Industrial Control and Systems: Enclosures
standard by National Electrical Manufacturers Association, 01/01/1993

Programmable Controllers (PLC), Part 1: General Information
standard by National Electrical Manufacturers Association, 08/12/2015

Programmable Controllers, Part 4: User Guidelines
standard by National Electrical Manufacturers Association, 08/14/2015

Adjustable-Speed Electrical Power Drive Systems, Part 1: General Requirements – Rating Specifications for Low-Voltage Adjustable-Speed DC Power Drive Systems
standard by National Electrical Manufacturers Association, 04/23/2002

Adjustable-Speed Electrical Power Drive Systems, Part 2: General Requirements – Rating Specifications for Low-Voltage Adjustable Frequency AC Power Drive Systems
standard by National Electrical Manufacturers Association, 03/01/2005

Adjustable-Speed Electrical Power Drive Systems, Part 4: General Requirements – Rating Specifications for AC Power Drive Systems Above 1000 V AC and Not Exceeding 35 kV
standard by National Electrical Manufacturers Association, 01/01/2004

Adjustable Speed Electrical Power Drive Systems, Part 6: Guide for Determination of Types of Load Duty and Corresponding Current Ratings
standard by National Electrical Manufacturers Association, 2015

Adjustable-Speed Drives
standard by National Electrical Manufacturers Association,

Adjustable-Speed Drives
standard by National Electrical Manufacturers Association, 2014