This Standard is no longer for sale on the NEMA website. NEMA AB 1 is equivalent to the current edition of UL 489.
To purchase this Standard, click here or contact IHS at 800-854-7179 or 303-397-7956 (outside the U.S.)
This Standard is no longer for sale on the NEMA website. NEMA AB 1 is equivalent to the current edition of UL 489.
To purchase this Standard, click here or contact IHS at 800-854-7179 or 303-397-7956 (outside the U.S.)