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Standard 2748, Edition 1

Standard for Arcing Fault Quenching Equipment

UL CSDS Proposal
Standard 2748, Edition 1 Edition Date: December 15, 2017
Summary of Topics b2748_1_20171215_sum.html

Subject 2748

Bulletin Dated: December 15, 2017

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Arcing Fault Quenching Equipment, UL 2748, are being proposed:

1. Clarification of Scope of UL 2748

2. Clarification of Test Requirements for Resettable Devices

3. Revision of Grounding Requirements for Transformers in Paragraph 9.1

4. CB Trip Output Circuits - Addition of Reference to IEEE C37.90 to new Paragraph 14.3

5. Addition of Reference to IEEE C37.90.1 to new Paragraph 14.4

6. Addition of Reference to IEEE C37.90.2 to new Paragraph 14.5

7. Addition of Reference to IEEE C37.90.3 to new Paragraph 14.6

8. Clarification of Insulating Material Requirements for Medium Voltage Parts

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