UL 1004 updates
Based upon the publication of UL 1004-8, the standard for Inverter Duty Motors, UL has established the corresponding Recognition category "Inverter Duty Motors (PRHJ2)". Learn more.
A copy of UL 1004-8 can be purchased at COMM 2000.
- March 2009 -- UL anounces Listing Service for motors installed in ordinary locations