System Grounding
This type of system is known as a pulsing ground detection system and is very effective in locating ground current trips but is generally more expensive than the ungrounded system ground current trip
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Repeated Grounding Distribution
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Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). Attach a second grounding wire from the mounting plate (B), to the factory
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Repeated grounding means that the grounding flat steel (concealed installation) or galvanized screw (surface installation) on the enclosure of the distribution box is connected to the grounding grid.
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The first concern and the most important reason for proper grounding techniques are to protect people from the effects of ground-faults and lightning. Creating an effective ground-fault current path to