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 ...

All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as 120/240V, 120/208V, ...

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AN estimated 58 people lose their life each week as a result of electric shock. In an electrical system, the grounding system is the primary protection against electrical shock hazards. It provides a ...

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 ...