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Standard 1951, Edition 2

Standard for Electric Plumbing Accessories

UL CSDS Proposal
Standard 1951, Edition 2 Edition Date: November 16, 2016
Summary of Topics b1951_2_20161116_sum.html

Subject 1951

Bulletin Dated: November 16, 2016

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Electric Plumbing Accessories, UL 1951, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Proposal to update requirements for capacitors

2. For Preliminary Review Only: Proposal to update requirements for Switch-Mode Power Supplies

3. For Preliminary Review Only: Proposal to update requirements for switches

4. For Preliminary Review Only: Proposal to allow the use of UL 840 to evaluate clearance and creepage distances

5. For Preliminary Review Only: Proposal to add specifications for Safety Critical Functions

6. For Preliminary Review Only: Proposal to revise requirements for electronic circuits

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