UL-991 › Complete Document History
Standard for Tests for Safety-Related Controls Employing Solid-State Devices
Complete Current Edition: |
3RD EDITION - TESTS FOR SAFETY-RELATED CONTR - Oct. 22, 2004
CHANGE 04/08 - REVISION CHANGE - CODE A - April 2, 2008 CHANGE 06/10 - REVISION CHANGE - CODE A - June 9, 2010 |
Obsolete Revision Information: |
1989 EDITION - TESTS FOR SAFETY-RELATED CONTR - Jan. 27, 1989
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