Summary of Topics b0489b_1_20150410_sum.htmlSubject 489B
Bulletin Dated: April 10, 2015
SUMMARY OF TOPICS
The following changes are being proposed:
1. The Proposed First Edition of the Standard for Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems, UL 489B