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Status: EquivalentNEMA AB 1 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.)
