SECTION
2
General Rules

Authority for Rules
2-000
The inspection authority has adopted this Code and requires compliance with its rules.
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Special requirements
2-002
Special installation rules supplement the general Code requirements for unique conditions.
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Permit
2-004
Electrical work requires a permit before installation, alteration, repair, or extension begins.
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Application for inspection
2-006
Inspection applications must be submitted using the required forms when permits are issued.
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Fees
2-008
Permit and inspection fees must be paid when obtaining the permit.
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Posting of permit
2-010
The permit must remain clearly posted at the work site until inspections are complete.
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Notification of inspection
2-012
The inspection department must be notified before work is concealed so inspections can occur.
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Plans and specifications
2-014
Certain installations require submitted plans and approval before work starts.
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Current-permits
2-016
Electrical systems cannot be energized until authorization has been issued.
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Reconnection
2-018
Some reconnections do not require a new permit if no changes were made.
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Reinspection
2-020
Unsafe or altered installations may be reinspected and required to be corrected.
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Use of approved equipment
2-024
Electrical equipment must be approved and suitable for its intended use.
See Appendices A and B
Powers of rejection
2-026
The inspection authority may reject unsafe or unsuitable equipment at any time.
See Appendix B
Availability of work for inspection
2-028
Electrical work must remain accessible until inspection acceptance is completed.
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Deviation or postponement
2-030
Special permission is required before deviating from Code rules.
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Damage and interference
2-032
Electrical installations must not be damaged or improperly interfered with.
See Appendix B
Application of Code requirements
2-034
Equipment outside the scope of this Code cannot be used to meet Code requirements.
See Appendix B
Marking of equipment
2-100
Electrical equipment must be permanently marked with information needed for identification, ratings, approval, and safe operation.
See Appendix B
Warning and caution markings
2-102
Required warning labels must use the language required by the enforcing authority.
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Electrical equipment ratings
2-104
Installed equipment must have ratings suitable for the system voltage and available fault current.
See Appendix B
Rebuilt equipment
2-106
Rebuilt equipment must be properly identified and meet applicable safety standards.
See Appendix B
Substitution
2-108
Appropriately rated substitute equipment may be used where permitted.
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Circuit voltage-to-ground Dwelling units
2-110
Dwelling-unit branch circuits are generally limited to specified voltage-to-ground levels.
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Quality of work
2-112
Electrical installations must be completed using acceptable workmanship practices.
See Appendix B
Material for anchoring to masonry and concrete
2-114
Wood and similar materials cannot be used as anchors in masonry or concrete.
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Corrosion protection for materials used in wiring
2-116
Wiring materials must be protected against corrosion and galvanic reactions.
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Soldering fluxes
2-118
Fluxes used on copper conductors must not be corrosive.
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AWG sizes of conductors
2-120
AWG references apply to copper conductor sizes unless otherwise specified.
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Installation of electrical equipment
2-122
Equipment must be installed with access for maintenance and visibility of nameplates.
See Appendix G
Installation of other than electrical equipment
2-124
Non-electrical equipment must not create hazardous conditions near electrical systems.
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Use of thermal insulation
2-126
Electrical wiring near insulation must be protected from overheating and damage.
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Fire spread
2-128
Electrical installations must minimize the spread of fire through building assemblies.
See Appendices B and G
Flame spread requirements for electrical wiring and cables
2-130
Wiring and cable systems must meet required flame-spread standards.
See Appendices B and G
Flame spread requirements for totally enclosed non-metallic raceways
2-132
Non-metallic raceways must comply with flame-spread requirements.
See Appendices B and G
Seismic restraint requirements for electrical equipment
2-134
Equipment requiring seismic restraint must comply with building-code requirements.
See Appendices B and G
Sunlight resistance requirements
2-136
Conductors and raceways exposed to sunlight must be sunlight-resistant or protected.
See Appendix B
Insulation integrity
2-138
Completed wiring systems must be free from unintended shorts and grounds.
See Appendix B
Use of Class A ground fault circuit interrupters
2-140
Class A GFCIs provide supplementary shock protection but do not replace grounding requirements.
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General
2-200
Electrical equipment must be installed and guarded to protect people, property, and the equipment itself.
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Guarding of bare live parts
2-202
Exposed energized parts must be guarded to prevent accidental contact.
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General requirements for maintenance and operation
2-300
Electrical equipment must be maintained in safe working condition.
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Maintenance in hazardous locations
2-302
Equipment in hazardous locations must comply with applicable hazardous-location requirements.
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Disconnection
2-304
Equipment should be disconnected before servicing and protected from accidental energization.
See Appendix B
Shock and arc flash protection
2-306
Certain equipment must be labeled to warn workers about shock and arc-flash hazards.
See Appendix B
Working space around electrical equipment
2-308
Adequate working space and safe access must be maintained around electrical equipment.
See Appendix B
Entrance to, and exit from, working space
2-310
Electrical rooms and workspaces must provide safe and unobstructed exits.
See Appendices B and G
Transformer working space
2-312
Transformers over specified ratings require minimum servicing clearances.
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Accessibility for maintenance
2-314
Workspaces around electrical equipment must remain clear and accessible.
See Appendix G
Receptacles required for maintenance of equipment
2-316
Maintenance receptacles must be installed near rooftop HVAC and similar equipment.
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Receptacles required for mobile industrial or commercial structures
2-318
Mobile industrial or commercial structures must include specified receptacle connections.
See Appendix B
Illumination of equipment
2-320
Adequate lighting must be provided for operating and maintaining electrical equipment.
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Flammable material near electrical equipment
2-322
Flammable materials must not be stored dangerously close to electrical equipment.
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Ventilation
2-324
Ventilation must prevent excessive heat buildup around electrical equipment.
See Appendix B
Drainage
2-326
Equipment drainage paths must remain unobstructed.
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Electrical equipment near flammable gas equipment
2-328
Required clearances must be maintained between electrical equipment and flammable gas equipment.
See Appendix B
Enclosures, boxes, type designations, and use
2-400
Enclosures and boxes must provide proper protection against contact and environmental conditions.
See Appendix B
Ingress protection
2-402
Enclosures may include IP ratings in addition to standard enclosure classifications.
See Appendix B
Marking of motor enclosures
2-404
Motor enclosures requiring environmental protection must be properly identified for their intended use.
See Appendix B
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This material is provided for general informational purposes only and does not replace the official Canadian Electrical Code, applicable legislation, regulations, manufacturer instructions, engineering requirements, or the judgment of a qualified professional.
While reasonable efforts are made to maintain accuracy and relevance, users are responsible for verifying all requirements against the current edition of the Canadian Electrical Code, local authority requirements, and applicable standards before performing electrical work.
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