ELECTRICITY 2 Mr. Rhea Parents please read the following with your student and sign.* COURSE DESCRIPTION: This course will provide the student with the basic technical knowledge and skills required to enter the electrical field of residential and/or commercial wiring. The course will cover the first year of the National Center for Construction Education and Research (NCCER) curriculum and the National Electrical Code requirements. Emphasis will be placed on the skills and attitudes necessary to gain employment in an apprenticeship program or to pursue higher education. On completion of course students will receive the Electricity 1 Curriculum Certificate and the Core Curriculum Certificate from The National Center for Construction Education and Research (NCCER) REQUIRED SUPPLIES, CLOTHING AND FEES: Pencils Colored pencils for drawing circuits. (Green, Blue, Black, and Red) Lined loose-leaf paper Scientific calculator (Cell Phones Not Allowed) Leather work shoes/boots (sneakers not acceptable) Safety glasses with side shields (I have them available for purchase for $5.00) Long pants, must be around the waist Shirt with sleeves NCCER Registration Fee - $25.00 (mandatory fee) Skills USA Membership Fee - $20.00 Following tools are required: i) Side cutting pliers (Electricians /Linesman s pliers) ii) Wire strippers iii) Cable ripper/cable stripper iv) 4 in 1 screwdriver v) Tape measure vi) Meter for measuring continuity vii) Hack Saw viii) Hammer ix) Torpedo Level x) Locking Tool Box **Every student MUST have a locking tool box. Tool boxes must have either a combination lock or a padlock. Due to space constraints tool boxes cannot exceed 20 inches in length. The above tools are the only required tools for the Electricity 2 class. 1
If competing in SKILLS USA competition the following tools are required: 1) Diagonal pliers 2) Channel locks 3) 18 Volt drill (also highly recommended for completing shop projects) 4) 7-pocket tool pouch with adjustable web belt. All tools must be kept in a locked tool box at all times OPTIONAL EQUIPMENT AND FEES: Regional Skills USA Competition Fee - $40.00 State Skills Competition Fee - $75.00 National Skills USA Competition Fee Fundraiser COURSE OUTLINE: 1. Residential Electrical Wiring, Chapter one, General Information for Electrical Installations Identify the basic safety rules for working on electrical systems. Access the Internet to obtain a virtual unlimited source of safety and technical related information. Become familiar with important electrical codes, safety codes, and building codes such as NFPA 70, 70A, 70B, 70E, OSHA, NIOSH, ADA, NRTL, and ICC. Discuss licensing, permits, plans, specifications, symbols, and notations. Define the role of the electrical inspector and the International Association of Electrical Inspectors (IAEI). Understand the metric system of measurement. Demonstrate the use and care of appropriate personnel protective equipment (PPE) Define safe work procedures to use around electrical hazards Explain the importance of hazard communications (HazCom) and material safety data sheets (MSDS) Identify causes of accidents and the impact of accident cost Explain the role of OSHA in job-site safety Explain OSHA s General Duty Clause and 1926 CFR Subpart C Recognize hazard recognition and risk assessment Explain fall protection, ladder, stair, and scaffold procedures and requirements Identify struck-by hazards and demonstrate safe working procedures and requirements Identify caught-in-between hazards and demonstrate safe working procedures and requirements Identify other construction hazards or your job site, including hazardous material exposures, environmental elements, welding, and cutting hazards, confined spaces, and fires Explain the idea of a safety culture and its importance in the construction crafts 2
2. Residential Electrical Wiring, Chapter Two, Electrical Symbols and Outlets Identify and explain the electrical outlet symbols used in the plans of the single-family dwelling. Discuss the types of outlets, boxes, luminaries, and switches used in the residence. Select and demonstrate the appropriate method for mounting the various electrical devices used in the residence. Discuss issues involved with remodel work. Calculate the NEC fill requirements for boxes under 100 cubic inches Understand the concept of fire-resistance rating of walls and ceilings Describe the different types of non-metallic and metallic boxes Identify the appropriate box type and size for a given application 3. Residential Electrical Wiring, Chapter Three, Determining the Required Number of Lighting Outlets, Receptacles Outlets, and Small-Appliance Branch Circuits Understand the NEC requirements for calculating branch-circuit sizing and loading. Understand the term volt-amperes per square foot. Calculate the occupied floor area of a residence. Determine the minimum number of lighting and small-appliance branch circuits. Determine where receptacle outlets and lighting outlets are required. 4. Residential Electrical Wiring, Chapter Four, Conductor Sizes and Types, Wiring Methods, Wire Connections Voltage Drop, Neutral Conductor Sizing for Services From the cable markings, describe the insulation and jacket material, conductor size and type, number of conductors, temperature rating, voltage rating, and permitted uses. Determine the allowable ampacity of a conductor for a given application. Identify the NEC requirements for color coding of conductors. Install conductors in a raceway system Calculate overcurrent protection for conductors and maximum loading of branch circuits. Define aluminum conductors and the possible fire hazards if they are improperly installed. Define the NEC installation requirements for all types of cables and raceways. Define the special ampacity ratings of service-entrance conductors. Calculate voltage drop. Identify and select various types and sizes or raceways and fittings for a given application Identify various methods used to fabricate (join) and install raceway systems Identify uses permitted for selected raceways Demonstrate how to install flexible raceway system Terminate a selected raceway system Identify the appropriate conduit body for a given application 3
5. Residential Electrical Wiring, Chapter Five, Conductor Identification, Switch Control of Lighting Circuits, Bonding/Grounding of Wiring Devices, Induction Heating Identify grounded and ungrounded conductors in cable or conduit (color coding) Define the various types of toggle switches for lighting circuit control. Select a switch with the proper rating for the specific installation conditions. Describe the operation that each type of toggle switch performs in typical lighting circuit installations. Determine when a neutral conductor must be added for switch boxes. Demonstrate the correct wiring connections for each type of switch per NEC requirements. Describe and demonstrate the various ways to bond wiring devices to the outlet box. Describe how to design circuits to avoid heating by induction. 6. Residential Electrical Wiring, Chapter Six, Ground Fault Circuit Interrupters, Arc-Fault Circuit Interrupters, Surge Protective Devices, Immersion Detection Circuit Interrupters, and Appliance Leakage Current Interrupters. Describe how GFCIs, AFCIs, IDCIs, and ALCLs operate. Define the NEC requirements of where and how GFCIs and AFCIs are to be installed and connected. Describe why AFCIs and GFCIs should not be used on a shared neutral branch circuit unless it is listed as such. Select and install other special purpose devices including tamper-resistant and weather-resistant receptacles. Discuss the important NEC requirements for replacing existing receptacles. Describe the rules for providing GFCI protection on construction sites. Describe the basics of surge protective devices. Explain the purpose of ground fault circuit interrupters and tell where they must be installed. 7. Residential Electrical Wiring, Chapter Seven, Luminaries, Ballasts, and Lamps Describe luminaire terminology, such as Type IC and Type Non-IC. Describe the NEC requirements for installing and connecting surface and recessed luminaries. Describe thermal protection requirements for recessed luminaires. Describe and install fixture whips. Describe energy-saving ballasts and lamps. Describe what a class P ballast is. 4
8. Residential Electrical Wiring, Chapter Eight Eighteen, Lighting Branch circuits Describe the meaning of general, accent, task, and security lighting. Estimate loads for outlets connected to a branch circuit. Determine how many receptacles to connect to a branch circuit. Calculate how many branch circuits are needed. Draw a cable layout and wiring diagram for a branch circuit. Properly size outlet boxes based on the number of conductors and devices. Describe and apply the NEC requirements for luminaires in clothes closets. Describe NEC requirements for the installation of ceiling suspended (paddle) fans. Estimate the probable connected load for a room based on the number of luminaires and outlets included in the circuit suppling the room. Define equipment grounding requirements for bathroom installations. Describe NEC requirements for receptacles installed in bathroom. Define wet and damp locations. Describe the NEC requirements for small-appliance branch circuits. Describe the basics for dimming incandescent and fluorescent lamps. Describe surge suppressors. Calculate the load and electrical connections for electric dryers. Define the NEC requirements for underground cable and conduit wiring. 9. Residential Electrical Wiring, Chapter Nineteen, Special Purpose Outlets - Water Pump, Water Heater Describe the operation of electric water heaters and their components. Calculate the effect of voltage variation on heating elements and motors. Use the NEC requirements to design the branch circuit, including conductors, cables, raceway, motor branch-circuit short-circuit, ground fault and overload protection, disconnecting means, and grounding for water pumps and electric water heaters. 10. Residential Electrical Wiring, Chapter Twenty, Special Purpose Outlets Ranges, Counter-mounted Cooking Units, and Wall mounted Ovens Describe and apply the NEC requirements for installing and connecting freestanding ranges, counter-mounted cooking units, wall-mounted ovens, microwave ovens, and light energy ovens. Make load calculations to determine proper size conductors, overcurrent protection, disconnecting means, and how to achieve proper grounding. Describe the different configurations for 30- and 50-ampere NEMA receptacles and cords. 11. Residential Electrical Wiring, Chapter Twenty-One, Special Purpose Outlets Food waste Disposer, Dishwasher Install circuits for a typical food waste disposer and dishwasher. Describe direct connections (hard wired) and cord-and-plug connections. Describe the meaning of branch-circuit protection and overload protection. Describe the requirements for providing a means to disconnect appliances. Describe the acceptable methods for grounding appliances. 5
12. Residential Electrical Wiring, Chapter Twenty-Two, Special Purpose Outlets Bathroom Ceiling Heat/Vent/Lights, Attic fan, and Hydro-massage tubs. Describe the operation and control of heat/vent/lights and make electrical connections in conformance with the NEC. Describe the operation and control of attic exhaust fans and make electrical connections in conformance with the NEC. Describe NEC requirements for hydro-massage bathtub branch circuits. 13. Residential Electrical Wiring, Chapter Twenty-Three, Special Purpose Outlets Electric heating and Air-conditioning. Describe the NEC requirements for embedded resistance heating cable, electric furnaces, electric baseboards, and heat pumps. Describe and Apply the data found on the nameplate of HVAC equipment, and determine electrical installation requirements in conformance with the NEC. Describe rules for installing electric space heating and HVAC equipment. 14. Residential Electrical Wiring, Chapter Twenty-Four, Gas and Oil Heating Systems. Describe and apply the NEC requirements for branch circuit wiring for central heating systems. Describe and apply the NEC requirements for class 2control circuit wiring. 15. Residential Electrical Wiring, Chapter Twenty-five, Television, Telephone, and low voltage Signal Systems. Install residential telephone and television wiring, antennas, and CATV cables in conformance with NEC requirements. Install low-voltage wiring for chimes. 16. Residential Electrical Wiring, Chapter Twenty-Six, Smoke, Heat, and Carbon Monoxide Alarms, and Security Systems Describe the basics of smoke, heat, and carbon monoxide alarms. Describe and apply the requirements for the location of smoke, heat, and carbon monoxide alarms. Discuss the general requirements for the installation of security systems. 17. Residential Electrical Wiring, Chapter Twenty-Seven, Service-Entrance Equipment Explain the role of the National Electric Code in residential wiring and describe how to determine electrical service requirements for dwellings. Explain the grounding requirements of a residential electric service. Select the proper wiring methods for various types of equipment. Explain the types and purposes of equipment grounding conductors. Size outlet boxes and select the proper type for different wiring methods. Explain how wiring devices are selected and installed. Describe the installation and control of lighting fixtures. 6
18. Residential Electrical Wiring, Chapter Twenty-Eight, Overcurrent Protection Fuses and Circuit Breakers Describe the NEC requirements for fuses and circuit breakers. Describe the five possible circuit conditions Describe when to use single-pole and 2-pole circuit breakers. 19. Residential Electrical Wiring, Chapter Twenty-Nine, Service-Entrance Calculations Calculate and select service-entrance equipment. Compute branch circuit loads and explain their installation. Describe why the neutral conductor is permitted to be smaller than the ungrounded conductors. Describe special NEC rules that permit smaller size service-entrance conductors for single-family dwellings. Demonstrate how to read a watt-hour meter. 20. Residential Electrical Wiring, Chapter Thirty, Swimming Pools, Spas, Hot Tubs, and Hydro-massage Baths Describe the installation rules for electrical systems around swimming pools, spas, and hot tubs. Recognize the importance of swimming pool wiring with regard to human safety. Discuss the hazards of electrical shock associated with faulty wiring in, on, or near pools. 21. Residential Electrical Wiring, Chapter Thirty-One, Standby Power Systems Describe the safety issues concerning optional standby power systems. Describe the different types of standby power systems. Describe the purpose of transfer switches, disconnecting means, and sizing requirements. Define the NEC requirements for standby power systems. 22. NCCER Electrical Level One book, Unit 7, 26107-11 Pipe Bending Identify the methods for hand bending and installing conduit Determine conduit bends Make 90 0 bends, back-to-backbends, offsets, kicks, and saddle bends using a hand bender Cut, ream, and thread conduit 23. NCCER Electrical Level One book, Unit 5, 26104-11 Electrical Theory Explain the basic characteristics of combination circuits Calculate, using Kirchoff s voltage law, the voltage drop in series, parallel and series-parallel circuits Calculate, using Kirchoff s current law, the total current in parallel and series-parallel circuits Using Ohm s law, find the unknown parameters in series, parallel, and series-parallel circuits 24. NCCER Core Curriculum book, Unit 3, 00103-09 Introduction to Hand Tools Recognize and identify some basic hand tools and their proper uses in the construction trade Visually inspect hand tools to determine if they are safe to use Safely use hand tools 7
25. NCCER Core Curriculum book, Unit 4, 00104-09 Introduction to Power Tools Identify power tools commonly used in the construction trades Use power tools safely Explain how to maintain power tools properly 26. NCCER Electrical Level One book, Unit 12, 26112-11 Electrical Test Equipment Explain the operation of and describe the following pieces of teat equipment: Voltmeter Ohmmeter Clamp-on ammeter Multi-meter Megohmmeter Motor and phase rotation testers Select the appropriate meter for a given work environment based on category ratings Identify the safety hazards associated with various types of test equipment 27. NCCER Core Curriculum book, Unit 5, 00105-09 Introduction to Construction Drawings Recognize and identify basic construction drawing terms, components, and symbols Relate information on construction drawings to actual locations on the print Recognize different classifications of construction drawings Interrupt and use drawing dimensions 28. NCCER Electrical Level One book, Unit 10, Basic Electrical Construction Drawings 26110-11 Explain the basic layout of a set of construction drawings Describe the information included in the title block of a construction drawing Identify the types of lines used on construction drawings Using an architect s scale, state the actual dimensions of a given drawing component Interpret electrical drawings, including site plans, floor plans, and detailed drawings Interpret equipment schedules found on electrical drawings Describe the type of information included in electrical specifications To be determined when interviews are scheduled 29. NCCER Core Curriculum book, Unit 7, 00107-09 Basic Communication Skills Interpret information and instructions presented in both verbal and written form Communicate effectively in on-the-job situations using verbal and written skills Communicate effectively on the job using electronic communication devices 30. NCCER Core Curriculum book, Unit 8, 00108-09 Basic Employability Skills Explain your role as an employee in the construction industry Demonstrate critical thinking skills and the ability to solve problems using those skills Demonstrate knowledge of computer systems and explain common uses for computers in the construction industry Define effective relationship skills Recognize workplace issues such as sexual harassment, stress, and substance abuse. 8
UPON COMPLETION OF THIS COURSE STUDENTS WILL HAVE HAD EXPERIENCE IN OR DEVELOPED THE FOLLOWING SKILLS: 1) Identify Electrical Hazards in and around the home 2) Recognize and Identify Basic Hand Tools and their proper use 3) Use hand tools properly 4) Identify power tools commonly used in the construction trades 5) Use power tools safely 6) Identify the methods of hand bending conduit 7) Identify the methods used to install conduit 8) Use math formulas to determine conduit bends 9) Make 90 degree bends, back to back bends, offsets, kicks, and saddle bends 10) Cut, ream, and thread conduit 11) Identify and explain the use of different types of fasteners and demonstrate their correct application 12) Explain the basic characteristics of a series, parallel, and series-parallel circuits; 13) Calculate using Kirchhoff s current law, the voltage drop in series, parallel, and series-parallel circuits 14) Calculate using Kirchhoff s current law, the total current in series, parallel, and series-parallel circuits 15) Explain the operation of various pieces of test equipment 16) Describe various types of raceways 17) Identify various methods used to install raceways 18) Explain the various sizes and gages of wire in accordance with American Wire Gauge standards 19) Identify insulation and jacket types according to conditions and applications 20) Describe voltage ratings of conductors and cables 21) Use the tables in the NEC to determine the ampacity of a conductor 22) Describe the different materials from which conductors are made 23) Describe color coding 24) Explain the basic layout of a blueprint 25) Identify common symbols used on blueprints 26) Understand the use of architect s and engineer s scales 27) Identify and state the functions and ratings of various switches 28) Identify and define ground fault circuit interrupters 29) Explain the box mounting requirements in the NEC 30) Describe how to determine electric service requirements for dwellings 31) Explain the grounding requirements of a residential electrical service 32) Explain the role of the NEC in residential wiring 33) Explain how wiring devices are selected and installed 34) Add, subtract, multiply, and divide whole numbers, with and without a calculator 35) Add, subtract, multiply, and divide fractions 36) Add, subtract, multiply, and divide decimals, with and without a calculator 37) Convert decimals to percentages and percentages to decimals 38) Convert fractions to decimals and decimals to fractions 39) Write a resume 9
GRADING PROCESS INFORMATION: 1) Grading Scale: A = 100% to 90% - Outstanding level of achievement B = 89% to 80% - High level of achievement C = 79% to 70% - Satisfactory level of achievement D = 69% to 60% - Low level of achievement E = 59% to 50% - Failure 0 = If student does not attempt the work 2) Category Weights: Electricity Grade (3 elective credits) 55% - Summative Assessments Quizzes (approx. six per quarter) 5% Projects (approx. Six per quarter) 30% Unit Test 30% 20% - Formative Assessments Class Work (daily, includes opening activities) 10% Home Work (approx. one per week) 5% Notebooks (twice a quarter) 5% 10% - Quarterly Exam 15% - Work Habits (see Work Habits Form) Technical Math Grade (1 math credit) 50% - Summative Assessments Quizzes (1 or 2 per quarter) 40% Project Math (based on number of projects completed) 20% 40% - Formative Assessments Class Work (daily) 40% 10% - Quarterly Exam 3) Due Dates / Late Work: All assignments will have a due date. Assignments submitted after the due date will have the grade reduced on a sliding scale basis. Students will lose 10% of grade daily. The last day for late work to be submitted shall be the fifth school day from the original due date. 4) Re-Teach and Re-Assess: Students shall have one additional opportunity to improve their score on a Summative assessment only. To qualify, students must have completed and submitted the original assessment by the original due date and must have participated in the teacher-facilitated re-teaching (either before, during, or after school) within five school days following the return of the original graded assessment. Within ten school days of receiving the returned graded assessment, students must complete and submit the new assessment. The higher grade shall be the grade of record. 10
5) Minimum Grades: A minimum of 50% will be assigned to assignments or assessments for which the student made a good faith effort, as determined by the instructor, to meet the basic requirements. If a student does no work on assignment or assessment, the instructor will assign a grade of zero. 6) Group Work Grades: On occasion, students will be asked to work in small groups on a variety of assignments. In those cases, each student will be individually assessed and assigned a grade that reflects their own level of success in meeting the outcomes for that particular assignment. 7) Academic Integrity: A student who exhibits academic dishonesty, as determined by the instructor and administrator will receive a zero on the particular assessment/assignment in question. Violations of the Academic Integrity Policy and Regulation may result in disciplinary action. Consequences for violations may vary according to the severity of the violation and shall follow the progressive interventions and discipline as outlined in the Student Code of Conduct ASSESSMENT INFORMATION: There will be a minimum of nine separate assessments, an average of one grade per week, for course content, skills, and mastery in addition to homework and classwork. PARENT NOTIFICATION INFORMATION: 1) Types of Parent Notification: a. Phone calls (I can be reached at 410-969-3100) b. E-mail (my e-mail address is jrhea@aacps.org) c. Parent/Teacher conference d. Grades can be accessed online through Parent Connect 2) To allow for timely, potentially corrective action, prompt communication with a parent/guardian will occur if: a. A student is in danger of failing or b. A student is in danger of dropping the equivalent of two or more letter grades at any point during the marking period. 11
SAFETY Safety in the electricity classroom and shop areas is paramount, with that in mind the following safety rules have been established in order to protect your student and the other students around them. CLASS /SHOP RULES: 1) Come prepared for class 2) Be in your seat when the bell rings 3) Listen when the instructor or another student is talking and expect the same in return 4) Raise your hand to be recognized 5) Respect your neighbor s property 6) No eating or drinking in the classroom/shop 7) Personal Safety Equipment shall be worn at all times in the shop area. 8) No throwing of anything 9) No foul/abusive language 10) No tampering, damaging, destroying, or ridiculing of any project 11) No cell phones/i-pods etc. Parent Signature: Date: Please print legibly: Contact Info (e-mail or phone): Alternate: Student signature: Date: Student printed name: 12