UL-320A-BULLETINS-2006.pdf
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1、FOR INTERNAL UL OR CSDS USE ONLY NOT FOR OUTSIDE DISTRIBUTION Subject 320A (60320-1) June 28, 2006 SUMMARY OF TOPICS The following changes in requirements are being proposed: For Preliminary Review Only - Revision of Table 6DV in proposed draft of First Edition of UL 60320-1 based on recommendations
2、 of CANENA THSC 23BC-9 COMMENTS DUE: July 28, 2006 These proposals are for review and comment only (no ballot at this time). Comments received during this preliminary review period may not be provided with a response. After comments are considered by the submitter of the proposal, further action wil
3、l be determined relative to whether or not the proposal will be modifi ed and advanced to the next step. For your convenience in review, proposed additions to existing requirements are shown underlined and proposed deletions are shown lined-out. 1. For Preliminary Review Only - Revision of Table 6DV
4、 in proposed draft of First Edition of UL 60320-1 based on recommendations of CANENA THSC 23BC-9 BACKGROUND The proposed fi rst edition of UL 60320-1 was put up for balloting in the Spring of 2005. The proposal did not achieve consensus. Subsequently, the comments that were received by UL were forwa
5、rded to the THSC to develop suitable comment responses and to determine what, if any, changes should be made to the draft of UL 60320-1 prior to a second attempt at achieving consensus. UL notifi ed the STP on May 11, 2005 that it was withdrawing the original proposal (as opposed to recirculating an
6、y changes to the existing draft). This was largely based on the extensive nature of the comments received and the difficulty in resolving them. UL is, however, immediately starting the process of resolving the existing issues and to fi nding out what specifi c changes the STP will support. This Prel
7、iminary Review document is, in fact, the fi rst step in that developmental process. RATIONALE The THSC has made several recommendations for revising the original draft of UL 60320-1. By far the most signifi cant and most recent recommendation is the decision to suggest revising Table 6DV to change a
8、 number of the current ratings applicable to the confi gurations for North American products increasing them to a higher ampere value. The modifi ed Table 6DV would essentially increase the ampere rating of many of the established confi gurations and associated ampere ratings currently identifi ed I
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