Assemblers, fabricators and inspectors, industrial electrical motors and transformers (NOC 9525)

Occupation targeted by the Workplace Apprenticeship Program

Please note that detailed information for each of the occupations under the Workplace Apprenticeship Program is only available in French.

Job titles

  • alternating current (AC) and direct current (DC) motors fitter-assembler
  • alternator tester
  • armature assembler - industrial electrical equipment
  • View all job titles

Nature of work

This unit group includes workers who assemble, fabricate, fit, wire and inspect heavy-duty industrial electrical equipment. They are employed by manufacturers of industrial electric motors, transformers, control equipment, railway locomotives, transit vehicles and other heavy electrical equipment.

Fields of interest

  • Making or building things, constructing, doing repairs, and performing installations
  • Working with your hands

Main duties

  • Assemblers in this unit group perform some or all of the following duties:
  • - Assemble and fit metal and other prefabricated parts to close tolerances according to blueprints to build heavy-duty electric motors or transformers
  • - Assemble stators or armatures for heavy-duty electric motors; compress steel laminations to build transformer cores; assemble windings into core using overhead cranes and make electrical connections using crimping, brazing and soldering equipment
  • - Assemble and fit electrical motor or transformer auxiliary equipment such as bushings, tap changes, conduit boxes, heating devices, protective equipment and cooling equipment
  • - Set up and adjust production machinery and equipment, such as coil winding machines, for the manufacture of heavy-duty electrical equipment
  • - May perform basic tests on electric motors.
  • Electrical fitters and wirers perform some or all of the following duties:
  • - Interpret engineering drawings, electrical schematics and blueprints
  • - Fit motor starters, contactors, capacitors, circuit breakers, voltage regulators, printed circuit boards or other electrical control devices into switchboards and panelboards to produce automated processing control equipment, electrical distribution panels, or other industrial electrical control equipment
  • - Wire electrical connections for switchboards and panelboards
  • - Assemble panelboard and switchboard cabinets and install bus bars used to carry heavy electrical current
  • - May operate metal fabricating equipment to fabricate or modify bus bars.
  • Inspectors in this unit group perform some or all of the following duties:
  • - Monitor production and troubleshoot production problems
  • - Check final assembly of electric motors, transformers or control equipment for adherence to quality control standards
  • - Collect, record and summarize inspection results.

Main characteristics of the occupation

Employment requirements

  • * Completion of secondary school is usually required.
  • * College courses in electricity or electro-technology may be required.
  • * Several years of on-the-job training are usually provided.
  • * Set-up persons, inspectors and leadhands in this unit group may require experience as an assembler, fitter or wirer in the same company.

Skill type

  • Occupations in manufacturing and utilities

Skill level

  • Intermediate

More information

  • * Progression to supervisory positions is possible with experience.