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NEMA and UL Announce Revisions to UL 943 GFCI Standard
2015-02-05 20:18:00| Electrical Construction & Maintenance
NEMA and UL have announced changes to the UL Standard 943 Standard for Safety for GFCIs (Tri-national harmonized UL 943/CSA C22.2 No. 144.1/ANCE NMX-J-520) that will take effect on June 29, 2015. read more
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Category:Construction and Maintenance
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