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Construction and Maintenance Electrician
Electrify your career outlook!
Did you know that electricians have skills that are highly respected right now? With our convenient home study course, you can learn these skills! Our comprehensive lessons focus on teaching you how electrical power systems work, as well as installation techniques, circuitry, measuring current, wiring, safety, and repair.
Lesson by lesson, project by project, we make the world of electricity come alive before your eyes. Diagrams, photographs, tables, and fascinating hands-on activities help you learn essential, fundamental power concepts, and then proceeding to specific wiring techniques.
What you will learn lesson by lesson.
Lesson 1: ELECTRICAL ENERGY THEORY. Types and sources of electric current; circuits; loads; electromagnetic induction; generators; alternators; power transmission; motors; measuring electricity and energy; electrical codes; safety standards; resistance; converting fractions to decimals and percentages; formulas; basic trigonometry: circles, rectangles, squares, and calculating circumference and perimeter.
Lesson 2: CIRCUITS, SAFETY AND TOOLS. Wire sizes; conductor markings; insulation; protective devices; controllers; striking, cutting, sawing, fastening, drilling, soldering and measuring; cutting tools; temporary wiring; shock prevention; grounding; ground fault circuit interrupters; bonding; troubleshooting tools; diagnosing problems; overloaded neutrals and unbalanced currents; fuses; breakers; understanding other problems.
Lesson 3: WIRING SYSTEMS, BOXES AND CONDUCTORS. Raceways; conduit fill; box construction and location; knockouts; layouts; box gangs; box mounting, covers and accessories; non-metallic boxes and cable; fittings; fill allotment; roughing-in; installing conduit runs; boring; notching; cutting and bending conduit; installing flexible metal conduit; making conduit connections.
Lesson 4: DEVICE WIRING AND BRANCH CIRCUITS. Equipment acceptability; wiring methods and materials; attaching conductors to device terminals; splicing; wiring and mounting fixtures; branch circuit design; determining proper electrical loads; lighting fixture installation rules; balancing circuit loads.
Lesson 5: READING BLUEPRINTS; SERVICE ENTRANCE. Standard symbols; writing circuits; outdoor wiring procedures; fluorescent lighting; pole transformer; service entrance components and location; power company wires; sizing service entrance conductors; service drop mast and insulator; grounding; clearances; supplies and fittings; overcurrent protection; multi-phase systems.
Lesson 6: APPLIANCE, LIGHT COMMERCIAL AND MOBILE HOME WIRING. Heater circuits; air conditioning units; garbage disposals; dishwashers; refrigerators; freezers; cook-tops; ovens; electric motors; small multi-family dwellings; building categories and service schemes; mobile home devices and outlets; hooking up the distribution panel.
Lesson 7: LOW-VOLTAGE CIRCUITS; REMODELING PROCEDURES. Installing remote-control systems; types of low-voltage circuits, cables and devices; wiring advantages and considerations; low-voltage code rules; safety considerations; special tools and materials for remodeling jobs; box installation; installing surface wiring.
Lesson 8: ADVANCED BLUEPRINTS; WIRING METHODS; BOXES AND CONDUITS. Types of electrical drawings; symbols; building codes; the Canadina Electrical Code; certification labs; commercial installations; calculating wireway sizes to meet code requirements; hardware; box types; grounding, mounting and supporting boxes to meet code; box fill; computing box sizes for straight and angular pulls.
Lesson 9: ADVANCED CONDUCTORS; OVERCURRENT PROTECTION. The types and functions of conductors; conductor ampacity rating; voltage drop; sizing conductors; adjusting conductor ampacity based on ambient temperature and number of conductors; sizing electrical conduits based on permissible percentage fill of conduit; electrical protective devices and fuses; recognizing overloads and short circuits; circuit breakers.
Lesson 10: ADVANCED BRANCH CIRCUITS; FEEDERS; SERVICE; DISTRIBUTION. Functions, types and terminology of feeders and branch circuits; figuring loads for lighting and receptacles; sizing branch circuits and feeders; branch circuit overcurrent protection; the two basic types of electrical service; service drop clearance; the arrangement of service drops and service laterals; supply voltages and their common applications.
Lesson 11: TRANSFORMERS, SPECIAL SYSTEMS AND PLCs. Purposes and uses of transformers; transformer construction and components; how transformers work; transformer types; sizing overcurrent protective devices for transformer primaries and secondaries; special calculations for transformers; solving practical problems.
Lesson 12: MOTORS; MOTOR CONTROLS. Motor components and types; calculating motor starting currents; code requirements for design of motor branch circuits, motor controls and motor control circuits; computing true power, apparent power and power factor; manual and magnetic starts; pilot device types; reading control circuit diagrams; reversing motor direction by switching connections; basic motor control center setup.
Lesson 13: EMERGENCY POWER; HAZARDOUS LOCATIONS; POOLS AND FOUNTAINS. Emergency power and standby power; automatic transfer switches; optional vs. legally required standby systems; identifying hazards; ignition and combustion principles; placing fixtures and receptacles around pools; types of underwater lighting fixtures; limitations and clearances for conductors passing over pools; codes for bonding and grounding equipment near a pool; spa and hot tub installation.
Lesson 14: MAINTENANCE; TROUBLESHOOTING; THE NATIONAL ELECTRICAL CODE; CAREERS. Troubleshooting tools and tests; overloaded neutrals; unbalanced currents; fuses; breakers; troubleshooting a power circuit, power supply, control circuit and control transformer; motor breakdown; preventive maintenance; owning a business; qualifications; advancement.
Electrician - Construction & Maintenance
Trades Qualification and Apprenticeship Act - Compulsory Trade NOC 7241
Description
* Read and interpret drawings, circuit diagrams and electrical code specifications to determine wiring layouts for new or existing installations; pull wire through conduits and through holes in walls and floors
* Install brackets and hangers to support electrical equipment
* Install, replace and repair lighting fixtures and electrical control and distribution equipment, such as switches, relays and circuit breaker panels
* Splice, join and connect wire to fixtures and components to form circuits
* Test continuity of circuits using test equipment to ensure compatibility and safety of system following installation, replacement or repair
* Troubleshoot and isolate faults in electrical and electronic systems and remove and replace faulty components
* Connect electrical power to sound and visual communication equipment, signalling devices and heating and cooling systems
* Conduct preventive maintenance programs and keep maintenance records
Personal Qualities
* You may be required to work in cramped areas or at considerable heights
* You may work outside at various times of the year in a range of environmental conditions
* You have the stamina to be on your feet for long periods of time
* You are extremely safety conscious
* You are in good physical condition and are able to carry materials
Career Opportunities
* Small, medium and large companies (including electrical contractors) employ electricians on a variety of projects in the residential, commercial and industrial sectors
* Some companies specialize in one of the following sectors: residential, commercial, industrial or institutional
* Some large industries employ maintenance electricians
* Many electricians have their own business
* Electrician (construction & maintenance) is a Red Seal Trade
Educational/Training Requirements
* The minimum entry for apprenticeship is Grade 10, however many employers and unions want at least Grade 12
* Completion of a 9,000 hour apprenticeship program is required
* Electrician (construction & maintenance) is a compulsory trade
Potential Earnings
* Apprentices progress initially from 40% to 80% of journeyperson's wages over time
* Journeyperson wages range from $12.00 to $31.02 an hour, excluding overtime
Prospects For Employment
* Employment is expected to grow about as fast as the average for all occupations through the year 2007
* Employment opportunities are linked to the economy and are somewhat cyclical
Additional Information
International Brotherhood of Electrical Workers:
Electrical Contractors Association of Ontario:
Apprenticeship Subject Pathways:
Job Futures:
Made With the Trades:
Ontario Construction Secretariat:
International Brotherhood of Electrical Workers - Oshawa Local
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