conductors, specify conduit and conductor type and size, and specify location and text of all NEC required labels.
- Individually inspect and test PV modules, install module mounting and support structure per manufacturers’ recommendations and design, insuring proper structural attachment and weather sealing, and install modules and interconnect wiring with attention to electrical safety and code compliance.
- Install, label, and terminate all electrical wiring, verify proper connections, phase/polarity relationships, and continuity, and measure impedance of the grounding system.
- Identify the appropriate layout, orientation, and mounting method for the modules/array, inverters, and other system components, with attention to electrical efficiency, mechanical integrity, site requirements, maintenance access, and safety.
- Conduct an accurate site survey to determine location suitability for a solar PV system, including adequate solar access, sufficient area and structure, proper orientation, and options for placement of PV modules, inverters, and other equipment.
- Install inverters, charge controllers, disconnects and overcurrent protection devices, meters, surge protection and grounding equipment, junction boxes, batteries and enclosures, system monitoring equipment, conduit, and other system hardware in conformance with equipment manufacturers’ guidelines, the system design, the NEC, the utility company, and the local authority having jurisdiction.
- Draw a basic site plan, showing site details and equipment layout.
- Obtain and accurately interpret solar radiation and temperature data for the site and solar PV module and inverter performance specifications, determine customer energy use and needs, and then calculate the required PV system output and configure a solar PV system from available components to produce the required output.
- Determine the local requirements for utility interconnection, and select an appropriate utility interconnection point and method in conformance with the local utility company, the local authority having jurisdiction, and the NEC.
- Identify opportunities to reduce energy demand through building performance and/or electric equipment upgrades in order to optimize PV system size and create an efficient, integrated electrical system.
- Calculate design voltages and currents for all circuits within the PV system, and select the appropriate conductor type and rating for each circuit, taking into account all de-rating factors and voltage drop.
- Verify that the array operating voltages and currents are within the operating limits for the inverters or charge controllers that the capacity and insulation ratings of all conductors conform to NEC requirements, and that voltage drop losses are within acceptable limits.
- Determine the proper size, rating, and location for PV system overcurrent protection and disconnect devices, and for all grounding, bonding, surge suppression, and lightning arrest equipment.
- Draw complete one-line and three-line wiring diagrams for grid-tied and off-grid solar PV systems.
- Properly identify and connect all system equipment, conduit and conductors, specify conduit and conductor type and size, and specify location and text of all NEC required labels.
- Individually inspect and test PV modules, install module mounting and support structure per manufacturers’ recommendations and design, insuring proper structural attachment and weather sealing, and install modules and interconnect wiring with attention to electrical safety and code compliance.
- Install, label, and terminate all electrical wiring, verify proper connections, phase/polarity relationships, and continuity, and measure impedance of the grounding system.
- Measure PV system performance and operating parameters, compare with equipment specifications and design calculations, and assess the operating condition of the system.
- Perform diagnostic tests to isolate the cause of deficiencies or malfunctions, and specify corrective action.
- Disconnect PV system from all power sources to allow for safe servicing or replacement of equipment.
- Identify applicable local, state, and federal incentive or rebate programs, determine the requirements for application, approval, installation, maintenance, and system monitoring and metering, and integrate all requirements into the PV system design and installation.
- Identify required documentation and record-keeping to insure compliance with such programs.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Define job requirements from the contract documents.
- Identify and properly apply different wiring devices.
- Size and apply various types of conduits.
- Install electrical boxes.
- Size and install branch circuits per National Electrical code requirements.
- Demonstrate a working knowledge of special raceways, outlets and communication systems.
- Read engineering drawings.
- Properly apply National Electrical Code requirements to the intended use presented by engineering drawings.
- Describe the different types of lighting systems and associated fixtures.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Describe the competitive origins of the infant electric and gas industries in the late 1800s and early 1900s.
- Describe the political, social and economic issues that led to industry regulation.
- Describe the development of large public power electric systems.
- Discuss the impact of siting and environmental issues within the United States and in the Delaware Valley.
- Evaluate the impact of moving to a partially deregulated environment.
2 Weekly Lecture Hours
0 Weekly Lab Hours
2 Credits
- Demonstrate an understanding of the National Electrical Code.
- 17³Ô¹ÏÍø the NEC index in referencing an electrical problem or concern.
- Identify codes and/or tables applicable to various electrical situations.
- 17³Ô¹ÏÍø minimum Code requirements to a floor plan of a residence.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate knowledge of the general requirements for residential rough-in wiring.
- 17³Ô¹ÏÍø NEC requirements in completing wiring tasks.
- Demonstrate understanding of the difference between grounded and ungrounded conductors.
- Demonstrate knowledge of electrical services, overhead services, service drop, and service lateral.
- Layout and install cable and make connections.
- Demonstrate competence in installing basic electrical services.
- Demonstrate safe electrical practices.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Install conduits, wiring, and electrical distribution equipment associated with residential electrical installations.
- Identify and apply the criteria for selecting service panel boards and feeder sizes.
- 17³Ô¹ÏÍø the NEC requirements to the intended use presented by engineering drawings.
- Calculate feeder loading and determine the minimum feeder conductor size and rating of over-current protective devices.
- Tabulate materials required to install an electrical rough-in.
- Lay-out an electrical system for a new house.
1 Weekly Lecture Hours
2 Weekly Lab Hours
2 Credits
- Identify issues involved in completing work on old house wiring.
- Evaluate electrical circuits in older homes.
- Perform basic circuit checks for shorts, opens, and ground faults.
- Perform continuity and resistance checks on relay coils and contacts, overloads, fuses, circuit breakers, switches, and other control circuit components.
- Wire and troubleshoot basic electrical control circuits to develop a logical, systematic approach to troubleshooting.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Install a smart home system in a mock residential setting.
- Lay out, install, and program various smart switches, outlets, and other smart house devices.
- Determine how smart home devices reduce energy consumption.
- Integrate smart home devices with voice-control assistance.
0 Weekly Lecture Hours
0 Weekly Lab Hours
1 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
2 Weekly Lecture Hours
0 Weekly Lab Hours
2 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
0 Weekly Lecture Hours
0 Weekly Lab Hours
3 Credits
- Explain three program-related concepts that have been applied during the work experience.
- Describe the ways that technology is utilized in the work experience.
- Analyze the culture of the host organization.
- Analyze an operational process within the work experience.
- Demonstrate how assigned tasks depend on successful communication.
- Describe how time and activity are managed to meet work-imposed deadlines.
- Describe an instance where problem-solving skills were needed to analyze a situation in the work experience.
- Formulate a self-assessment for career growth and personal satisfaction.
- Satisfy the competencies of the chosen CSEL placement (to be developed in consultation with the CSEL instructor).
- Work closely with a faculty mentor in the student’s program/major to complete a project which articulates how the experience helps the student achieve program outcomes.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Demonstrate the application of commercial building plans and specifications and interpret electrical symbols.
- Compute the correct service entrance feeder size, number of circuits and identify the criteria for selecting the appropriate service equipment.
- Comprehend installation requirements for commercial wiring.
- Demonstrate an understanding of the common techniques to determine whether a circuit has a short circuit, a ground fault or an open circuit and trouble shoot common residential electrical system problems.
- Draw basic Wye and Delta transformer diagrams and make connections.
- Identify and comprehend entrance grounding requirements.
- Determine the preferred and required minimum size conductors for lighting, appliances and general purpose branch circuits.
- Compute the lighting watts per square foot for a commercial building.
- Identify types of lighting fixtures used.
- Demonstrate the correct connections for wiring a low-voltage remote control system.
- Identify the different types of emergency power systems and all the sub-components and site requirements.
- Demonstrate knowledge of transformers, disconnecting devices, service entrances and metering configuration in a commercial building.
- Determine the proper raceway type and size dependent on conductors to be installed and box size for approved box fill.
- Describe both Wye and Delta connected three-phase services.
- Calculate loads for single-phase and three-phase branch circuits.
- Calculate loads for a retail store, office building, both single and multi-family dwellings, restaurant and other institutional projects.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Describe the effect of high- and low-power factors on alternating current circuits.
- Cite the methods for producing single and multi phase voltages.
- State the construction and operating characteristics of transformers, illustrating the various types of transformer connections and discussing the results of these connections.
- Detail the construction of various AC motors.
- Demonstrate a knowledge of the construction and operation of various types of motorcontrollers and protective devices.
- Determine the amount of light required for various areas and types of work.
- Lay out and select the correct lighting fixtures for various areas.
- Explain the operation of electronic motor controls.
3 Weekly Lecture Hours
2 Weekly Lab Hours
4 Credits
- Define the terminology associated with common/basic electrical systems and devices.
- Describe the operational characteristics and applications of various sensing devices.
- Identify and describe the function of basic control circuits/components.
- Contrast electrical starting and braking methods.
- Compare wound rotor, synchronous and consequent pole motors.
- Conduct job planning routines for various electrical component and system installations/repairs/replacements.
- Determine sizes and install electrical conduit, boxes, wiring, etc. with regard for engineered work plans and appropriate standards.
- Install motor controls and motors.
- Discuss and troubleshoot sensing devices and circuits, to include ground faults.
- Determine a methodology for troubleshooting various distribution and control circuits. Troubleshoot variable frequency AC motor drives.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Discuss terminology associated with PLCs.
- Describe the function, uses, and operation of a PLC.
- Define the function and operation of input/output diagrams and system networks.
- Interpret ladder logic to determine the functions of mechanical equipment.
- Discuss event driven sequencing as it relates to the input and output terminals of the PLC.
- Compare the operations of a PLC to manual and automatic control devices.
- Decipher which inputs and outputs are controlling internal counters and math functions.
- Interface wiring ladder logic diagrams with controller equipment.
- List the functions and types of timer instructions and give applications.
- Diagnose a PLC program, as it relates to a mechanical environment.
- Use PLC diagnostic equipment.
- Diagnose a motor control program in both manual and automatic modes.
- Analyze the consequences of changing a PLC program on the system being controlled.
- Identify the function and operation of a program interlock and give an application.
- Troubleshoot various levels of PLC systems to include up and down counter, timer and branching instructions.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate the application of commercial building plans and specifications and interpret electrical symbols.
- Demonstrate an understanding of installation requirements for commercial wiring.
- Compute the lighting watts per square foot for a commercial building.
- Identify types of lighting fixtures used in commercial work.
- Demonstrate knowledge of transformers, disconnecting devices, service entrances and metering configuration in a commercial building.
- Calculate loads for a retail store, office building, and both single and multi-family residences.
2 Weekly Lecture Hours
2 Weekly Lab Hours
3 Credits
- Demonstrate a thorough knowledge of the safety requirements applicable to solar PV system installation and maintenance, including electrical, work-site, and personal safety.
- Accurately interpret and apply the National Electrical Code to solar PV system design and installation, with emphasis on a thorough working knowledge of NEC Article 690 “Solar Photovoltaic Systems”, and PV system grounding bonding, overcurrent protection, wire and conduit type and sizing, and PV system labeling.
- Identify PV system monitoring and maintenance needs, and specify service procedures and schedule to keep a system operating safely and efficiently throughout service life.
- Identify the appropriate layout, orientation, and mounting method for the modules/array, inverters, and other system components, with attention to electrical efficiency, mechanical integrity, site requirements, maintenance access, and safety.
- Conduct an accurate site survey to determine location suitability for a solar PV system, including adequate solar access, sufficient area and structure, proper orientation, and options for placement of PV modules, inverters, and other equipment.
- Install inverters, charge controllers, disconnects and overcurrent protection devices, meters, surge protection and grounding equipment, junction boxes, batteries and enclosures, system monitoring equipment, conduit, and other system hardware in conformance with equipment manufacturers’ guidelines, the system design, the NEC, the utility company, and the local authority having jurisdiction.
- Draw a basic site plan, showing site details and equipment layout.
- Obtain and accurately interpret solar radiation and temperature data for the site and solar PV module and inverter performance specifications, determine customer energy use and needs, and then calculate the required PV system output and configure a solar PV system from available components to produce the required output.
- Determine the local requirements for utility interconnection, and select an appropriate utility interconnection point and method in conformance with the local utility company, the local authority having jurisdiction, and the NEC.
- Identify opportunities to reduce energy demand through building performance and/or electric equipment upgrades in order to optimize PV system size and create an efficient, integrated electrical system.
- Calculate design voltages and currents for all circuits within the PV system, and select the appropriate conductor type and rating for each circuit, taking into account all de-rating factors and voltage drop.
- Verify that the array operating voltages and currents are within the operating limits for the inverters or charge controllers that the capacity and insulation ratings of all conductors conform to NEC requirements, and that voltage drop losses are within acceptable limits.
- Determine the proper size, rating, and location for PV system overcurrent protection and disconnect devices, and for all grounding, bonding, surge suppression, and lightning arrest equipment.
- Draw complete one-line and three-line wiring diagrams for grid-tied and off-grid solar PV systems.
- Properly identify and connect all system equipment, conduit and conductors, specify conduit and conductor type and size, and specify location and text of all NEC required labels.
- Individually inspect and test PV modules, install module mounting and support structure per manufacturers’ recommendations and design, insuring proper structural attachment and weather sealing, and install modules and interconnect wiring with attention to electrical safety and code compliance.
- Install, label, and terminate all electrical wiring, verify proper connections, phase/polarity relationships, and continuity, and measure impedance of the grounding system.
- Identify the appropriate layout, orientation, and mounting method for the modules/array, inverters, and other system components, with attention to electrical efficiency, mechanical integrity, site requirements, maintenance access, and safety.
- Conduct an accurate site survey to determine location suitability for a solar PV system, including adequate solar access, sufficient area and structure, proper orientation, and options for placement of PV modules, inverters, and other equipment.
- Install inverters, charge controllers, disconnects and overcurrent protection devices, meters, surge protection and grounding equipment, junction boxes, batteries and enclosures, system monitoring equipment, conduit, and other system hardware in conformance with equipment manufacturers’ guidelines, the system design, the NEC, the utility company, and the local authority having jurisdiction.
- Draw a basic site plan, showing site details and equipment layout.
- Obtain and accurately interpret solar radiation and temperature data for the site and solar PV module and inverter performance specifications, determine customer energy use and needs, and then calculate the required PV system output and configure a solar PV system from available components to produce the required output.
- Determine the local requirements for utility interconnection, and select an appropriate utility interconnection point and method in conformance with the local utility company, the local authority having jurisdiction, and the NEC.
- Identify opportunities to reduce energy demand through building performance and/or electric equipment upgrades in order to optimize PV system size and create an efficient, integrated electrical system.
- Calculate design voltages and currents for all circuits within the PV system, and select the appropriate conductor type and rating for each circuit, taking into account all de-rating factors and voltage drop.
- Verify that the array operating voltages and currents are within the operating limits for the inverters or charge controllers that the capacity and insulation ratings of all conductors conform to NEC requirements, and that voltage drop losses are within acceptable limits.
- Determine the proper size, rating, and location for PV system overcurrent protection and disconnect devices, and for all grounding, bonding, surge suppression, and lightning arrest equipment.
- Draw complete one-line and three-line wiring diagrams for grid-tied and off-grid solar PV systems.
- Properly identify and connect all system equipment, conduit and conductors, specify conduit and conductor type and size, and specify location and text of all NEC required labels.
- Individually inspect and test PV modules, install module mounting and support structure per manufacturers’ recommendations and design, insuring proper structural attachment and weather sealing, and install modules and interconnect wiring with attention to electrical safety and code compliance.
- Install, label, and terminate all electrical wiring, verify proper connections, phase/polarity relationships, and continuity, and measure impedance of the grounding system.
- Measure PV system performance and operating parameters, compare with equipment specifications and design calculations, and assess the operating condition of the system.
- Perform diagnostic tests to isolate the cause of deficiencies or malfunctions, and specify corrective action.
- Disconnect PV system from all power sources to allow for safe servicing or replacement of equipment.
- Identify applicable local, state, and federal incentive or rebate programs, determine the requirements for application, approval, installation, maintenance, and system monitoring and metering, and integrate all requirements into the PV system design and installation.
- Identify required documentation and record-keeping to insure compliance with such programs.
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