Subject 621

Bulletin Dated: October 19, 2009

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Ice Cream Makers, UL 621, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Addition of requirements for switches and controls

2. For Preliminary Review Only: Revision of requirements for cordsets and power supply cords

3. For Preliminary Review Only: Clarification of requirements for lampholders

4. For Preliminary Review Only: Clarification of requirements for power transformers

5. For Preliminary Review Only: Clarification of requirements for leakage current

6. For Preliminary Review Only: Addition of requirements for alternate spacings

7. For Preliminary Review Only: Revisions to internal wiring requirements

8. For Preliminary Review Only: Addition of requirements for secondary circuits

9. For Preliminary Review Only: Addition of an exception to paragraph 23.1.2.2 that allows components to be evaluated to UL 60730-1A and UL 60730-2-9

10. For Preliminary Review Only: Revisions for requirements for motors and motor protection

11. For Preliminary Review Only: Addition of glossary terms, requirements for nonmetallic materials, fastener strength and burnout tests

12. For Preliminary Review Only: Addition of test conditions for input test and temperature-pressure test

13. For Preliminary Review Only: Addition of strain relief test

14. For Preliminary Review Only: Clarification of requirement for cord connected equipment