Browse & Buy UL Standards
Standard 1004-1, Edition 2

Rotating Electrical Machines - General Requirements

UL Red Line
Standard 1004-1, Edition 2 Edition Date: March 08, 2017
Summary of Topics s1004-1_2_sum.html

Summary of Topics

This revision of ANSI/UL 1004-1 includes the following changes in requirements:

Addition of an exception for non-metallic functional parts and revised definition

Addition of requirements to address separation of circuits

Back to Standard 1004-1, Edition 2

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign


Additional information required

To serve you better, please update your account details.