An isolated ground receptacle (IGR) can reduce electrical noise, but if installed incorrectly, it can create a dangerous installation. This receptacle differs in construction from its self-grounding ...

As noted in Sec. 406.3(D)(2), isolated ground receptacles installed in nonmetallic boxes shall be covered with a nonmetallic faceplate or (by Exception) a metal faceplate if the box contains a feature ...

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With the analog cutoff deadline looming, broadcasters are putting the finishing touches on new digital transmitter and translator installations. What better time to review grounding systems to protect ...