Standard 1004-8, Edition 2
UL 1004-8

Standard for Inverter Duty Motors

UL Bulletin Edition 2 Published Date: May 16, 2014 Last Revision: November 07, 2023

$203.00-$254.00

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

SUMMARY OF TOPICS

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

Back to Standard 1004-8, 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.

Featured Standards


Recently Published











Coming Soon

UL 48
Electrical Signs
Revision Pages

UL/ULC 25
Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages
×