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CMEQ electrical-code preparation

This course supports professionals preparing for the electrical-code component of the master electrician exam associated with CMEQ. Practise recognizing the situation, finding the applicable rule, checking its conditions and explaining the answer.

15 chapters3 months of access

Master Electrician Code Exam Preparation — CMEQ

Professionals preparing for an electrical-contractor pathway.

Course programme

Review the chapters, objectives and topics before purchasing.

Electrical fundamentals

Objectives

  • Identify the required quantity and its units before choosing a relationship.
  • Solve a simple resistive circuit and check voltage or current balance.
  • Calculate active power, energy and cost using supplied inputs and assumptions.
  • Explain how material, cross-section and temperature affect resistance.
  • Select a measurement function and recognize the necessary precautions.

Chapter sections

  • 1.1 — Electrical quantities and Ohm’s and Joule’s laws
  • 1.2 — Series and parallel resistors
  • 1.3 — Voltage effects on resistive power
  • 1.4 — Power factor and the power triangle
  • 1.5 — Single-phase and three-phase power and current
  • 1.6 — Synchronous speed and motor slip
  • 1.7 — Checking circuits with Kirchhoff’s laws
  • 1.8 — Resistance: material, length and cross-section
  • 1.9 — Temperature effects on resistance
  • 1.10 — Energy and cost
  • 1.11 — Using measuring instruments
  • 1.12 — Practice and justification
Navigating the Code

Objectives

  • Describe a situation using vocabulary useful for the index and definitions.
  • Find the rule, tables and notes for the required quantity.
  • Check scope, exceptions and Quebec amendments in the studied edition.
  • Distinguish a requirement from an explanation and practical method.
  • Justify an answer with the reference and decisive conditions.

Chapter sections

  • 2.1 — Code structure and reading references
  • 2.2 — Locating Québec amendments
  • 2.3 — Applying section precedence
  • 2.4 — Comparing requirements by equipment type
  • 2.5 — Definitions: services, feeders, branches and current ratings
  • 2.6 — Understanding requirements, permissions and exceptions
  • 2.7 — Finding a rule with a structured search
  • 2.8 — Entering tables with the correct data
  • 2.9 — Using appendices and cross-references
  • 2.10 — Preparing search tools for the examination
  • 2.11 — Practice and justification
Conductors and ampacity

Objectives

  • Verify that conductor type and installation method suit the use.
  • Choose base ampacity from material, installation and terminations.
  • Count current-carrying conductors and apply relevant grouping and ambient factors.
  • Distinguish ampacity, circuit rating and permitted continuous load.
  • Justify neutral sizing and the use or exclusion of particular provisions.

Chapter sections

  • 3.1 — Factors determining ampacity
  • 3.2 — Selecting the table for the installation
  • 3.3 — Small conductor sizes: Québec-amended values
  • 3.4 — Selecting the insulation and termination temperature column
  • 3.5 — Count current-carrying conductors
  • 3.6 — Apply ambient-temperature and grouping factors
  • 3.7 — Determining continuous loading and circuit limits
  • 3.8 — Comparing conductor-sizing checks
  • 3.9 — Sizing the neutral conductor
  • 3.10 — Selecting conductor type and identification
  • 3.11 — Checking Table 39 conditions
  • 3.12 — Consolidate the method and justify a selection
  • 3.13 — Practice and justification
Overcurrent protection and voltage drop

Objectives

  • Distinguish faults and the roles of current rating, voltage rating and interrupting capacity.
  • Determine permitted protection from final ampacity and the applicable rule scope.
  • Check every condition of a reduced-size conductor tap.
  • Select voltage-drop current and limits, then apply D3 within its scope.
  • Justify a compliance conclusion limited to the checks actually performed.

Chapter sections

  • 4.1 — Distinguishing overload, short circuit and overcurrent
  • 4.2 — Checking interrupting ratings and series combinations
  • 4.3 — Selecting a voltage rating compatible with the system
  • 4.4 — Selecting protection from conductor ampacity
  • 4.5 — Checking conductor tap requirements
  • 4.6 — Selecting fuses and understanding markings
  • 4.7 — Selecting and connecting circuit breakers
  • 4.8 — Protecting installations against ground faults
  • 4.9 — Determining voltage-drop limits and calculation current
  • 4.10 — Calculating voltage drop using Table D3
  • 4.11 — Combine checks and justify a decision
  • 4.12 — Practice and justification
Wiring methods, low-voltage circuits and enclosures

Objectives

  • Describe environment, circuit and constraints before selecting a product.
  • Check cable use conditions and installation rules for its family.
  • Check mechanical protection, support, expansion, cover and accessibility separately.
  • Distinguish source and wiring requirements for Class 1 or Class 2 circuits.
  • Select an enclosure for the exposure and justify remaining checks.

Chapter sections

  • 5.1 — Organizing the wiring check
  • 5.2 — Selecting a cable or raceway
  • 5.3 — Supporting, protecting and terminating cables
  • 5.4 — Installing metal raceways and cable trays
  • 5.5 — Checking PVC: temperature, support and expansion
  • 5.6 — Determining cover for an underground installation
  • 5.7 — Providing boxes, joints and access
  • 5.8 — Recognizing a Class 1 circuit
  • 5.9 — Checking a Class 2 source
  • 5.10 — Separating circuits and checking burial
  • 5.11 — Selecting an enclosure for its environment
  • 5.12 — Protecting wiring below metal roof decking
  • 5.13 — Applying the method to a complete installation
  • 5.14 — Practice and justification
Conduit, box and pull-box fill

Objectives

  • Distinguish raceway fill, box volume and pulling dimensions.
  • Identify dimensions matching the actual conductor construction.
  • Calculate box allowances and usable volume.
  • Check pulling distances and justify the selected arrangement.

Chapter sections

  • 6.1 — Organizing the checks
  • 6.2 — Calculating raceway fill
  • 6.3 — Counting box contents
  • 6.4 — Selecting usable volume
  • 6.5 — Allowing for a deep device
  • 6.6 — Sizing a straight pull
  • 6.7 — Sizing an angle pull
  • 6.8 — Checking a U-pull
  • 6.9 — Checking depth and bends
  • 6.10 — Finishing with mounting and access
  • 6.11 — Practice and justification
Load calculations

Objectives

  • Classify building use and the supply level under assessment.
  • Select permitted factors after checking their conditions.
  • Calculate and interpret demand with units.
  • Distinguish demand, individual minimum, charging and available capacity.
  • Justify a calculation sheet using the studied edition.

Chapter sections

  • 7.1 — Preparing a checkable calculation
  • 7.2 — Calculating single-dwelling area and basic load
  • 7.3 — Classifying ranges and other appliances
  • 7.4 — Handling heating, cooling and simultaneous operation
  • 7.5 — Adding EV charging under Quebec conditions
  • 7.6 — Calculating an individual apartment supply
  • 7.7 — Applying dwelling diversity
  • 7.8 — Calculating schools, health-care facilities and hotels
  • 7.9 — Reading the correct column for other buildings
  • 7.10 — Adding load and checking capacity
  • 7.11 — Practice and justification
Service entrance, panels and metering

Objectives

  • Identify service, feeder, branch circuit and metering function.
  • Check location, route, clearances and panel reserve.
  • Coordinate load, conductors, protection and equipment ratings.
  • Identify inputs and exceptions governing metering.
  • Justify a decision and identify an incomplete design.

Chapter sections

  • 8.1 — Identifying circuit boundaries
  • 8.2 — Checking the number of services
  • 8.3 — Selecting the service-box location
  • 8.4 — Checking the route before sizing
  • 8.5 — Coordinating load, conductors, protection and panel
  • 8.6 — Installing a dwelling panel
  • 8.7 — Providing spaces and reserve
  • 8.8 — Maintaining access, lighting and identification
  • 8.9 — Checking neutral and bonding
  • 8.10 — Checking overhead clearances and spans
  • 8.11 — Justifying reduced conductor sizes
  • 8.12 — Preparing metering and the final check
  • 8.13 — Practice and justification
Grounding and bonding

Objectives

  • Distinguish neutral, grounding and bonding conductors.
  • Trace fault return and justify connection placement.
  • Select sizing references from function and input data.
  • Check mechanical protection, connections and continuity.
  • Recognize special cases without generalizing their permissions.

Chapter sections

  • 9.1 — Understand current paths
  • 9.2 — Locate neutral-to-bond connections
  • 9.3 — Maintain continuity through boxes and devices
  • 9.4 — Select and install electrodes
  • 9.5 — Size system grounding conductors
  • 9.6 — Size bonding conductors
  • 9.7 — Protect conductors and connections
  • 9.8 — Recognize special cases
  • 9.9 — Practice and justification
Outlets, branch circuits and lighting

Objectives

  • Determine required outlets and arrange circuits for the premises.
  • Distinguish ground-fault, arc-fault and tamper-resistance requirements without generalizing exceptions.
  • Check outlet count and total current separately.
  • Select Rule30-104(a),(b),(c) or(d) from input voltage and equipment characteristics.
  • Check support, connections, IC/NON-IC markings and clearances.

Chapter sections

  • 10.1 — Identify outlets and location constraints
  • 10.2 — Arrange kitchen receptacles and circuits
  • 10.3 — Distinguish protection requirements and exceptions
  • 10.4 — Apply arc-fault protection
  • 10.5 — Recognize luminaires and their ratings
  • 10.6 — Check outlet count and circuit loading
  • 10.7 — Select lighting protection under Rule30-104
  • 10.8 — Check support, connections and insulation
  • 10.9 — Handle special locations and equipment
  • 10.10 — Practice and justification
Heating, ventilation and air conditioning (HVAC)

Objectives

  • Identify the relevant electrical data for resistance heat, fuel-fired equipment and a motor-compressor.
  • Calculate load, select protection and then check heating branch conductors under the applicable conditions.
  • Justify applying or rejecting a feeder demand factor.
  • Check controls, disconnection, environment and special limits before reaching a conclusion.

Chapter sections

  • 11.1 — Identify the load and installation conditions
  • 11.2 — Size a resistance-heating branch circuit
  • 11.3 — Calculate feeder demand
  • 11.4 — Control and disconnect heating
  • 11.5 — Supply fuel-fired equipment and HVAC
  • 11.6 — Handle heating cables and special applications
  • 11.7 — Practice and justification
Motors

Objectives

  • Distinguish rated, measured, tabulated guide and locked-rotor currents.
  • Calculate minimum conductor ampacity for one motor or a group, then check installation conditions.
  • Select branch protection and overload protection separately, with their conditions and marking limits.
  • Justify controls, disconnection and environmental suitability, including a motor-compressor.

Chapter sections

  • 12.1 — Read the data and separate functions
  • 12.2 — Calculate conductor requirements
  • 12.3 — Select branch-circuit protection
  • 12.4 — Check groups and feeders
  • 12.5 — Select overload protection and prevent restart hazards
  • 12.6 — Distinguish control from disconnection
  • 12.7 — Check ambient temperature and cooling
  • 12.8 — Size a motor-compressor circuit
  • 12.9 — Handle multiple windings and complete the checks
  • 12.10 — Practice and justification
Transformers

Objectives

  • Distinguish kVA from kW, primary from secondary, and line voltage from phase voltage.
  • Calculate rated single-phase and balanced three-phase currents with suitable units.
  • Apply conductor and protection methods matching the transformer type.
  • Check continuous loading, location, disconnection and grounding separately.

Chapter sections

  • 13.1 — Read the nameplate and understand the transformer
  • 13.2 — Calculate primary and secondary currents
  • 13.3 — Size the conductors
  • 13.4 — Protect a dry-type transformer rated 750 V or less
  • 13.5 — Adapt protection to transformer type and voltage
  • 13.6 — Choose location and disconnecting means
  • 13.7 — Check continuous loading and grounding
  • 13.8 — Practice and justification
Special locations

Objectives

  • Distinguish explosive-atmosphere classification, moisture/corrosion exposure and enclosure ingress protection.
  • Locate the special rule, conditions and limits from a described professional situation.
  • Check equipment suitability, wiring, protection, distances and bonding together for the case.
  • Justify a conclusion limited to the check actually performed and identify outstanding data.

Chapter sections

  • 14.1 — Identify a gas atmosphere and select equipment
  • 14.2 — Distinguish settling dust from an explosive atmosphere
  • 14.3 — Check conduit sealing in Zone 2
  • 14.4 — Select protection against moisture and corrosion
  • 14.5 — Assess combined hazards at a sewage facility
  • 14.6 — Check high-voltage installation protection
  • 14.7 — Locate receptacles and GFCIs near a pool
  • 14.8 — Provide pool bonding and select wiring
  • 14.9 — Distinguish hydromassage bathtubs and hot tubs
  • 14.10 — Calculate demand and equip camping sites
  • 14.11 — Practice and justification
Connections, tightening and final verification

Objectives

  • Find an applicable torque specification and convert units correctly without inventing a setting.
  • Check conductor compatibility, preparation and integrity before tightening.
  • Distinguish current rating, operating voltage, individual interrupting rating and an approved assembly rating.
  • Document an observation, reference, result and action without exceeding the evidence.

Chapter sections

  • 15.1 — Understand torque and convert units
  • 15.2 — Choose the applicable tightening specification
  • 15.3 — Read recommendations with all their conditions
  • 15.4 — Prepare a connection compatible with its conductor
  • 15.5 — Distinguish initial tightening from later checking
  • 15.6 — Read voltage, current and interrupting ratings
  • 15.7 — Check a series-rated protective assembly
  • 15.8 — Record useful findings and address defects
  • 15.9 — Practice and justification
Edition studied

Code électrique du Québec 2018 / C22.10-18 / C22.1-15

Check the edition required for your exam or project and the requirements of the authority having jurisdiction.

Private, independent training

This private training is developed and offered by Rasvolt Énergie Inc. It is intended to improve your preparation and does not guarantee that you will pass an examination. It is not official training or an official examination. Rasvolt Énergie Inc. is not affiliated with any government, CMEQ, CCQ, the Régie du bâtiment du Québec, the Ordre des ingénieurs du Québec, or any qualification or examination body. Names and abbreviations are used only to identify the topics and examinations being prepared for.