Glossary
Electric Motor Repairer Terms & Vocabulary
15 essential electric motor repairer terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.
Key electric motor repairer vocabulary
These 15 terms come up constantly in electric motor repairer training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.
- Armature
- Rotating coil in some motors.
- Balancing
- Reducing vibration.
- Bearing
- Supports the shaft.
- Brush
- Carbon contact.
- Commutator
- Switch on DC motors.
- Horsepower
- Motor power.
- Load test
- Running under load.
- Megger
- Insulation tester.
- Nameplate
- Motor specifications plate.
- Rotor
- Rotating part.
- Stator
- Stationary part of a motor.
- Surge test
- Tests winding insulation.
- Three-phase
- Industrial power.
- Varnish
- Insulating coating.
- Winding
- Coil of wire.
Practice these terms
Test yourself with the free Electric Motor Repairer practice test: it includes vocabulary questions built from this list. For a complete course, see Electric Motor Repairer training.
Browse terms from every career in our career glossary.