Electrician: Construction and Maintenance - Apprenticeship

The student will be able to apply the requirements of the Canadian Electrical Code - Part 1 (CEC) to identify and interpret the general requirements of the CEC; identify and interpret the CEC requirements for conductor ampacity including free air, above and underground installations, grounding and bonding, wiring methods, class 1 and 2 circuits, receptacles and lighting in residential occupancies, single-dwelling and dwelling units, pools, tubs and spas, and temporary installations; and be able to calculate the service requirements for a residential occupancy, single-dwelling and row housing.

The student will be able to able to identify and interpret the alphanumerical lines; use the metric and imperial scales and be able to convert between them; obtain information from architectural, structural, and mechanical drawings, specifications, building code, and CEC to complete an electrical installation for a single-dwelling; draw and label a panel schematic for a single-dwelling; complete a material take-off for a single-dwelling.

The student will be able to able to identify and interpret the alpha numerical lines; use the metric and imperial scales and be able to convert between them; obtain information from architectural, structural and mechanical drawings, specifications, building code and CEC to complete an electrical installation for a single-dwelling; draw and label a panel schematic for a single-dwelling; and complete a material take-off for a single-dwelling.

The student will be able to able to demonstrate the operation of common hand and power tools; install common switching devices, outlets and enclosures; correctly terminate conductors; demonstrate the installation procedures for non-metallic sheathed cable, armoured cable, mineral insulated cable, rigid conduits, flexible conduits, liquid-tight conduit, electrical metallic tubing, and electrical non-metallic tubing, including supports and tools required; install a 100 amp. residential consumer’s service and associated branch circuits; layout a service mast installation; install door, signal and extra-low voltage lighting devices; identify and terminate copper communication and hard-wired cables.

The student will be able to able to explain common terms used in instrumentation systems; work with the SI and Imperial system of measurement for pressure and temperature; convert between the four temperature scales; describe the operation, applications and limitations of thermocouples, thermistors, and RTD’s; install, connect and test thermocouples, thermistors and RTD’s; identify deformation elements of pressure measuring equipment; determine the accuracy of pressure measuring equipment; explain relationships between gauge and absolute pressure, and vacuum; explain the operation, construction and applications of typical industrial pressure sensors; identify ISA instrumentation symbols and draw basic process (P) and Instrumentation (I) diagrams for pressure and temperature devices; explain the operation of light and sound meters.

The student will be able to able to identify schematic symbols for North American and European basic logic gates; describe the operation of basic logic gates; use basic logic gates to create digital logic circuits; state Boolean equations for simple logic gates; design and test combination logic circuits; describe the voltage requirements for TTL and CMOS logic circuits; demonstrate the use of R.S. and D type flip-flop; use a logic probe to troubleshoot a digital circuit; demonstrate procedures for soldering and de-soldering; state the standard resistor colour code; connect resistors in series, parallel and combination circuits; describe the properties of N and P type semiconductor materials; explain current, voltage and biasing requirements for silicon and germanium diodes and LED’s; demonstrate the operation of a bipolar diode; identify the symbols for and describe the operation and biasing for NPN and PNP Bipolar transistors; demonstrate how a transistor can be used as a switch; demonstrate the common applications for an opto-coupler.

The student will be able to apply the requirements of the Canadian Electrical Code - Part 1 (CEC) to identify and interpret the general requirements of the CEC; identify and interpret the CEC requirements for conductor ampacity including free air, above and underground installations, grounding and bonding, wiring methods, class 1 and 2 circuits, receptacles and lighting in residential occupancies, single-dwelling and dwelling units, pools, tubs and spas, and temporary installations; and be able to calculate the service requirements for residential occupancy, single-dwelling, and row housing.

Upon successful completion of Prints 2.02, the apprentice is able to: determine utility location and site features using site drawings; determine methods of construction using architectural and structural drawings; determine the electrical characteristics and layout of mechanical equipment and systems; lay out commercial distribution and service equipment and wiring; lay out branch circuit for lighting and equipment; prepare a material take off using drawings, specifications; prepare sketches to solve and document construction problems and solutions; prepare as built drawings; and develop basic single line, schematic, and wiring diagrams.

Upon successful completion of Theory 2.03, the apprentice is able to: describe magnetic flux and flux density; solve problems associated with magnetic energy; explain Ohm's Law as applied to magnetic circuits; describe factors which affect inductance and perform related calculations; apply Fleming's hand rules and Lenz's law; describe the types, construction, operation and characteristics of DC machines; describe a sine wave; calculate RMS, average, maximum, and instantaneous values; calculate frequency, electrical and mechanical degrees; calculate phasors, vectors and vector diagrams; describe the effects of alternating voltage and current in a resistive device; calculate inductive reactance, voltage, current, and power of an inductive circuit; calculate capacitive reactance, voltage, current, power and phase relationships of a capacitive circuit; calculate values for RL/RC/RLC series and parallel circuits; and calculate resonant circuits.

The student will be able to able to demonstrate the operation of common hand and power tools; install common switching devices, outlets and enclosures; correctly terminate conductors; demonstrate the installation procedures for non-metallic sheathed cable, armoured cable, mineral insulated cable, rigid conduits, flexible conduits, liquid-tight conduit, electrical metallic tubing, and electrical non-metallic tubing, including supports and tools required; install a 100 amp. residential consumer’s service and associated branch circuits; layout a service mast installation; install door, signal and extra-low voltage lighting devices; identify and terminate copper communication and hard wired cables.

Upon successful completion of Instrumentation 2.05, the apprentice is able to: identify and describe the operation of various level and flow sensing instruments; draw basic process and instrument diagrams using standard ISA instrumentation symbols; explain the operation and applications of typical level and flow measurement devices and transmitters; demonstrate the hydrostatic pressure principle of liquid level measurement; predict with calculations the effect of liquids of different specific gravities on the system; demonstrate the use of the venturi and the orifice plate in flow measurement; and install, connect and test load cells in typical weight measurement applications.

Upon successful completion of Electronics 2.06, the apprentice will have demonstrated the ability to: use an oscilloscope to test circuits; explain the importance of isolation when using test equipment; describe and demonstrate half and full wave rectification; connect capacitors and inductors to filter a power supply output; demonstrate the use of a zener diode as a regulator; demonstrate the operation of an SCR; demonstrate the operation of a DIAC and TRIAC; demonstrate how a DIAC and RC network can be used to phase shift a TRIAC; describe the operation and applications of a pulse transformer; explain the operation of a field effect transistor (FET) and operational amp (Op Amp); calculate the expected gain of inverting and non inverting OP Amp circuits; and demonstrate the operation of an Op Amp used as a comparator and an amplifier.

In this course, you will gain the experience to interpret the ULC standard for the installation of a complete Fire Alarm System and connect, test, and troubleshoot an anon-addressable fire alarm system. You will learn the various types of input and output devices, as well as ancillary and supervisory circuitries. You will also be introduced to the basic operation of wet and dry sprinkler systems and other forms of suppression systems used in the industry. You will have the opportunity to connect, program, test, and troubleshoot a basic intrusion system.

This course expands your understanding of the Canadian Electrical Code by exploring trade-specific sections while utilizing and reinforcing your previously gained knowledge from your CEC. Level 2 studies. Topics covered will include the installation of two or more continuous and non-continuous duty service motors, hermetic refrigerant motor-compressor, power and distribution transformers, different varieties of welders and capacitors on a feeder, branch circuit and motor branch circuit, high-voltage installations, and overcurrent device selection based on load, interrupting ratings and coordination.

Upon successful completion of this course the apprentice is able to: obtain installation details for a construction project from a complete set of drawings and specifications; develop the complex single line, schematics and wiring diagrams; layout single- and three-phase systems for feeder and branch circuits from utility supply to utilization points; calculate pulling stresses on a conductor/cable; layout the grounding and bonding requirements for high-voltage indoor and outdoor substations and vaults; identify precautions for installing stress cones; describe the requirements for terminating shielded and concentric neutral high-voltage cables, and describe the testing methods and safety requirements for testing high voltage cables.

Upon successful completion of this course the apprentice is able to: list the advantages of three-phase circuits over single-phase circuits; state the advantages and disadvantages of three-phase Wye and Delta systems; calculate voltage, current, power and power factor for three-phase wye and delta systems , three-phase series and parallel RLC circuits; connect wattmeters, power-factor meters and phase-angle meters in a three-phase system; list different types of transformers and their applications and associated losses; explain the principles of three-phase open delta connections; describe the theory of operation and the synchronizing of alternators; illustrate by calculation the principles for single- and three-phase power conversion; describe the construction, operation and troubleshooting procedures for single- and three-phase AC induction motors;identify connections for multiple voltages and speeds for AC motors; describe the construction, operation and troubleshooting procedures for AC wound rotor motors; describe the construction, operation, power factor correction and troubleshooting procedures for three-phase synchronous motors; state the types of insulation classifications and applications using AC motors; and describe motor specifications and procedures for adjustments and lubrication.

Upon successful completion of ELEC 304 - Installation Methods, the apprentice is able to: test transformers to determine polarity, impedance, winding ratio and insulation resistance; connect three-phase transformers in wye and delta configurations; connect three-phase RLC loads to transformers in balanced and unbalanced configurations; connect single- and three-phase autotransformers for reduced voltage motor starting; identify the parts and connections for a three-phase wound rotor motor; describe the effects of differing resistance in the rotor circuit of a wound rotor motor under varying loads; connect a two-speed control circuit for a two-speed squirrel-cage motor; state the functions and applications of a Programmable Logic Controller (PLC); determine language and addressing requirements of a PLC; demonstrate the programming of common relay instructions, timers, counters, mathematic functions, and word comparisons on a PLC; identify methods and hard wiring of PLC's to equipment; demonstrate methods of testing PLC inputs and outputs; and design programs to operate machines in a required manner using many of the internal functions of a PLC.

Upon successful completion of ELEC 305 - Instrumentation, the apprentice is able to: describe the use and list the requirements for instrumentation air supplies;explain terminology of instrumentation systems; describe the operation and applications of proportional 3-15 psi pneumatic instrumentation systems; connect and adjust pneumatic control valves to current/pressure (I/P) and pressure/current(P/I) devices; calibrate typical pneumatic valves; explain the principles of ON/OFF control; identify the four basic elements of a control system; explain the two general categories of automatic control and shielded cable in instrumentation systems; demonstrate shield grounding techniques; connect, program and test microprocessor-based ultrasonic measuring transmitters; explain the operation and application of position measurement devices; install, connect and test resolver and shaft encoders; explain the principles of Proportional Integrated Derivative (PID)control; explain the advantages and limitations of the common methods of communicating instrumentation information; use light and sound intensity meters; and revise and explain control loops on instrumentation drawings.

This course will provide students with an understanding of the operation of AC and DC variable speed drives, as well as their installation and programming. Students will demonstrate how to install a variable speed drive system, program and tune it. Topics covered will include the examination of the electronic circuits used to construct AC and DC variable speed drives, feedback circuits and the examination of programmable drive parameters and how they affect drive operation.