Standard 1004-1, Edition 2
UL 1004-1

Standard for Rotating Electrical Machines - General Requirements

UL Bulletin Edition 2 Published Date: May 16, 2014 Last Revision: November 05, 2020


Summary of Topics m1004-1_2_20140516_sum.html

Subject 1004-1 (1004-2, 1004-3, 1004-4, 1004-5, 1004-6, 1004-7, 1004-8, 2788)

Bulletin Dated: May 16, 2014


The following topics were discussed at the meeting of the Standards Technical Panel for Motors, STP 1004-1:

1. Remove the cheesecloth requirement from the locked-rotor temperature and endurance tests - UL 1004-2 and UL 1004-3

2. Remove requirement for abnormal switch requirements for electronically protected motors - UL 1004-7

3. Revised running heating test for direct drive fan air-over motors - UL 1004-1 and UL 1004-3

4. Revised temperature test method to include SF - UL 1004-1

5. Discussion of splice requirements - UL 1004-3

6. Discussion of temperature test stabilization requirement - UL 1004-1 and UL 1004-3

7. Discussion of making endurance test optional depending on end-use application - UL 1004-3

8. Revisions to direct-support material properties for universal motors - UL 1004-1

9. Discussion of expanded voltage limit beyond 7200V (probably 13.4kV or 13.8kV) - UL 1004-1

10. Reference to "Software Class" in Table 6.1 - UL 1004-7

11. Global Harmonization

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