protective grounding

protective grounding

[prə′tek·tiv ′grau̇nd·iŋ]
(electricity)
Grounding of the neutral conductor of a secondary power-distribution system, and of all metal enclosures for conductors, to protect persons from dangerous currents.
References in periodicals archive ?
Besides, such passports should include maps of placement of high-voltage substations' systems of protective grounding which play a key role to guarantee safety operation of personnel and equipment.
External protective grounding is required to provide a low ohm contact with the "ground" in most cases.
Within each enclosure, a series of ground studs are placed to provide adequate means for protective grounding.