Translations:Ground fault protection device/6/en
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This has the benefit of reducing the potential of a fire resulting from the ground fault, but also creates a new hazard. A grounded conductor, like the black DC wire in the diagram, will have a voltage of 0 V to ground - grounded conductors are generally safe to touch. An ungrounded conductor, like the red DC wire in the diagram, will have the voltage of the PV source relative to ground and is not safe to touch. The new hazard is created because of two things that happen when a GFPD activates during a ground fault:
