Leviton SmarTest GFCI

How often do you test your GFCI?  My what!?  Yeah, that’s the problem…. and why UL changed things. Starting June 29, 2015 Underwriters Laboratories (UL) has announced a revision to standard UL 943. This revision requires that all UL certified Class A residential and commercial grade box-mounted GFCI have: a) An auto-monitoring function that will allow …

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