Common Motor Requirements for Electrical Equipment

Read revision 3

Revision 3 · Oct 17, 2026 +1 −1

P1 batch 4: hazardous-location installations, document confidentiality and AI use, generator paralleling switchgear, interrupter switchgear, medium-voltage drives and metal-enclosed bus now owned; bare-text mentions re-pointed to the new standards
Showing changes from Rev 2 to Rev 3 in Common Motor Requirements for Electrical Equipment.
---
title: Common Motor Requirements for Electrical Equipment
…31 unchanged lines
- Starting and control devices (contactors, overload relays, manual motor protectors) - see [[sync/combination-motor-starters]].
- Motor control center assemblies, bus, and plug-in units - see [[sync/motor-control-centers]].
−- Variable frequency drive electronics, harmonic mitigation, bypass, and drive acceptance testing - see [[sync/low-voltage-variable-frequency-drives]] and [[sync/hvac-variable-frequency-drives]].
+- Variable frequency drive electronics, harmonic mitigation, bypass, and drive acceptance testing - see [[sync/low-voltage-variable-frequency-drives]] and [[sync/hvac-variable-frequency-drives]]; drives for motors rated above 600 V, [[sync/medium-voltage-drives]].
- Medium-voltage motors rated above 600 V, which fall outside the low-voltage applicability of NEMA MG 1 Part 12.
- Motors certified by the equipment manufacturer as part of a factory-tested listed package (chillers, rooftop units, packaged pumps), which are governed by the respective equipment specification.
…436 unchanged lines
- Manufacturer's recommended spares list
```

View current revision